Imported Upstream version 1.0.1

cmd/api.go

@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdAPI() *commander.Command {
+	return &commander.Command{
+		UsageLine: "api",
+		Short:     "start API server/issue requests",
+		Subcommands: []*commander.Command{
+			makeCmdAPIServe(),
+		},
+	}
+}

cmd/api_serve.go

@@ -0,0 +1,106 @@
+package cmd
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"net/url"
+	"os"
+
+	"github.com/smira/aptly/api"
+	"github.com/smira/aptly/systemd/activation"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyAPIServe(cmd *commander.Command, args []string) error {
+	var (
+		err error
+	)
+
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	// There are only two working options for aptly's rootDir:
+	//   1. rootDir does not exist, then we'll create it
+	//   2. rootDir exists and is writable
+	// anything else must fail.
+	// E.g.: Running the service under a different user may lead to a rootDir
+	// that exists but is not usable due to access permissions.
+	err = utils.DirIsAccessible(context.Config().RootDir)
+	if err != nil {
+		return err
+	}
+
+	// Try to recycle systemd fds for listening
+	listeners, err := activation.Listeners(true)
+	if len(listeners) > 1 {
+		panic("Got more than 1 listener from systemd. This is currently not supported!")
+	}
+	if err == nil && len(listeners) == 1 {
+		listener := listeners[0]
+		defer listener.Close()
+		fmt.Printf("\nTaking over web server at: %s (press Ctrl+C to quit)...\n", listener.Addr().String())
+		err = http.Serve(listener, api.Router(context))
+		if err != nil {
+			return fmt.Errorf("unable to serve: %s", err)
+		}
+		return nil
+	}
+
+	// If there are none: use the listen argument.
+	listen := context.Flags().Lookup("listen").Value.String()
+	fmt.Printf("\nStarting web server at: %s (press Ctrl+C to quit)...\n", listen)
+
+	listenURL, err := url.Parse(listen)
+	if err == nil && listenURL.Scheme == "unix" {
+		file := listenURL.Path
+		os.Remove(file)
+		listener, err := net.Listen("unix", file)
+		if err != nil {
+			return fmt.Errorf("failed to listen on: %s\n%s", file, err)
+		}
+		defer listener.Close()
+		err = http.Serve(listener, api.Router(context))
+		if err != nil {
+			return fmt.Errorf("unable to serve: %s", err)
+		}
+		return nil
+	}
+
+	err = http.ListenAndServe(listen, api.Router(context))
+	if err != nil {
+		return fmt.Errorf("unable to serve: %s", err)
+	}
+
+	return err
+}
+
+func makeCmdAPIServe() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyAPIServe,
+		UsageLine: "serve",
+		Short:     "start API HTTP service",
+		Long: `
+Start HTTP server with aptly REST API. The server can listen to either a port
+or Unix domain socket. When using a socket, Aptly will fully manage the socket
+file. This command also supports taking over from a systemd file descriptors to
+enable systemd socket activation.
+
+Example:
+
+  $ aptly api serve -listen=:8080
+  $ aptly api serve -listen=unix:///tmp/aptly.sock
+`,
+		Flag: *flag.NewFlagSet("aptly-serve", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("listen", ":8080", "host:port for HTTP listening or unix://path to listen on a Unix domain socket")
+	cmd.Flag.Bool("no-lock", false, "don't lock the database")
+
+	return cmd
+
+}

cmd/cmd.go

@@ -0,0 +1,126 @@
+// Package cmd implements console commands
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"text/template"
+	"time"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+// ListPackagesRefList shows list of packages in PackageRefList
+func ListPackagesRefList(reflist *deb.PackageRefList) (err error) {
+	fmt.Printf("Packages:\n")
+
+	if reflist == nil {
+		return
+	}
+
+	err = reflist.ForEach(func(key []byte) error {
+		p, err2 := context.CollectionFactory().PackageCollection().ByKey(key)
+		if err2 != nil {
+			return err2
+		}
+		fmt.Printf("  %s\n", p)
+		return nil
+	})
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	return
+}
+
+// PrintPackageList shows package list with specified format or default representation
+func PrintPackageList(result *deb.PackageList, format string) error {
+	if format == "" {
+		return result.ForEach(func(p *deb.Package) error {
+			context.Progress().Printf("%s\n", p)
+			return nil
+		})
+	}
+
+	formatTemplate, err := template.New("format").Parse(format)
+	if err != nil {
+		return fmt.Errorf("error parsing -format template: %s", err)
+	}
+
+	return result.ForEach(func(p *deb.Package) error {
+		b := &bytes.Buffer{}
+		err = formatTemplate.Execute(b, p.ExtendedStanza())
+		if err != nil {
+			return fmt.Errorf("error applying template: %s", err)
+		}
+		context.Progress().Printf("%s\n", b.String())
+		return nil
+	})
+
+}
+
+// LookupOption checks boolean flag with default (usually config) and command-line
+// setting
+func LookupOption(defaultValue bool, flags *flag.FlagSet, name string) (result bool) {
+	result = defaultValue
+
+	if flags.IsSet(name) {
+		result = flags.Lookup(name).Value.Get().(bool)
+	}
+
+	return
+}
+
+// RootCommand creates root command in command tree
+func RootCommand() *commander.Command {
+	cmd := &commander.Command{
+		UsageLine: os.Args[0],
+		Short:     "Debian repository management tool",
+		Long: `
+aptly is a tool to create partial and full mirrors of remote
+repositories, manage local repositories, filter them, merge,
+upgrade individual packages, take snapshots and publish them
+back as Debian repositories.
+
+aptly's goal is to establish repeatability and controlled changes
+in a package-centric environment. aptly allows one to fix a set of packages
+in a repository, so that package installation and upgrade becomes
+deterministic. At the same time aptly allows one to perform controlled,
+fine-grained changes in repository contents to transition your
+package environment to new version.`,
+		Flag: *flag.NewFlagSet("aptly", flag.ExitOnError),
+		Subcommands: []*commander.Command{
+			makeCmdConfig(),
+			makeCmdDb(),
+			makeCmdGraph(),
+			makeCmdMirror(),
+			makeCmdRepo(),
+			makeCmdServe(),
+			makeCmdSnapshot(),
+			makeCmdTask(),
+			makeCmdPublish(),
+			makeCmdVersion(),
+			makeCmdPackage(),
+			makeCmdAPI(),
+		},
+	}
+
+	cmd.Flag.Bool("dep-follow-suggests", false, "when processing dependencies, follow Suggests")
+	cmd.Flag.Bool("dep-follow-source", false, "when processing dependencies, follow from binary to Source packages")
+	cmd.Flag.Bool("dep-follow-recommends", false, "when processing dependencies, follow Recommends")
+	cmd.Flag.Bool("dep-follow-all-variants", false, "when processing dependencies, follow a & b if dependency is 'a|b'")
+	cmd.Flag.String("architectures", "", "list of architectures to consider during (comma-separated), default to all available")
+	cmd.Flag.String("config", "", "location of configuration file (default locations are /etc/aptly.conf, ~/.aptly.conf)")
+
+	if aptly.EnableDebug {
+		cmd.Flag.String("cpuprofile", "", "write cpu profile to file")
+		cmd.Flag.String("memprofile", "", "write memory profile to this file")
+		cmd.Flag.String("memstats", "", "write memory stats periodically to this file")
+		cmd.Flag.Duration("meminterval", 100*time.Millisecond, "memory stats dump interval")
+	}
+	return cmd
+}

cmd/config.go

@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdConfig() *commander.Command {
+	return &commander.Command{
+		UsageLine: "config",
+		Short:     "manage aptly configuration",
+		Subcommands: []*commander.Command{
+			makeCmdConfigShow(),
+		},
+	}
+}

cmd/config_show.go

@@ -0,0 +1,39 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/smira/commander"
+)
+
+func aptlyConfigShow(cmd *commander.Command, args []string) error {
+
+	config := context.Config()
+	prettyJSON, err := json.MarshalIndent(config, "", "    ")
+
+	if err != nil {
+		return fmt.Errorf("unable to dump the config file: %s", err)
+	}
+
+	fmt.Println(string(prettyJSON))
+
+	return nil
+}
+
+func makeCmdConfigShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyConfigShow,
+		UsageLine: "show",
+		Short:     "show current aptly's config",
+		Long: `
+Command show displays the current aptly configuration.
+
+Example:
+
+  $ aptly config show
+
+`,
+	}
+	return cmd
+}

cmd/context.go

@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	ctx "github.com/smira/aptly/context"
+	"github.com/smira/flag"
+)
+
+var context *ctx.AptlyContext
+
+// ShutdownContext shuts context down
+func ShutdownContext() {
+	context.Shutdown()
+}
+
+// CleanupContext does partial shutdown of context
+func CleanupContext() {
+	context.Cleanup()
+}
+
+// InitContext initializes context with default settings
+func InitContext(flags *flag.FlagSet) error {
+	var err error
+
+	if context != nil {
+		panic("context already initialized")
+	}
+
+	context, err = ctx.NewContext(flags)
+
+	return err
+}

cmd/db.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdDb() *commander.Command {
+	return &commander.Command{
+		UsageLine: "db",
+		Short:     "manage aptly's internal database and package pool",
+		Subcommands: []*commander.Command{
+			makeCmdDbCleanup(),
+			makeCmdDbRecover(),
+		},
+	}
+}

cmd/db_cleanup.go

@@ -0,0 +1,301 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+)
+
+// aptly db cleanup
+func aptlyDbCleanup(cmd *commander.Command, args []string) error {
+	var err error
+
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	verbose := context.Flags().Lookup("verbose").Value.Get().(bool)
+	dryRun := context.Flags().Lookup("dry-run").Value.Get().(bool)
+
+	// collect information about references packages...
+	existingPackageRefs := deb.NewPackageRefList()
+
+	// used only in verbose mode to report package use source
+	packageRefSources := map[string][]string{}
+
+	context.Progress().ColoredPrintf("@{w!}Loading mirrors, local repos, snapshots and published repos...@|")
+	if verbose {
+		context.Progress().ColoredPrintf("@{y}Loading mirrors:@|")
+	}
+	err = context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error {
+		if verbose {
+			context.Progress().ColoredPrintf("- @{g}%s@|", repo.Name)
+		}
+
+		err := context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+		if repo.RefList() != nil {
+			existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false, true)
+
+			if verbose {
+				description := fmt.Sprintf("mirror %s", repo.Name)
+				repo.RefList().ForEach(func(key []byte) error {
+					packageRefSources[string(key)] = append(packageRefSources[string(key)], description)
+					return nil
+				})
+			}
+		}
+
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	if verbose {
+		context.Progress().ColoredPrintf("@{y}Loading local repos:@|")
+	}
+	err = context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error {
+		if verbose {
+			context.Progress().ColoredPrintf("- @{g}%s@|", repo.Name)
+		}
+
+		err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+
+		if repo.RefList() != nil {
+			existingPackageRefs = existingPackageRefs.Merge(repo.RefList(), false, true)
+
+			if verbose {
+				description := fmt.Sprintf("local repo %s", repo.Name)
+				repo.RefList().ForEach(func(key []byte) error {
+					packageRefSources[string(key)] = append(packageRefSources[string(key)], description)
+					return nil
+				})
+			}
+		}
+
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	if verbose {
+		context.Progress().ColoredPrintf("@{y}Loading snapshots:@|")
+	}
+	err = context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error {
+		if verbose {
+			context.Progress().ColoredPrintf("- @{g}%s@|", snapshot.Name)
+		}
+
+		err := context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return err
+		}
+
+		existingPackageRefs = existingPackageRefs.Merge(snapshot.RefList(), false, true)
+
+		if verbose {
+			description := fmt.Sprintf("snapshot %s", snapshot.Name)
+			snapshot.RefList().ForEach(func(key []byte) error {
+				packageRefSources[string(key)] = append(packageRefSources[string(key)], description)
+				return nil
+			})
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	if verbose {
+		context.Progress().ColoredPrintf("@{y}Loading published repositories:@|")
+	}
+	err = context.CollectionFactory().PublishedRepoCollection().ForEach(func(published *deb.PublishedRepo) error {
+		if verbose {
+			context.Progress().ColoredPrintf("- @{g}%s:%s/%s{|}", published.Storage, published.Prefix, published.Distribution)
+		}
+		if published.SourceKind != "local" {
+			return nil
+		}
+		err := context.CollectionFactory().PublishedRepoCollection().LoadComplete(published, context.CollectionFactory())
+		if err != nil {
+			return err
+		}
+
+		for _, component := range published.Components() {
+			existingPackageRefs = existingPackageRefs.Merge(published.RefList(component), false, true)
+			if verbose {
+				description := fmt.Sprintf("published repository %s:%s/%s component %s",
+					published.Storage, published.Prefix, published.Distribution, component)
+				published.RefList(component).ForEach(func(key []byte) error {
+					packageRefSources[string(key)] = append(packageRefSources[string(key)], description)
+					return nil
+				})
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	// ... and compare it to the list of all packages
+	context.Progress().ColoredPrintf("@{w!}Loading list of all packages...@|")
+	allPackageRefs := context.CollectionFactory().PackageCollection().AllPackageRefs()
+
+	toDelete := allPackageRefs.Subtract(existingPackageRefs)
+
+	// delete packages that are no longer referenced
+	context.Progress().ColoredPrintf("@{r!}Deleting unreferenced packages (%d)...@|", toDelete.Len())
+
+	// database can't err as collection factory already constructed
+	db, _ := context.Database()
+
+	if toDelete.Len() > 0 {
+		if verbose {
+			context.Progress().ColoredPrintf("@{r}List of package keys to delete:@|")
+			err = toDelete.ForEach(func(ref []byte) error {
+				context.Progress().ColoredPrintf(" - @{r}%s@|", string(ref))
+				return nil
+			})
+			if err != nil {
+				return err
+			}
+		}
+
+		if !dryRun {
+			db.StartBatch()
+			err = toDelete.ForEach(func(ref []byte) error {
+				return context.CollectionFactory().PackageCollection().DeleteByKey(ref)
+			})
+			if err != nil {
+				return err
+			}
+
+			err = db.FinishBatch()
+			if err != nil {
+				return fmt.Errorf("unable to write to DB: %s", err)
+			}
+		} else {
+			context.Progress().ColoredPrintf("@{y!}Skipped deletion, as -dry-run has been requested.@|")
+		}
+	}
+
+	// now, build a list of files that should be present in Repository (package pool)
+	context.Progress().ColoredPrintf("@{w!}Building list of files referenced by packages...@|")
+	referencedFiles := make([]string, 0, existingPackageRefs.Len())
+	context.Progress().InitBar(int64(existingPackageRefs.Len()), false)
+
+	err = existingPackageRefs.ForEach(func(key []byte) error {
+		pkg, err2 := context.CollectionFactory().PackageCollection().ByKey(key)
+		if err2 != nil {
+			tail := ""
+			if verbose {
+				tail = fmt.Sprintf(" (sources: %s)", strings.Join(packageRefSources[string(key)], ", "))
+			}
+			if dryRun {
+				context.Progress().ColoredPrintf("@{r!}Unresolvable package reference, skipping (-dry-run): %s: %s%s",
+					string(key), err2, tail)
+				return nil
+			}
+			return fmt.Errorf("unable to load package %s: %s%s", string(key), err2, tail)
+		}
+		paths, err2 := pkg.FilepathList(context.PackagePool())
+		if err2 != nil {
+			return err2
+		}
+		referencedFiles = append(referencedFiles, paths...)
+		context.Progress().AddBar(1)
+
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	sort.Strings(referencedFiles)
+	context.Progress().ShutdownBar()
+
+	// build a list of files in the package pool
+	context.Progress().ColoredPrintf("@{w!}Building list of files in package pool...@|")
+	existingFiles, err := context.PackagePool().FilepathList(context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to collect file paths: %s", err)
+	}
+
+	// find files which are in the pool but not referenced by packages
+	filesToDelete := utils.StrSlicesSubstract(existingFiles, referencedFiles)
+
+	// delete files that are no longer referenced
+	context.Progress().ColoredPrintf("@{r!}Deleting unreferenced files (%d)...@|", len(filesToDelete))
+
+	if len(filesToDelete) > 0 {
+		if verbose {
+			context.Progress().ColoredPrintf("@{r}List of files to be deleted:@|")
+			for _, file := range filesToDelete {
+				context.Progress().ColoredPrintf(" - @{r}%s@|", file)
+			}
+		}
+
+		if !dryRun {
+			context.Progress().InitBar(int64(len(filesToDelete)), false)
+
+			var size, totalSize int64
+			for _, file := range filesToDelete {
+				size, err = context.PackagePool().Remove(file)
+				if err != nil {
+					return err
+				}
+
+				context.Progress().AddBar(1)
+				totalSize += size
+			}
+			context.Progress().ShutdownBar()
+
+			context.Progress().ColoredPrintf("@{w!}Disk space freed: %s...@|", utils.HumanBytes(totalSize))
+		} else {
+			context.Progress().ColoredPrintf("@{y!}Skipped file deletion, as -dry-run has been requested.@|")
+		}
+	}
+
+	if !dryRun {
+		context.Progress().ColoredPrintf("@{w!}Compacting database...@|")
+		err = db.CompactDB()
+	} else {
+		context.Progress().ColoredPrintf("@{y!}Skipped DB compaction, as -dry-run has been requested.@|")
+	}
+
+	return err
+}
+
+func makeCmdDbCleanup() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyDbCleanup,
+		UsageLine: "cleanup",
+		Short:     "cleanup DB and package pool",
+		Long: `
+Database cleanup removes information about unreferenced packages and removes
+files in the package pool that aren't used by packages anymore
+
+Example:
+
+  $ aptly db cleanup
+`,
+	}
+
+	cmd.Flag.Bool("verbose", false, "be verbose when loading objects/removing them")
+	cmd.Flag.Bool("dry-run", false, "don't delete anything")
+
+	return cmd
+}

cmd/db_recover.go

@@ -0,0 +1,39 @@
+package cmd
+
+import (
+	"github.com/smira/aptly/database"
+	"github.com/smira/commander"
+)
+
+// aptly db recover
+func aptlyDbRecover(cmd *commander.Command, args []string) error {
+	var err error
+
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	context.Progress().Printf("Recovering database...\n")
+	err = database.RecoverDB(context.DBPath())
+
+	return err
+}
+
+func makeCmdDbRecover() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyDbRecover,
+		UsageLine: "recover",
+		Short:     "recover DB after crash",
+		Long: `
+Database recover does its' best to recover the database after a crash.
+It is recommended to backup the DB before running recover.
+
+Example:
+
+  $ aptly db recover
+`,
+	}
+
+	return cmd
+}

cmd/graph.go

@@ -0,0 +1,149 @@
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+)
+
+func aptlyGraph(cmd *commander.Command, args []string) error {
+	var err error
+
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	layout := context.Flags().Lookup("layout").Value.String()
+
+	fmt.Printf("Generating graph...\n")
+	graph, err := deb.BuildGraph(context.CollectionFactory(), layout)
+
+	if err != nil {
+		return err
+	}
+
+	buf := bytes.NewBufferString(graph.String())
+
+	tempfile, err := ioutil.TempFile("", "aptly-graph")
+	if err != nil {
+		return err
+	}
+	tempfile.Close()
+	os.Remove(tempfile.Name())
+
+	format := context.Flags().Lookup("format").Value.String()
+	output := context.Flags().Lookup("output").Value.String()
+
+	if filepath.Ext(output) != "" {
+		format = filepath.Ext(output)[1:]
+	}
+
+	tempfilename := tempfile.Name() + "." + format
+
+	command := exec.Command("dot", "-T"+format, "-o"+tempfilename)
+	command.Stderr = os.Stderr
+
+	stdin, err := command.StdinPipe()
+	if err != nil {
+		return err
+	}
+
+	err = command.Start()
+	if err != nil {
+		return fmt.Errorf("unable to execute dot: %s (is graphviz package installed?)", err)
+	}
+
+	_, err = io.Copy(stdin, buf)
+	if err != nil {
+		return err
+	}
+
+	err = stdin.Close()
+	if err != nil {
+		return err
+	}
+
+	err = command.Wait()
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		_ = os.Remove(tempfilename)
+	}()
+
+	if output != "" {
+		err = utils.CopyFile(tempfilename, output)
+		if err != nil {
+			return fmt.Errorf("unable to copy %s -> %s: %s", tempfilename, output, err)
+		}
+
+		fmt.Printf("Output saved to %s\n", output)
+	} else {
+		command := getOpenCommand()
+		fmt.Printf("Rendered to %s file: %s, trying to open it with: %s %s...\n", format, tempfilename, command, tempfilename)
+
+		args := strings.Split(command, " ")
+
+		viewer := exec.Command(args[0], append(args[1:], tempfilename)...)
+		viewer.Stderr = os.Stderr
+		if err = viewer.Start(); err == nil {
+			// Wait for a second so that the visualizer has a chance to
+			// open the input file. This needs to be done even if we're
+			// waiting for the visualizer as it can be just a wrapper that
+			// spawns a browser tab and returns right away.
+			defer func(t <-chan time.Time) {
+				<-t
+			}(time.After(time.Second))
+		}
+	}
+
+	return err
+}
+
+// getOpenCommand tries to guess command to open image for OS
+func getOpenCommand() string {
+	switch runtime.GOOS {
+	case "darwin":
+		return "/usr/bin/open"
+	case "windows":
+		return "cmd /c start"
+	default:
+		return "xdg-open"
+	}
+}
+
+func makeCmdGraph() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyGraph,
+		UsageLine: "graph",
+		Short:     "render graph of relationships",
+		Long: `
+Command graph displays relationship between mirrors, local repositories,
+snapshots and published repositories using graphviz package to render
+graph as an image.
+
+Example:
+
+  $ aptly graph
+`,
+	}
+
+	cmd.Flag.String("format", "png", "render graph to specified format (png, svg, pdf, etc.)")
+	cmd.Flag.String("output", "", "specify output filename, default is to open result in viewer")
+	cmd.Flag.String("layout", "horizontal", "create a more 'vertical' or a more 'horizontal' graph layout")
+
+	return cmd
+}

cmd/mirror.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"strings"
+
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func getVerifier(flags *flag.FlagSet) (utils.Verifier, error) {
+	if LookupOption(context.Config().GpgDisableVerify, flags, "ignore-signatures") {
+		return nil, nil
+	}
+
+	keyRings := flags.Lookup("keyring").Value.Get().([]string)
+
+	verifier := &utils.GpgVerifier{}
+	for _, keyRing := range keyRings {
+		verifier.AddKeyring(keyRing)
+	}
+
+	err := verifier.InitKeyring()
+	if err != nil {
+		return nil, err
+	}
+
+	return verifier, nil
+}
+
+type keyRingsFlag struct {
+	keyRings []string
+}
+
+func (k *keyRingsFlag) Set(value string) error {
+	k.keyRings = append(k.keyRings, value)
+	return nil
+}
+
+func (k *keyRingsFlag) Get() interface{} {
+	return k.keyRings
+}
+
+func (k *keyRingsFlag) String() string {
+	return strings.Join(k.keyRings, ",")
+}
+
+func makeCmdMirror() *commander.Command {
+	return &commander.Command{
+		UsageLine: "mirror",
+		Short:     "manage mirrors of remote repositories",
+		Subcommands: []*commander.Command{
+			makeCmdMirrorCreate(),
+			makeCmdMirrorList(),
+			makeCmdMirrorShow(),
+			makeCmdMirrorDrop(),
+			makeCmdMirrorUpdate(),
+			makeCmdMirrorRename(),
+			makeCmdMirrorEdit(),
+			makeCmdMirrorSearch(),
+		},
+	}
+}

cmd/mirror_create.go

@@ -0,0 +1,106 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyMirrorCreate(cmd *commander.Command, args []string) error {
+	var err error
+	if !(len(args) == 2 && strings.HasPrefix(args[1], "ppa:") || len(args) >= 3) {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	downloadSources := LookupOption(context.Config().DownloadSourcePackages, context.Flags(), "with-sources")
+	downloadUdebs := context.Flags().Lookup("with-udebs").Value.Get().(bool)
+
+	var (
+		mirrorName, archiveURL, distribution string
+		components                           []string
+	)
+
+	mirrorName = args[0]
+	if len(args) == 2 {
+		archiveURL, distribution, components, err = deb.ParsePPA(args[1], context.Config())
+		if err != nil {
+			return err
+		}
+	} else {
+		archiveURL, distribution, components = args[1], args[2], args[3:]
+	}
+
+	repo, err := deb.NewRemoteRepo(mirrorName, archiveURL, distribution, components, context.ArchitecturesList(),
+		downloadSources, downloadUdebs)
+	if err != nil {
+		return fmt.Errorf("unable to create mirror: %s", err)
+	}
+
+	repo.Filter = context.Flags().Lookup("filter").Value.String()
+	repo.FilterWithDeps = context.Flags().Lookup("filter-with-deps").Value.Get().(bool)
+	repo.SkipComponentCheck = context.Flags().Lookup("force-components").Value.Get().(bool)
+	repo.SkipArchitectureCheck = context.Flags().Lookup("force-architectures").Value.Get().(bool)
+
+	if repo.Filter != "" {
+		_, err = query.Parse(repo.Filter)
+		if err != nil {
+			return fmt.Errorf("unable to create mirror: %s", err)
+		}
+	}
+
+	verifier, err := getVerifier(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG verifier: %s", err)
+	}
+
+	err = repo.Fetch(context.Downloader(), verifier)
+	if err != nil {
+		return fmt.Errorf("unable to fetch mirror: %s", err)
+	}
+
+	err = context.CollectionFactory().RemoteRepoCollection().Add(repo)
+	if err != nil {
+		return fmt.Errorf("unable to add mirror: %s", err)
+	}
+
+	fmt.Printf("\nMirror %s successfully added.\nYou can run 'aptly mirror update %s' to download repository contents.\n", repo, repo.Name)
+	return err
+}
+
+func makeCmdMirrorCreate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorCreate,
+		UsageLine: "create <name> <archive url> <distribution> [<component1> ...]",
+		Short:     "create new mirror",
+		Long: `
+Creates mirror <name> of remote repository, aptly supports both regular and flat Debian repositories exported
+via HTTP and FTP. aptly would try download Release file from remote repository and verify its' signature. Command
+line format resembles apt utlitily sources.list(5).
+
+PPA urls could specified in short format:
+
+  $ aptly mirror create <name> ppa:<user>/<project>
+
+Example:
+
+  $ aptly mirror create wheezy-main http://mirror.yandex.ru/debian/ wheezy main
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-create", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("ignore-signatures", false, "disable verification of Release file signatures")
+	cmd.Flag.Bool("with-sources", false, "download source packages in addition to binary packages")
+	cmd.Flag.Bool("with-udebs", false, "download .udeb packages (Debian installer support)")
+	cmd.Flag.String("filter", "", "filter packages in mirror")
+	cmd.Flag.Bool("filter-with-deps", false, "when filtering, include dependencies of matching packages as well")
+	cmd.Flag.Bool("force-components", false, "(only with component list) skip check that requested components are listed in Release file")
+	cmd.Flag.Bool("force-architectures", false, "(only with architecture list) skip check that requested architectures are listed in Release file")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "gpg keyring to use when verifying Release file (could be specified multiple times)")
+
+	return cmd
+}

cmd/mirror_drop.go

@@ -0,0 +1,73 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyMirrorDrop(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().RemoteRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	err = repo.CheckLock()
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	force := context.Flags().Lookup("force").Value.Get().(bool)
+	if !force {
+		snapshots := context.CollectionFactory().SnapshotCollection().ByRemoteRepoSource(repo)
+
+		if len(snapshots) > 0 {
+			fmt.Printf("Mirror `%s` was used to create following snapshots:\n", repo.Name)
+			for _, snapshot := range snapshots {
+				fmt.Printf(" * %s\n", snapshot)
+			}
+
+			return fmt.Errorf("won't delete mirror with snapshots, use -force to override")
+		}
+	}
+
+	err = context.CollectionFactory().RemoteRepoCollection().Drop(repo)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	fmt.Printf("Mirror `%s` has been removed.\n", repo.Name)
+
+	return err
+}
+
+func makeCmdMirrorDrop() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorDrop,
+		UsageLine: "drop <name>",
+		Short:     "delete mirror",
+		Long: `
+Drop deletes information about remote repository mirror <name>. Package data is not deleted
+(since it could still be used by other mirrors or snapshots).  If mirror is used as source
+to create a snapshot, aptly would refuse to delete such mirror, use flag -force to override.
+
+Example:
+
+  $ aptly mirror drop wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-drop", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("force", false, "force mirror deletion even if used by snapshots")
+
+	return cmd
+}

cmd/mirror_edit.go

@@ -0,0 +1,92 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyMirrorEdit(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	repo, err := context.CollectionFactory().RemoteRepoCollection().ByName(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	err = repo.CheckLock()
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	context.Flags().Visit(func(flag *flag.Flag) {
+		switch flag.Name {
+		case "filter":
+			repo.Filter = flag.Value.String()
+		case "filter-with-deps":
+			repo.FilterWithDeps = flag.Value.Get().(bool)
+		case "with-sources":
+			repo.DownloadSources = flag.Value.Get().(bool)
+		case "with-udebs":
+			repo.DownloadUdebs = flag.Value.Get().(bool)
+		}
+	})
+
+	if repo.IsFlat() && repo.DownloadUdebs {
+		return fmt.Errorf("unable to edit: flat mirrors don't support udebs")
+	}
+
+	if repo.Filter != "" {
+		_, err = query.Parse(repo.Filter)
+		if err != nil {
+			return fmt.Errorf("unable to edit: %s", err)
+		}
+	}
+
+	if context.GlobalFlags().Lookup("architectures").Value.String() != "" {
+		repo.Architectures = context.ArchitecturesList()
+
+		err = repo.Fetch(context.Downloader(), nil)
+		if err != nil {
+			return fmt.Errorf("unable to edit: %s", err)
+		}
+	}
+
+	err = context.CollectionFactory().RemoteRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	fmt.Printf("Mirror %s successfully updated.\n", repo)
+	return err
+}
+
+func makeCmdMirrorEdit() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorEdit,
+		UsageLine: "edit <name>",
+		Short:     "edit mirror settings",
+		Long: `
+Command edit allows one to change settings of mirror:
+filters, list of architectures.
+
+Example:
+
+  $ aptly mirror edit -filter=nginx -filter-with-deps some-mirror
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-edit", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("filter", "", "filter packages in mirror")
+	cmd.Flag.Bool("filter-with-deps", false, "when filtering, include dependencies of matching packages as well")
+	cmd.Flag.Bool("with-sources", false, "download source packages in addition to binary packages")
+	cmd.Flag.Bool("with-udebs", false, "download .udeb packages (Debian installer support)")
+
+	return cmd
+}

cmd/mirror_list.go

@@ -0,0 +1,72 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyMirrorList(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	raw := cmd.Flag.Lookup("raw").Value.Get().(bool)
+
+	repos := make([]string, context.CollectionFactory().RemoteRepoCollection().Len())
+	i := 0
+	context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error {
+		if raw {
+			repos[i] = repo.Name
+		} else {
+			repos[i] = repo.String()
+		}
+		i++
+		return nil
+	})
+
+	context.CloseDatabase()
+
+	sort.Strings(repos)
+
+	if raw {
+		for _, repo := range repos {
+			fmt.Printf("%s\n", repo)
+		}
+	} else {
+		if len(repos) > 0 {
+			fmt.Printf("List of mirrors:\n")
+			for _, repo := range repos {
+				fmt.Printf(" * %s\n", repo)
+			}
+
+			fmt.Printf("\nTo get more information about mirror, run `aptly mirror show <name>`.\n")
+		} else {
+			fmt.Printf("No mirrors found, create one with `aptly mirror create ...`.\n")
+		}
+	}
+	return err
+}
+
+func makeCmdMirrorList() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorList,
+		UsageLine: "list",
+		Short:     "list mirrors",
+		Long: `
+List shows full list of remote repository mirrors.
+
+Example:
+
+  $ aptly mirror list
+`,
+	}
+
+	cmd.Flag.Bool("raw", false, "display list in machine-readable format")
+
+	return cmd
+}

cmd/mirror_rename.go

@@ -0,0 +1,65 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyMirrorRename(cmd *commander.Command, args []string) error {
+	var (
+		err  error
+		repo *deb.RemoteRepo
+	)
+
+	if len(args) != 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	oldName, newName := args[0], args[1]
+
+	repo, err = context.CollectionFactory().RemoteRepoCollection().ByName(oldName)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	err = repo.CheckLock()
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	_, err = context.CollectionFactory().RemoteRepoCollection().ByName(newName)
+	if err == nil {
+		return fmt.Errorf("unable to rename: mirror %s already exists", newName)
+	}
+
+	repo.Name = newName
+	err = context.CollectionFactory().RemoteRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	fmt.Printf("\nMirror %s -> %s has been successfully renamed.\n", oldName, newName)
+
+	return err
+}
+
+func makeCmdMirrorRename() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorRename,
+		UsageLine: "rename <old-name> <new-name>",
+		Short:     "renames mirror",
+		Long: `
+Command changes name of the mirror.Mirror name should be unique.
+
+Example:
+
+  $ aptly mirror rename wheezy-min wheezy-main
+`,
+	}
+
+	return cmd
+
+}

cmd/mirror_search.go

@@ -0,0 +1,29 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func makeCmdMirrorSearch() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotMirrorRepoSearch,
+		UsageLine: "search <name> [<package-query>]",
+		Short:     "search mirror for packages matching query",
+		Long: `
+Command search displays list of packages in mirror that match package query
+
+If query is not specified, all the packages are displayed.
+
+Example:
+
+    $ aptly mirror search wheezy-main '$Architecture (i386), Name (% *-dev)'
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-deps", false, "include dependencies into search results")
+	cmd.Flag.String("format", "", "custom format for result printing")
+
+	return cmd
+}

cmd/mirror_show.go

@@ -0,0 +1,100 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyMirrorShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().RemoteRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	err = context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	fmt.Printf("Name: %s\n", repo.Name)
+	if repo.Status == deb.MirrorUpdating {
+		fmt.Printf("Status: In Update (PID %d)\n", repo.WorkerPID)
+	}
+	fmt.Printf("Archive Root URL: %s\n", repo.ArchiveRoot)
+	fmt.Printf("Distribution: %s\n", repo.Distribution)
+	fmt.Printf("Components: %s\n", strings.Join(repo.Components, ", "))
+	fmt.Printf("Architectures: %s\n", strings.Join(repo.Architectures, ", "))
+	downloadSources := "no"
+	if repo.DownloadSources {
+		downloadSources = "yes"
+	}
+	fmt.Printf("Download Sources: %s\n", downloadSources)
+	downloadUdebs := "no"
+	if repo.DownloadUdebs {
+		downloadUdebs = "yes"
+	}
+	fmt.Printf("Download .udebs: %s\n", downloadUdebs)
+	if repo.Filter != "" {
+		fmt.Printf("Filter: %s\n", repo.Filter)
+		filterWithDeps := "no"
+		if repo.FilterWithDeps {
+			filterWithDeps = "yes"
+		}
+		fmt.Printf("Filter With Deps: %s\n", filterWithDeps)
+	}
+	if repo.LastDownloadDate.IsZero() {
+		fmt.Printf("Last update: never\n")
+	} else {
+		fmt.Printf("Last update: %s\n", repo.LastDownloadDate.Format("2006-01-02 15:04:05 MST"))
+		fmt.Printf("Number of packages: %d\n", repo.NumPackages())
+	}
+
+	fmt.Printf("\nInformation from release file:\n")
+	for _, k := range utils.StrMapSortedKeys(repo.Meta) {
+		fmt.Printf("%s: %s\n", k, repo.Meta[k])
+	}
+
+	withPackages := context.Flags().Lookup("with-packages").Value.Get().(bool)
+	if withPackages {
+		if repo.LastDownloadDate.IsZero() {
+			fmt.Printf("Unable to show package list, mirror hasn't been downloaded yet.\n")
+		} else {
+			ListPackagesRefList(repo.RefList())
+		}
+	}
+
+	return err
+}
+
+func makeCmdMirrorShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorShow,
+		UsageLine: "show <name>",
+		Short:     "show details about mirror",
+		Long: `
+Shows detailed information about the mirror.
+
+Example:
+
+  $ aptly mirror show wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-packages", false, "show detailed list of packages and versions stored in the mirror")
+
+	return cmd
+}

cmd/mirror_update.go

@@ -0,0 +1,196 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyMirrorUpdate(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().RemoteRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	err = context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	force := context.Flags().Lookup("force").Value.Get().(bool)
+	if !force {
+		err = repo.CheckLock()
+		if err != nil {
+			return fmt.Errorf("unable to update: %s", err)
+		}
+	}
+
+	ignoreMismatch := context.Flags().Lookup("ignore-checksums").Value.Get().(bool)
+	maxTries := context.Flags().Lookup("max-tries").Value.Get().(int)
+
+	verifier, err := getVerifier(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG verifier: %s", err)
+	}
+
+	err = repo.Fetch(context.Downloader(), verifier)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	context.Progress().Printf("Downloading & parsing package files...\n")
+	err = repo.DownloadPackageIndexes(context.Progress(), context.Downloader(), context.CollectionFactory(), ignoreMismatch, maxTries)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	if repo.Filter != "" {
+		context.Progress().Printf("Applying filter...\n")
+		var filterQuery deb.PackageQuery
+
+		filterQuery, err = query.Parse(repo.Filter)
+		if err != nil {
+			return fmt.Errorf("unable to update: %s", err)
+		}
+
+		var oldLen, newLen int
+		oldLen, newLen, err = repo.ApplyFilter(context.DependencyOptions(), filterQuery)
+		if err != nil {
+			return fmt.Errorf("unable to update: %s", err)
+		}
+		context.Progress().Printf("Packages filtered: %d -> %d.\n", oldLen, newLen)
+	}
+
+	var (
+		downloadSize int64
+		queue        []deb.PackageDownloadTask
+	)
+
+	context.Progress().Printf("Building download queue...\n")
+	queue, downloadSize, err = repo.BuildDownloadQueue(context.PackagePool())
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	defer func() {
+		// on any interruption, unlock the mirror
+		err = context.ReOpenDatabase()
+		if err == nil {
+			repo.MarkAsIdle()
+			context.CollectionFactory().RemoteRepoCollection().Update(repo)
+		}
+	}()
+
+	repo.MarkAsUpdating()
+	err = context.CollectionFactory().RemoteRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	err = context.CloseDatabase()
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	// Catch ^C
+	sigch := make(chan os.Signal)
+	signal.Notify(sigch, os.Interrupt)
+
+	count := len(queue)
+	context.Progress().Printf("Download queue: %d items (%s)\n", count, utils.HumanBytes(downloadSize))
+
+	// Download from the queue
+	context.Progress().InitBar(downloadSize, true)
+
+	// Download all package files
+	ch := make(chan error, count)
+
+	// In separate goroutine (to avoid blocking main), push queue to downloader
+	go func() {
+		for _, task := range queue {
+			context.Downloader().DownloadWithChecksum(repo.PackageURL(task.RepoURI).String(), task.DestinationPath, ch, task.Checksums, ignoreMismatch, maxTries)
+		}
+
+		// We don't need queue after this point
+		queue = nil
+	}()
+
+	// Wait for all downloads to finish
+	var errors []string
+
+	for count > 0 {
+		select {
+		case <-sigch:
+			signal.Stop(sigch)
+			return fmt.Errorf("unable to update: interrupted")
+		case err = <-ch:
+			if err != nil {
+				errors = append(errors, err.Error())
+			}
+			count--
+		}
+	}
+
+	context.Progress().ShutdownBar()
+	signal.Stop(sigch)
+
+	if len(errors) > 0 {
+		return fmt.Errorf("unable to update: download errors:\n  %s", strings.Join(errors, "\n  "))
+	}
+
+	err = context.ReOpenDatabase()
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	repo.FinalizeDownload()
+	err = context.CollectionFactory().RemoteRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	context.Progress().Printf("\nMirror `%s` has been successfully updated.\n", repo.Name)
+	return err
+}
+
+func makeCmdMirrorUpdate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyMirrorUpdate,
+		UsageLine: "update <name>",
+		Short:     "update mirror",
+		Long: `
+Updates remote mirror (downloads package files and meta information). When mirror is created,
+this command should be run for the first time to fetch mirror contents. This command can be
+run multiple times to get updated repository contents. If interrupted, command can be safely restarted.
+
+Example:
+
+  $ aptly mirror update wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-mirror-update", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("force", false, "force update mirror even if it is locked by another process")
+	cmd.Flag.Bool("ignore-checksums", false, "ignore checksum mismatches while downloading package files and metadata")
+	cmd.Flag.Bool("ignore-signatures", false, "disable verification of Release file signatures")
+	cmd.Flag.Int64("download-limit", 0, "limit download speed (kbytes/sec)")
+	cmd.Flag.Int("max-tries", 1, "max download tries till process fails with download error")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "gpg keyring to use when verifying Release file (could be specified multiple times)")
+
+	return cmd
+}

cmd/package.go

@@ -0,0 +1,16 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdPackage() *commander.Command {
+	return &commander.Command{
+		UsageLine: "package",
+		Short:     "operations on packages",
+		Subcommands: []*commander.Command{
+			makeCmdPackageSearch(),
+			makeCmdPackageShow(),
+		},
+	}
+}

cmd/package_search.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyPackageSearch(cmd *commander.Command, args []string) error {
+	var (
+		err error
+		q   deb.PackageQuery
+	)
+
+	if len(args) > 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	if len(args) == 1 {
+		q, err = query.Parse(args[0])
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+	} else {
+		q = &deb.MatchAllQuery{}
+	}
+
+	result := q.Query(context.CollectionFactory().PackageCollection())
+	if result.Len() == 0 {
+		return fmt.Errorf("no results")
+	}
+
+	format := context.Flags().Lookup("format").Value.String()
+	PrintPackageList(result, format)
+
+	return err
+}
+
+func makeCmdPackageSearch() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPackageSearch,
+		UsageLine: "search [<package-query>]",
+		Short:     "search for packages matching query",
+		Long: `
+Command search displays list of packages in whole DB that match package query.
+
+If query is not specified, all the packages are displayed.
+
+Example:
+
+    $ aptly package search '$Architecture (i386), Name (% *-dev)'
+`,
+		Flag: *flag.NewFlagSet("aptly-package-search", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("format", "", "custom format for result printing")
+
+	return cmd
+}

cmd/package_show.go

@@ -0,0 +1,138 @@
+package cmd
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func printReferencesTo(p *deb.Package) (err error) {
+	err = context.CollectionFactory().RemoteRepoCollection().ForEach(func(repo *deb.RemoteRepo) error {
+		err := context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+		if repo.RefList() != nil {
+			if repo.RefList().Has(p) {
+				fmt.Printf("  mirror %s\n", repo)
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error {
+		err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return err
+		}
+		if repo.RefList() != nil {
+			if repo.RefList().Has(p) {
+				fmt.Printf("  local repo %s\n", repo)
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().ForEach(func(snapshot *deb.Snapshot) error {
+		err := context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return err
+		}
+		if snapshot.RefList().Has(p) {
+			fmt.Printf("  snapshot %s\n", snapshot)
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func aptlyPackageShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	q, err := query.Parse(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	withFiles := context.Flags().Lookup("with-files").Value.Get().(bool)
+	withReferences := context.Flags().Lookup("with-references").Value.Get().(bool)
+
+	w := bufio.NewWriter(os.Stdout)
+
+	result := q.Query(context.CollectionFactory().PackageCollection())
+
+	err = result.ForEach(func(p *deb.Package) error {
+		p.Stanza().WriteTo(w, p.IsSource, false)
+		w.Flush()
+		fmt.Printf("\n")
+
+		if withFiles {
+			fmt.Printf("Files in the pool:\n")
+			for _, f := range p.Files() {
+				path, err := context.PackagePool().Path(f.Filename, f.Checksums.MD5)
+				if err != nil {
+					return err
+				}
+				fmt.Printf("  %s\n", path)
+			}
+			fmt.Printf("\n")
+		}
+
+		if withReferences {
+			fmt.Printf("References to package:\n")
+			printReferencesTo(p)
+			fmt.Printf("\n")
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	return err
+}
+
+func makeCmdPackageShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPackageShow,
+		UsageLine: "show <package-query>",
+		Short:     "show details about packages matching query",
+		Long: `
+Command shows displays detailed meta-information about packages
+matching query. Information from Debian control file is displayed.
+Optionally information about package files and
+inclusion into mirrors/snapshots/local repos is shown.
+
+Example:
+
+    $ aptly package show 'nginx-light_1.2.1-2.2+wheezy2_i386'
+`,
+		Flag: *flag.NewFlagSet("aptly-package-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-files", false, "display information about files from package pool")
+	cmd.Flag.Bool("with-references", false, "display information about mirrors, snapshots and local repos referencing this package")
+
+	return cmd
+}

cmd/publish.go

@@ -0,0 +1,43 @@
+package cmd
+
+import (
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func getSigner(flags *flag.FlagSet) (utils.Signer, error) {
+	if LookupOption(context.Config().GpgDisableSign, flags, "skip-signing") {
+		return nil, nil
+	}
+
+	signer := &utils.GpgSigner{}
+	signer.SetKey(flags.Lookup("gpg-key").Value.String())
+	signer.SetKeyRing(flags.Lookup("keyring").Value.String(), flags.Lookup("secret-keyring").Value.String())
+	signer.SetPassphrase(flags.Lookup("passphrase").Value.String(), flags.Lookup("passphrase-file").Value.String())
+	signer.SetBatch(flags.Lookup("batch").Value.Get().(bool))
+
+	err := signer.Init()
+	if err != nil {
+		return nil, err
+	}
+
+	return signer, nil
+
+}
+
+func makeCmdPublish() *commander.Command {
+	return &commander.Command{
+		UsageLine: "publish",
+		Short:     "manage published repositories",
+		Subcommands: []*commander.Command{
+			makeCmdPublishDrop(),
+			makeCmdPublishList(),
+			makeCmdPublishRepo(),
+			makeCmdPublishSnapshot(),
+			makeCmdPublishSwitch(),
+			makeCmdPublishUpdate(),
+			makeCmdPublishShow(),
+		},
+	}
+}

cmd/publish_drop.go

@@ -0,0 +1,55 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyPublishDrop(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 1 || len(args) > 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	distribution := args[0]
+	param := "."
+
+	if len(args) == 2 {
+		param = args[1]
+	}
+
+	storage, prefix := deb.ParsePrefix(param)
+
+	err = context.CollectionFactory().PublishedRepoCollection().Remove(context, storage, prefix, distribution,
+		context.CollectionFactory(), context.Progress(), context.Flags().Lookup("force-drop").Value.Get().(bool))
+	if err != nil {
+		return fmt.Errorf("unable to remove: %s", err)
+	}
+
+	context.Progress().Printf("\nPublished repository has been removed successfully.\n")
+
+	return err
+}
+
+func makeCmdPublishDrop() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishDrop,
+		UsageLine: "drop <distribution> [[<endpoint>:]<prefix>]",
+		Short:     "remove published repository",
+		Long: `
+Command removes whatever has been published under specified <prefix>,
+publishing <endpoint> and <distribution> name.
+
+Example:
+
+    $ aptly publish drop wheezy
+`,
+	}
+
+	cmd.Flag.Bool("force-drop", false, "remove published repository even if some files could not be cleaned up")
+
+	return cmd
+}

cmd/publish_list.go

@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyPublishList(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	raw := cmd.Flag.Lookup("raw").Value.Get().(bool)
+
+	published := make([]string, 0, context.CollectionFactory().PublishedRepoCollection().Len())
+
+	err = context.CollectionFactory().PublishedRepoCollection().ForEach(func(repo *deb.PublishedRepo) error {
+		err := context.CollectionFactory().PublishedRepoCollection().LoadComplete(repo, context.CollectionFactory())
+		if err != nil {
+			return err
+		}
+
+		if raw {
+			published = append(published, fmt.Sprintf("%s %s", repo.StoragePrefix(), repo.Distribution))
+		} else {
+			published = append(published, repo.String())
+		}
+		return nil
+	})
+
+	if err != nil {
+		return fmt.Errorf("unable to load list of repos: %s", err)
+	}
+
+	context.CloseDatabase()
+
+	sort.Strings(published)
+
+	if raw {
+		for _, info := range published {
+			fmt.Printf("%s\n", info)
+		}
+	} else {
+		if len(published) == 0 {
+			fmt.Printf("No snapshots/local repos have been published. Publish a snapshot by running `aptly publish snapshot ...`.\n")
+			return err
+		}
+
+		fmt.Printf("Published repositories:\n")
+
+		for _, description := range published {
+			fmt.Printf("  * %s\n", description)
+		}
+	}
+
+	return err
+}
+
+func makeCmdPublishList() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishList,
+		UsageLine: "list",
+		Short:     "list of published repositories",
+		Long: `
+Display list of currently published snapshots.
+
+Example:
+
+    $ aptly publish list
+`,
+	}
+
+	cmd.Flag.Bool("raw", false, "display list in machine-readable format")
+
+	return cmd
+}

cmd/publish_repo.go

@@ -0,0 +1,50 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func makeCmdPublishRepo() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishSnapshotOrRepo,
+		UsageLine: "repo <name> [[<endpoint>:]<prefix>]",
+		Short:     "publish local repository",
+		Long: `
+Command publishes current state of local repository ready to be consumed
+by apt tools. Published repostiories appear under rootDir/public directory.
+Valid GPG key is required for publishing.
+
+Multiple component repository could be published by specifying several
+components split by commas via -component flag and multiple local
+repositories as the arguments:
+
+    aptly publish repo -component=main,contrib repo-main repo-contrib
+
+It is not recommended to publish local repositories directly unless the
+repository is for testing purposes and changes happen frequently. For
+production usage please take snapshot of repository and publish it
+using publish snapshot command.
+
+Example:
+
+    $ aptly publish repo testing
+`,
+		Flag: *flag.NewFlagSet("aptly-publish-repo", flag.ExitOnError),
+	}
+	cmd.Flag.String("distribution", "", "distribution name to publish")
+	cmd.Flag.String("component", "", "component name to publish (for multi-component publishing, separate components with commas)")
+	cmd.Flag.String("gpg-key", "", "GPG key ID to use when signing the release")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "GPG keyring to use (instead of default)")
+	cmd.Flag.String("secret-keyring", "", "GPG secret keyring to use (instead of default)")
+	cmd.Flag.String("passphrase", "", "GPG passhprase for the key (warning: could be insecure)")
+	cmd.Flag.String("passphrase-file", "", "GPG passhprase-file for the key (warning: could be insecure)")
+	cmd.Flag.Bool("batch", false, "run GPG with detached tty")
+	cmd.Flag.Bool("skip-signing", false, "don't sign Release files with GPG")
+	cmd.Flag.Bool("skip-contents", false, "don't generate Contents indexes")
+	cmd.Flag.String("origin", "", "origin name to publish")
+	cmd.Flag.String("label", "", "label to publish")
+	cmd.Flag.Bool("force-overwrite", false, "overwrite files in package pool in case of mismatch")
+
+	return cmd
+}

cmd/publish_show.go

@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyPublishShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 1 || len(args) > 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	distribution := args[0]
+	param := "."
+
+	if len(args) == 2 {
+		param = args[1]
+	}
+
+	storage, prefix := deb.ParsePrefix(param)
+
+	repo, err := context.CollectionFactory().PublishedRepoCollection().ByStoragePrefixDistribution(storage, prefix, distribution)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	if repo.Storage != "" {
+		fmt.Printf("Storage: %s\n", repo.Storage)
+	}
+	fmt.Printf("Prefix: %s\n", repo.Prefix)
+	if repo.Distribution != "" {
+		fmt.Printf("Distribution: %s\n", repo.Distribution)
+	}
+	fmt.Printf("Architectures: %s\n", strings.Join(repo.Architectures, " "))
+
+	fmt.Printf("Sources:\n")
+	for component, sourceID := range repo.Sources {
+		var name string
+		if repo.SourceKind == "snapshot" {
+			source, err := context.CollectionFactory().SnapshotCollection().ByUUID(sourceID)
+			if err != nil {
+				continue
+			}
+			name = source.Name
+		} else if repo.SourceKind == "local" {
+			source, err := context.CollectionFactory().LocalRepoCollection().ByUUID(sourceID)
+			if err != nil {
+				continue
+			}
+			name = source.Name
+		}
+
+		if name != "" {
+			fmt.Printf("  %s: %s [%s]\n", component, name, repo.SourceKind)
+		}
+	}
+
+	return err
+}
+
+func makeCmdPublishShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishShow,
+		UsageLine: "show <distribution> [[<endpoint>:]<prefix>]",
+		Short:     "shows details of published repository",
+		Long: `
+Command show displays full information of a published repository.
+
+Example:
+
+    $ aptly publish show wheezy
+`,
+	}
+
+	return cmd
+}

cmd/publish_snapshot.go

@@ -0,0 +1,219 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyPublishSnapshotOrRepo(cmd *commander.Command, args []string) error {
+	var err error
+
+	components := strings.Split(context.Flags().Lookup("component").Value.String(), ",")
+
+	if len(args) < len(components) || len(args) > len(components)+1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	var param string
+	if len(args) == len(components)+1 {
+		param = args[len(components)]
+		args = args[0 : len(args)-1]
+	} else {
+		param = ""
+	}
+	storage, prefix := deb.ParsePrefix(param)
+
+	var (
+		sources = []interface{}{}
+		message string
+	)
+
+	if cmd.Name() == "snapshot" {
+		var (
+			snapshot     *deb.Snapshot
+			emptyWarning = false
+			parts        = []string{}
+		)
+
+		for _, name := range args {
+			snapshot, err = context.CollectionFactory().SnapshotCollection().ByName(name)
+			if err != nil {
+				return fmt.Errorf("unable to publish: %s", err)
+			}
+
+			err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+			if err != nil {
+				return fmt.Errorf("unable to publish: %s", err)
+			}
+
+			sources = append(sources, snapshot)
+			parts = append(parts, snapshot.Name)
+
+			if snapshot.NumPackages() == 0 {
+				emptyWarning = true
+			}
+		}
+
+		if len(parts) == 1 {
+			message = fmt.Sprintf("Snapshot %s has", parts[0])
+		} else {
+			message = fmt.Sprintf("Snapshots %s have", strings.Join(parts, ", "))
+
+		}
+
+		if emptyWarning {
+			context.Progress().Printf("Warning: publishing from empty source, architectures list should be complete, it can't be changed after publishing (use -architectures flag)\n")
+		}
+	} else if cmd.Name() == "repo" {
+		var (
+			localRepo    *deb.LocalRepo
+			emptyWarning = false
+			parts        = []string{}
+		)
+
+		for _, name := range args {
+			localRepo, err = context.CollectionFactory().LocalRepoCollection().ByName(name)
+			if err != nil {
+				return fmt.Errorf("unable to publish: %s", err)
+			}
+
+			err = context.CollectionFactory().LocalRepoCollection().LoadComplete(localRepo)
+			if err != nil {
+				return fmt.Errorf("unable to publish: %s", err)
+			}
+
+			sources = append(sources, localRepo)
+			parts = append(parts, localRepo.Name)
+
+			if localRepo.NumPackages() == 0 {
+				emptyWarning = true
+			}
+		}
+
+		if len(parts) == 1 {
+			message = fmt.Sprintf("Local repo %s has", parts[0])
+		} else {
+			message = fmt.Sprintf("Local repos %s have", strings.Join(parts, ", "))
+
+		}
+
+		if emptyWarning {
+			context.Progress().Printf("Warning: publishing from empty source, architectures list should be complete, it can't be changed after publishing (use -architectures flag)\n")
+		}
+	} else {
+		panic("unknown command")
+	}
+
+	distribution := context.Flags().Lookup("distribution").Value.String()
+
+	published, err := deb.NewPublishedRepo(storage, prefix, distribution, context.ArchitecturesList(), components, sources, context.CollectionFactory())
+	if err != nil {
+		return fmt.Errorf("unable to publish: %s", err)
+	}
+	published.Origin = context.Flags().Lookup("origin").Value.String()
+	published.Label = context.Flags().Lookup("label").Value.String()
+
+	published.SkipContents = context.Config().SkipContentsPublishing
+
+	if context.Flags().IsSet("skip-contents") {
+		published.SkipContents = context.Flags().Lookup("skip-contents").Value.Get().(bool)
+	}
+
+	duplicate := context.CollectionFactory().PublishedRepoCollection().CheckDuplicate(published)
+	if duplicate != nil {
+		context.CollectionFactory().PublishedRepoCollection().LoadComplete(duplicate, context.CollectionFactory())
+		return fmt.Errorf("prefix/distribution already used by another published repo: %s", duplicate)
+	}
+
+	signer, err := getSigner(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG signer: %s", err)
+	}
+
+	forceOverwrite := context.Flags().Lookup("force-overwrite").Value.Get().(bool)
+	if forceOverwrite {
+		context.Progress().ColoredPrintf("@rWARNING@|: force overwrite mode enabled, aptly might corrupt other published repositories sharing " +
+			"the same package pool.\n")
+	}
+
+	err = published.Publish(context.PackagePool(), context, context.CollectionFactory(), signer, context.Progress(), forceOverwrite)
+	if err != nil {
+		return fmt.Errorf("unable to publish: %s", err)
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().Add(published)
+	if err != nil {
+		return fmt.Errorf("unable to save to DB: %s", err)
+	}
+
+	var repoComponents string
+	prefix, repoComponents, distribution = published.Prefix, strings.Join(published.Components(), " "), published.Distribution
+	if prefix == "." {
+		prefix = ""
+	} else if !strings.HasSuffix(prefix, "/") {
+		prefix += "/"
+	}
+
+	context.Progress().Printf("\n%s been successfully published.\n", message)
+
+	if localStorage, ok := context.GetPublishedStorage(storage).(aptly.LocalPublishedStorage); ok {
+		context.Progress().Printf("Please setup your webserver to serve directory '%s' with autoindexing.\n",
+			localStorage.PublicPath())
+	}
+
+	context.Progress().Printf("Now you can add following line to apt sources:\n")
+	context.Progress().Printf("  deb http://your-server/%s %s %s\n", prefix, distribution, repoComponents)
+	if utils.StrSliceHasItem(published.Architectures, "source") {
+		context.Progress().Printf("  deb-src http://your-server/%s %s %s\n", prefix, distribution, repoComponents)
+	}
+	context.Progress().Printf("Don't forget to add your GPG key to apt with apt-key.\n")
+	context.Progress().Printf("\nYou can also use `aptly serve` to publish your repositories over HTTP quickly.\n")
+
+	return err
+}
+
+func makeCmdPublishSnapshot() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishSnapshotOrRepo,
+		UsageLine: "snapshot <name> [[<endpoint>:]<prefix>]",
+		Short:     "publish snapshot",
+		Long: `
+Command publishes snapshot as Debian repository ready to be consumed
+by apt tools. Published repostiories appear under rootDir/public directory.
+Valid GPG key is required for publishing.
+
+Multiple component repository could be published by specifying several
+components split by commas via -component flag and multiple snapshots
+as the arguments:
+
+    aptly publish snapshot -component=main,contrib snap-main snap-contrib
+
+Example:
+
+    $ aptly publish snapshot wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-publish-snapshot", flag.ExitOnError),
+	}
+	cmd.Flag.String("distribution", "", "distribution name to publish")
+	cmd.Flag.String("component", "", "component name to publish (for multi-component publishing, separate components with commas)")
+	cmd.Flag.String("gpg-key", "", "GPG key ID to use when signing the release")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "GPG keyring to use (instead of default)")
+	cmd.Flag.String("secret-keyring", "", "GPG secret keyring to use (instead of default)")
+	cmd.Flag.String("passphrase", "", "GPG passhprase for the key (warning: could be insecure)")
+	cmd.Flag.String("passphrase-file", "", "GPG passhprase-file for the key (warning: could be insecure)")
+	cmd.Flag.Bool("batch", false, "run GPG with detached tty")
+	cmd.Flag.Bool("skip-signing", false, "don't sign Release files with GPG")
+	cmd.Flag.Bool("skip-contents", false, "don't generate Contents indexes")
+	cmd.Flag.String("origin", "", "origin name to publish")
+	cmd.Flag.String("label", "", "label to publish")
+	cmd.Flag.Bool("force-overwrite", false, "overwrite files in package pool in case of mismatch")
+
+	return cmd
+}

cmd/publish_switch.go

@@ -0,0 +1,156 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyPublishSwitch(cmd *commander.Command, args []string) error {
+	var err error
+
+	components := strings.Split(context.Flags().Lookup("component").Value.String(), ",")
+
+	if len(args) < len(components)+1 || len(args) > len(components)+2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	distribution := args[0]
+	param := "."
+
+	var (
+		names    []string
+		snapshot *deb.Snapshot
+	)
+
+	if len(args) == len(components)+2 {
+		param = args[1]
+		names = args[2:]
+	} else {
+		names = args[1:]
+	}
+
+	storage, prefix := deb.ParsePrefix(param)
+
+	var published *deb.PublishedRepo
+
+	published, err = context.CollectionFactory().PublishedRepoCollection().ByStoragePrefixDistribution(storage, prefix, distribution)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	if published.SourceKind != "snapshot" {
+		return fmt.Errorf("unable to update: not a snapshot publish")
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().LoadComplete(published, context.CollectionFactory())
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	publishedComponents := published.Components()
+	if len(components) == 1 && len(publishedComponents) == 1 && components[0] == "" {
+		components = publishedComponents
+	}
+
+	if len(names) != len(components) {
+		return fmt.Errorf("mismatch in number of components (%d) and snapshots (%d)", len(components), len(names))
+	}
+
+	for i, component := range components {
+		if !utils.StrSliceHasItem(publishedComponents, component) {
+			return fmt.Errorf("unable to switch: component %s is not in published repository", component)
+		}
+
+		snapshot, err = context.CollectionFactory().SnapshotCollection().ByName(names[i])
+		if err != nil {
+			return fmt.Errorf("unable to switch: %s", err)
+		}
+
+		err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return fmt.Errorf("unable to switch: %s", err)
+		}
+
+		published.UpdateSnapshot(component, snapshot)
+	}
+
+	signer, err := getSigner(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG signer: %s", err)
+	}
+
+	forceOverwrite := context.Flags().Lookup("force-overwrite").Value.Get().(bool)
+	if forceOverwrite {
+		context.Progress().ColoredPrintf("@rWARNING@|: force overwrite mode enabled, aptly might corrupt other published repositories sharing " +
+			"the same package pool.\n")
+	}
+
+	if context.Flags().IsSet("skip-contents") {
+		published.SkipContents = context.Flags().Lookup("skip-contents").Value.Get().(bool)
+	}
+
+	err = published.Publish(context.PackagePool(), context, context.CollectionFactory(), signer, context.Progress(), forceOverwrite)
+	if err != nil {
+		return fmt.Errorf("unable to publish: %s", err)
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().Update(published)
+	if err != nil {
+		return fmt.Errorf("unable to save to DB: %s", err)
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().CleanupPrefixComponentFiles(published.Prefix, components,
+		context.GetPublishedStorage(storage), context.CollectionFactory(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	context.Progress().Printf("\nPublish for snapshot %s has been successfully switched to new snapshot.\n", published.String())
+
+	return err
+}
+
+func makeCmdPublishSwitch() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishSwitch,
+		UsageLine: "switch <distribution> [[<endpoint>:]<prefix>] <new-snapshot>",
+		Short:     "update published repository by switching to new snapshot",
+		Long: `
+Command switches in-place published snapshots with new snapshot contents. All
+publishing parameters are preserved (architecture list, distribution,
+component).
+
+For multiple component repositories, flag -component should be given with
+list of components to update. Corresponding snapshots should be given in the
+same order, e.g.:
+
+	aptly publish switch -component=main,contrib wheezy wh-main wh-contrib
+
+Example:
+
+    $ aptly publish switch wheezy ppa wheezy-7.5
+
+This command would switch published repository (with one component) named ppa/wheezy
+(prefix ppa, dsitribution wheezy to new snapshot wheezy-7.5).
+`,
+		Flag: *flag.NewFlagSet("aptly-publish-switch", flag.ExitOnError),
+	}
+	cmd.Flag.String("gpg-key", "", "GPG key ID to use when signing the release")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "GPG keyring to use (instead of default)")
+	cmd.Flag.String("secret-keyring", "", "GPG secret keyring to use (instead of default)")
+	cmd.Flag.String("passphrase", "", "GPG passhprase for the key (warning: could be insecure)")
+	cmd.Flag.String("passphrase-file", "", "GPG passhprase-file for the key (warning: could be insecure)")
+	cmd.Flag.Bool("batch", false, "run GPG with detached tty")
+	cmd.Flag.Bool("skip-signing", false, "don't sign Release files with GPG")
+	cmd.Flag.Bool("skip-contents", false, "don't generate Contents indexes")
+	cmd.Flag.String("component", "", "component names to update (for multi-component publishing, separate components with commas)")
+	cmd.Flag.Bool("force-overwrite", false, "overwrite files in package pool in case of mismatch")
+
+	return cmd
+}

cmd/publish_update.go

@@ -0,0 +1,114 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyPublishUpdate(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 1 || len(args) > 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	distribution := args[0]
+	param := "."
+
+	if len(args) == 2 {
+		param = args[1]
+	}
+	storage, prefix := deb.ParsePrefix(param)
+
+	var published *deb.PublishedRepo
+
+	published, err = context.CollectionFactory().PublishedRepoCollection().ByStoragePrefixDistribution(storage, prefix, distribution)
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	if published.SourceKind != "local" {
+		return fmt.Errorf("unable to update: not a local repository publish")
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().LoadComplete(published, context.CollectionFactory())
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	components := published.Components()
+	for _, component := range components {
+		published.UpdateLocalRepo(component)
+	}
+
+	signer, err := getSigner(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG signer: %s", err)
+	}
+
+	forceOverwrite := context.Flags().Lookup("force-overwrite").Value.Get().(bool)
+	if forceOverwrite {
+		context.Progress().ColoredPrintf("@rWARNING@|: force overwrite mode enabled, aptly might corrupt other published repositories sharing " +
+			"the same package pool.\n")
+	}
+
+	if context.Flags().IsSet("skip-contents") {
+		published.SkipContents = context.Flags().Lookup("skip-contents").Value.Get().(bool)
+	}
+
+	err = published.Publish(context.PackagePool(), context, context.CollectionFactory(), signer, context.Progress(), forceOverwrite)
+	if err != nil {
+		return fmt.Errorf("unable to publish: %s", err)
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().Update(published)
+	if err != nil {
+		return fmt.Errorf("unable to save to DB: %s", err)
+	}
+
+	err = context.CollectionFactory().PublishedRepoCollection().CleanupPrefixComponentFiles(published.Prefix, components,
+		context.GetPublishedStorage(storage), context.CollectionFactory(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to update: %s", err)
+	}
+
+	context.Progress().Printf("\nPublish for local repo %s has been successfully updated.\n", published.String())
+
+	return err
+}
+
+func makeCmdPublishUpdate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyPublishUpdate,
+		UsageLine: "update <distribution> [[<endpoint>:]<prefix>]",
+		Short:     "update published local repository",
+		Long: `
+Command re-publishes (updates) published local repository. <distribution>
+and <prefix> should be occupied with local repository published
+using command aptly publish repo. Update happens in-place with
+minimum possible downtime for published repository.
+
+For multiple component published repositories, all local repositories
+are updated.
+
+Example:
+
+    $ aptly publish update wheezy ppa
+`,
+		Flag: *flag.NewFlagSet("aptly-publish-update", flag.ExitOnError),
+	}
+	cmd.Flag.String("gpg-key", "", "GPG key ID to use when signing the release")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "GPG keyring to use (instead of default)")
+	cmd.Flag.String("secret-keyring", "", "GPG secret keyring to use (instead of default)")
+	cmd.Flag.String("passphrase", "", "GPG passhprase for the key (warning: could be insecure)")
+	cmd.Flag.String("passphrase-file", "", "GPG passhprase-file for the key (warning: could be insecure)")
+	cmd.Flag.Bool("batch", false, "run GPG with detached tty")
+	cmd.Flag.Bool("skip-signing", false, "don't sign Release files with GPG")
+	cmd.Flag.Bool("skip-contents", false, "don't generate Contents indexes")
+	cmd.Flag.Bool("force-overwrite", false, "overwrite files in package pool in case of mismatch")
+
+	return cmd
+}

cmd/repo.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdRepo() *commander.Command {
+	return &commander.Command{
+		UsageLine: "repo",
+		Short:     "manage local package repositories",
+		Subcommands: []*commander.Command{
+			makeCmdRepoAdd(),
+			makeCmdRepoCopy(),
+			makeCmdRepoCreate(),
+			makeCmdRepoDrop(),
+			makeCmdRepoEdit(),
+			makeCmdRepoImport(),
+			makeCmdRepoList(),
+			makeCmdRepoMove(),
+			makeCmdRepoRemove(),
+			makeCmdRepoShow(),
+			makeCmdRepoRename(),
+			makeCmdRepoSearch(),
+			makeCmdRepoInclude(),
+		},
+	}
+}

cmd/repo_add.go

@@ -0,0 +1,110 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoAdd(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	verifier := &utils.GpgVerifier{}
+
+	repo, err := context.CollectionFactory().LocalRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to add: %s", err)
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to add: %s", err)
+	}
+
+	context.Progress().Printf("Loading packages...\n")
+
+	list, err := deb.NewPackageListFromRefList(repo.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	forceReplace := context.Flags().Lookup("force-replace").Value.Get().(bool)
+
+	var packageFiles, failedFiles []string
+
+	packageFiles, failedFiles = deb.CollectPackageFiles(args[1:], &aptly.ConsoleResultReporter{Progress: context.Progress()})
+
+	var processedFiles, failedFiles2 []string
+
+	processedFiles, failedFiles2, err = deb.ImportPackageFiles(list, packageFiles, forceReplace, verifier, context.PackagePool(),
+		context.CollectionFactory().PackageCollection(), &aptly.ConsoleResultReporter{Progress: context.Progress()}, nil)
+	failedFiles = append(failedFiles, failedFiles2...)
+	if err != nil {
+		return fmt.Errorf("unable to import package files: %s", err)
+	}
+
+	repo.UpdateRefList(deb.NewPackageRefListFromPackageList(list))
+
+	err = context.CollectionFactory().LocalRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to save: %s", err)
+	}
+
+	if context.Flags().Lookup("remove-files").Value.Get().(bool) {
+		processedFiles = utils.StrSliceDeduplicate(processedFiles)
+
+		for _, file := range processedFiles {
+			err := os.Remove(file)
+			if err != nil {
+				return fmt.Errorf("unable to remove file: %s", err)
+			}
+		}
+	}
+
+	if len(failedFiles) > 0 {
+		context.Progress().ColoredPrintf("@y[!]@| @!Some files were skipped due to errors:@|")
+		for _, file := range failedFiles {
+			context.Progress().ColoredPrintf("  %s", file)
+		}
+
+		return fmt.Errorf("some files failed to be added")
+	}
+
+	return err
+}
+
+func makeCmdRepoAdd() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoAdd,
+		UsageLine: "add <name> <package file.deb>|<directory> ...",
+		Short:     "add packages to local repository",
+		Long: `
+Command adds packages to local repository from .deb, .udeb (binary packages) and .dsc (source packages) files.
+When importing from directory aptly would do recursive scan looking for all files matching *.[u]deb or *.dsc
+patterns. Every file discovered would be analyzed to extract metadata, package would then be created and added
+to the database. Files would be imported to internal package pool. For source packages, all required files are
+added automatically as well. Extra files for source package should be in the same directory as *.dsc file.
+
+Example:
+
+  $ aptly repo add testing myapp-0.1.2.deb incoming/
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-add", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("remove-files", false, "remove files that have been imported successfully into repository")
+	cmd.Flag.Bool("force-replace", false, "when adding package that conflicts with existing package, remove existing package")
+
+	return cmd
+}

cmd/repo_copy.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func makeCmdRepoCopy() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoMoveCopyImport,
+		UsageLine: "copy <src-name> <dst-name> <package-query> ...",
+		Short:     "copy packages between local repositories",
+		Long: `
+Command copy copies packages matching <package-query> from local repo
+<src-name> to local repo <dst-name>.
+
+Example:
+
+  $ aptly repo copy testing stable 'myapp (=0.1.12)'
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-copy", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("dry-run", false, "don't copy, just show what would be copied")
+	cmd.Flag.Bool("with-deps", false, "follow dependencies when processing package-spec")
+
+	return cmd
+}

cmd/repo_create.go

@@ -0,0 +1,83 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoCreate(cmd *commander.Command, args []string) error {
+	var err error
+	if !(len(args) == 1 || (len(args) == 4 && args[1] == "from" && args[2] == "snapshot")) {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	repo := deb.NewLocalRepo(args[0], context.Flags().Lookup("comment").Value.String())
+	repo.DefaultDistribution = context.Flags().Lookup("distribution").Value.String()
+	repo.DefaultComponent = context.Flags().Lookup("component").Value.String()
+
+	uploadersFile := context.Flags().Lookup("uploaders-file").Value.Get().(string)
+	if uploadersFile != "" {
+		repo.Uploaders, err = deb.NewUploadersFromFile(uploadersFile)
+		if err != nil {
+			return err
+		}
+	}
+
+	if len(args) == 4 {
+		var snapshot *deb.Snapshot
+
+		snapshot, err = context.CollectionFactory().SnapshotCollection().ByName(args[3])
+		if err != nil {
+			return fmt.Errorf("unable to load source snapshot: %s", err)
+		}
+
+		err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return fmt.Errorf("unable to load source snapshot: %s", err)
+		}
+
+		repo.UpdateRefList(snapshot.RefList())
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().Add(repo)
+	if err != nil {
+		return fmt.Errorf("unable to add local repo: %s", err)
+	}
+
+	fmt.Printf("\nLocal repo %s successfully added.\nYou can run 'aptly repo add %s ...' to add packages to repository.\n", repo, repo.Name)
+	return err
+}
+
+func makeCmdRepoCreate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoCreate,
+		UsageLine: "create <name> [ from snapshot <snapshot> ]",
+		Short:     "create local repository",
+		Long: `
+Create local package repository. Repository would be empty when
+created, packages could be added from files, copied or moved from
+another local repository or imported from the mirror.
+
+If local package repository is created from snapshot, repo initial
+contents are copied from snapsot contents.
+
+Example:
+
+  $ aptly repo create testing
+
+  $ aptly repo create mysql35 from snapshot mysql-35-2017
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-create", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("comment", "", "any text that would be used to described local repository")
+	cmd.Flag.String("distribution", "", "default distribution when publishing")
+	cmd.Flag.String("component", "main", "default component when publishing")
+	cmd.Flag.String("uploaders-file", "", "uploaders.json to be used when including .changes into this repository")
+
+	return cmd
+}

cmd/repo_drop.go

@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoDrop(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().LocalRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	published := context.CollectionFactory().PublishedRepoCollection().ByLocalRepo(repo)
+	if len(published) > 0 {
+		fmt.Printf("Local repo `%s` is published currently:\n", repo.Name)
+		for _, repo := range published {
+			err = context.CollectionFactory().PublishedRepoCollection().LoadComplete(repo, context.CollectionFactory())
+			if err != nil {
+				return fmt.Errorf("unable to load published: %s", err)
+			}
+			fmt.Printf(" * %s\n", repo)
+		}
+
+		return fmt.Errorf("unable to drop: local repo is published")
+	}
+
+	force := context.Flags().Lookup("force").Value.Get().(bool)
+	if !force {
+		snapshots := context.CollectionFactory().SnapshotCollection().ByLocalRepoSource(repo)
+
+		if len(snapshots) > 0 {
+			fmt.Printf("Local repo `%s` was used to create following snapshots:\n", repo.Name)
+			for _, snapshot := range snapshots {
+				fmt.Printf(" * %s\n", snapshot)
+			}
+
+			return fmt.Errorf("won't delete local repo with snapshots, use -force to override")
+		}
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().Drop(repo)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	fmt.Printf("Local repo `%s` has been removed.\n", repo.Name)
+
+	return err
+}
+
+func makeCmdRepoDrop() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoDrop,
+		UsageLine: "drop <name>",
+		Short:     "delete local repository",
+		Long: `
+Drop information about deletions from local repo. Package data is not deleted
+(since it could be still used by other mirrors or snapshots).
+
+Example:
+
+  $ aptly repo drop local-repo
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-drop", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("force", false, "force local repo deletion even if used by snapshots")
+
+	return cmd
+}

cmd/repo_edit.go

@@ -0,0 +1,86 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/AlekSi/pointer"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoEdit(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	repo, err := context.CollectionFactory().LocalRepoCollection().ByName(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	var uploadersFile *string
+
+	context.Flags().Visit(func(flag *flag.Flag) {
+		switch flag.Name {
+		case "comment":
+			repo.Comment = flag.Value.String()
+		case "distribution":
+			repo.DefaultDistribution = flag.Value.String()
+		case "component":
+			repo.DefaultComponent = flag.Value.String()
+		case "uploaders-file":
+			uploadersFile = pointer.ToString(flag.Value.String())
+		}
+	})
+
+	if uploadersFile != nil {
+		if *uploadersFile != "" {
+			repo.Uploaders, err = deb.NewUploadersFromFile(*uploadersFile)
+			if err != nil {
+				return err
+			}
+		} else {
+			repo.Uploaders = nil
+		}
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to edit: %s", err)
+	}
+
+	fmt.Printf("Local repo %s successfully updated.\n", repo)
+	return err
+}
+
+func makeCmdRepoEdit() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoEdit,
+		UsageLine: "edit <name>",
+		Short:     "edit properties of local repository",
+		Long: `
+Command edit allows one to change metadata of local repository:
+comment, default distribution and component.
+
+Example:
+
+  $ aptly repo edit -distribution=wheezy testing
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-edit", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("comment", "", "any text that would be used to described local repository")
+	cmd.Flag.String("distribution", "", "default distribution when publishing")
+	cmd.Flag.String("component", "", "default component when publishing")
+	cmd.Flag.String("uploaders-file", "", "uploaders.json to be used when including .changes into this repository")
+
+	return cmd
+}

cmd/repo_import.go

@@ -0,0 +1,28 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func makeCmdRepoImport() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoMoveCopyImport,
+		UsageLine: "import <src-mirror> <dst-repo> <package-query> ...",
+		Short:     "import packages from mirror to local repository",
+		Long: `
+Command import looks up packages matching <package-query> in mirror <src-mirror>
+and copies them to local repo <dst-repo>.
+
+Example:
+
+  $ aptly repo import wheezy-main testing nginx
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-import", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("dry-run", false, "don't import, just show what would be imported")
+	cmd.Flag.Bool("with-deps", false, "follow dependencies when processing package-spec")
+
+	return cmd
+}

cmd/repo_include.go

@@ -0,0 +1,235 @@
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"path/filepath"
+	"text/template"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoInclude(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	verifier, err := getVerifier(context.Flags())
+	if err != nil {
+		return fmt.Errorf("unable to initialize GPG verifier: %s", err)
+	}
+
+	if verifier == nil {
+		verifier = &utils.GpgVerifier{}
+	}
+
+	forceReplace := context.Flags().Lookup("force-replace").Value.Get().(bool)
+	acceptUnsigned := context.Flags().Lookup("accept-unsigned").Value.Get().(bool)
+	ignoreSignatures := context.Flags().Lookup("ignore-signatures").Value.Get().(bool)
+	noRemoveFiles := context.Flags().Lookup("no-remove-files").Value.Get().(bool)
+
+	repoTemplate, err := template.New("repo").Parse(context.Flags().Lookup("repo").Value.Get().(string))
+	if err != nil {
+		return fmt.Errorf("error parsing -repo template: %s", err)
+	}
+
+	uploaders := (*deb.Uploaders)(nil)
+	uploadersFile := context.Flags().Lookup("uploaders-file").Value.Get().(string)
+	if uploadersFile != "" {
+		uploaders, err = deb.NewUploadersFromFile(uploadersFile)
+		if err != nil {
+			return err
+		}
+
+		for i := range uploaders.Rules {
+			uploaders.Rules[i].CompiledCondition, err = query.Parse(uploaders.Rules[i].Condition)
+			if err != nil {
+				return fmt.Errorf("error parsing query %s: %s", uploaders.Rules[i].Condition, err)
+			}
+		}
+	}
+
+	reporter := &aptly.ConsoleResultReporter{Progress: context.Progress()}
+
+	var changesFiles, failedFiles, processedFiles []string
+
+	changesFiles, failedFiles = deb.CollectChangesFiles(args, reporter)
+
+	for _, path := range changesFiles {
+		var changes *deb.Changes
+
+		changes, err = deb.NewChanges(path)
+		if err != nil {
+			failedFiles = append(failedFiles, path)
+			reporter.Warning("unable to process file %s: %s", path, err)
+			continue
+		}
+
+		err = changes.VerifyAndParse(acceptUnsigned, ignoreSignatures, verifier)
+		if err != nil {
+			failedFiles = append(failedFiles, path)
+			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
+			changes.Cleanup()
+			continue
+		}
+
+		err = changes.Prepare()
+		if err != nil {
+			failedFiles = append(failedFiles, path)
+			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
+			changes.Cleanup()
+			continue
+		}
+
+		repoName := &bytes.Buffer{}
+		err = repoTemplate.Execute(repoName, changes.Stanza)
+		if err != nil {
+			return fmt.Errorf("error applying template to repo: %s", err)
+		}
+
+		context.Progress().Printf("Loading repository %s for changes file %s...\n", repoName.String(), changes.ChangesName)
+
+		repo, err := context.CollectionFactory().LocalRepoCollection().ByName(repoName.String())
+		if err != nil {
+			failedFiles = append(failedFiles, path)
+			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
+			changes.Cleanup()
+			continue
+		}
+
+		currentUploaders := uploaders
+		if repo.Uploaders != nil {
+			currentUploaders = repo.Uploaders
+			for i := range currentUploaders.Rules {
+				currentUploaders.Rules[i].CompiledCondition, err = query.Parse(currentUploaders.Rules[i].Condition)
+				if err != nil {
+					return fmt.Errorf("error parsing query %s: %s", currentUploaders.Rules[i].Condition, err)
+				}
+			}
+		}
+
+		if currentUploaders != nil {
+			if err = currentUploaders.IsAllowed(changes); err != nil {
+				failedFiles = append(failedFiles, path)
+				reporter.Warning("changes file skipped due to uploaders config: %s, keys %#v: %s",
+					changes.ChangesName, changes.SignatureKeys, err)
+				changes.Cleanup()
+				continue
+			}
+		}
+
+		err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return fmt.Errorf("unable to load repo: %s", err)
+		}
+
+		list, err := deb.NewPackageListFromRefList(repo.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+		if err != nil {
+			return fmt.Errorf("unable to load packages: %s", err)
+		}
+
+		packageFiles, _ := deb.CollectPackageFiles([]string{changes.TempDir}, reporter)
+
+		var restriction deb.PackageQuery
+
+		restriction, err = changes.PackageQuery()
+		if err != nil {
+			failedFiles = append(failedFiles, path)
+			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
+			changes.Cleanup()
+			continue
+		}
+
+		var processedFiles2, failedFiles2 []string
+
+		processedFiles2, failedFiles2, err = deb.ImportPackageFiles(list, packageFiles, forceReplace, verifier, context.PackagePool(),
+			context.CollectionFactory().PackageCollection(), reporter, restriction)
+
+		if err != nil {
+			return fmt.Errorf("unable to import package files: %s", err)
+		}
+
+		repo.UpdateRefList(deb.NewPackageRefListFromPackageList(list))
+
+		err = context.CollectionFactory().LocalRepoCollection().Update(repo)
+		if err != nil {
+			return fmt.Errorf("unable to save: %s", err)
+		}
+
+		err = changes.Cleanup()
+		if err != nil {
+			return err
+		}
+
+		for _, file := range failedFiles2 {
+			failedFiles = append(failedFiles, filepath.Join(changes.BasePath, filepath.Base(file)))
+		}
+
+		for _, file := range processedFiles2 {
+			processedFiles = append(processedFiles, filepath.Join(changes.BasePath, filepath.Base(file)))
+		}
+
+		processedFiles = append(processedFiles, path)
+	}
+
+	if !noRemoveFiles {
+		processedFiles = utils.StrSliceDeduplicate(processedFiles)
+
+		for _, file := range processedFiles {
+			err := os.Remove(file)
+			if err != nil {
+				return fmt.Errorf("unable to remove file: %s", err)
+			}
+		}
+	}
+
+	if len(failedFiles) > 0 {
+		context.Progress().ColoredPrintf("@y[!]@| @!Some files were skipped due to errors:@|")
+		for _, file := range failedFiles {
+			context.Progress().ColoredPrintf("  %s", file)
+		}
+
+		return fmt.Errorf("some files failed to be added")
+	}
+
+	return err
+}
+
+func makeCmdRepoInclude() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoInclude,
+		UsageLine: "include <file.changes>|<directory> ...",
+		Short:     "add packages to local repositories based on .changes files",
+		Long: `
+Command include looks for .changes files in list of arguments or specified directories. Each
+.changes file is verified, parsed, referenced files are put into separate temporary directory
+and added into local repository. Successfully imported files are removed by default.
+
+Additionally uploads could be restricted with <uploaders.json> file. Rules in this file control
+uploads based on GPG key ID of .changes file signature and queries on .changes file fields.
+
+Example:
+
+  $ aptly repo include -repo=foo-release incoming/
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-include", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("no-remove-files", false, "don't remove files that have been imported successfully into repository")
+	cmd.Flag.Bool("force-replace", false, "when adding package that conflicts with existing package, remove existing package")
+	cmd.Flag.String("repo", "{{.Distribution}}", "which repo should files go to, defaults to Distribution field of .changes file")
+	cmd.Flag.Var(&keyRingsFlag{}, "keyring", "gpg keyring to use when verifying Release file (could be specified multiple times)")
+	cmd.Flag.Bool("ignore-signatures", false, "disable verification of .changes file signature")
+	cmd.Flag.Bool("accept-unsigned", false, "accept unsigned .changes files")
+	cmd.Flag.String("uploaders-file", "", "path to uploaders.json file")
+
+	return cmd
+}

cmd/repo_list.go

@@ -0,0 +1,78 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyRepoList(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	raw := cmd.Flag.Lookup("raw").Value.Get().(bool)
+
+	repos := make([]string, context.CollectionFactory().LocalRepoCollection().Len())
+	i := 0
+	context.CollectionFactory().LocalRepoCollection().ForEach(func(repo *deb.LocalRepo) error {
+		if raw {
+			repos[i] = repo.Name
+		} else {
+			err := context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+			if err != nil {
+				return err
+			}
+
+			repos[i] = fmt.Sprintf(" * %s (packages: %d)", repo.String(), repo.NumPackages())
+		}
+		i++
+		return nil
+	})
+
+	context.CloseDatabase()
+
+	sort.Strings(repos)
+
+	if raw {
+		for _, repo := range repos {
+			fmt.Printf("%s\n", repo)
+		}
+	} else {
+		if len(repos) > 0 {
+			fmt.Printf("List of local repos:\n")
+			for _, repo := range repos {
+				fmt.Println(repo)
+			}
+
+			fmt.Printf("\nTo get more information about local repository, run `aptly repo show <name>`.\n")
+		} else {
+			fmt.Printf("No local repositories found, create one with `aptly repo create ...`.\n")
+		}
+	}
+
+	return err
+}
+
+func makeCmdRepoList() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoList,
+		UsageLine: "list",
+		Short:     "list local repositories",
+		Long: `
+List command shows full list of local package repositories.
+
+Example:
+
+  $ aptly repo list
+`,
+	}
+
+	cmd.Flag.Bool("raw", false, "display list in machine-readable format")
+
+	return cmd
+}

cmd/repo_move.go

@@ -0,0 +1,192 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoMoveCopyImport(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 3 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	command := cmd.Name()
+
+	dstRepo, err := context.CollectionFactory().LocalRepoCollection().ByName(args[1])
+	if err != nil {
+		return fmt.Errorf("unable to %s: %s", command, err)
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().LoadComplete(dstRepo)
+	if err != nil {
+		return fmt.Errorf("unable to %s: %s", command, err)
+	}
+
+	var (
+		srcRefList *deb.PackageRefList
+		srcRepo    *deb.LocalRepo
+	)
+
+	if command == "copy" || command == "move" {
+		srcRepo, err = context.CollectionFactory().LocalRepoCollection().ByName(args[0])
+		if err != nil {
+			return fmt.Errorf("unable to %s: %s", command, err)
+		}
+
+		if srcRepo.UUID == dstRepo.UUID {
+			return fmt.Errorf("unable to %s: source and destination are the same", command)
+		}
+
+		err = context.CollectionFactory().LocalRepoCollection().LoadComplete(srcRepo)
+		if err != nil {
+			return fmt.Errorf("unable to %s: %s", command, err)
+		}
+
+		srcRefList = srcRepo.RefList()
+	} else if command == "import" {
+		var srcRemoteRepo *deb.RemoteRepo
+
+		srcRemoteRepo, err = context.CollectionFactory().RemoteRepoCollection().ByName(args[0])
+		if err != nil {
+			return fmt.Errorf("unable to %s: %s", command, err)
+		}
+
+		err = context.CollectionFactory().RemoteRepoCollection().LoadComplete(srcRemoteRepo)
+		if err != nil {
+			return fmt.Errorf("unable to %s: %s", command, err)
+		}
+
+		if srcRemoteRepo.RefList() == nil {
+			return fmt.Errorf("unable to %s: mirror not updated", command)
+		}
+
+		srcRefList = srcRemoteRepo.RefList()
+	} else {
+		panic("unexpected command")
+	}
+
+	context.Progress().Printf("Loading packages...\n")
+
+	dstList, err := deb.NewPackageListFromRefList(dstRepo.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	srcList, err := deb.NewPackageListFromRefList(srcRefList, context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	srcList.PrepareIndex()
+
+	var architecturesList []string
+
+	withDeps := context.Flags().Lookup("with-deps").Value.Get().(bool)
+
+	if withDeps {
+		dstList.PrepareIndex()
+
+		// Calculate architectures
+		if len(context.ArchitecturesList()) > 0 {
+			architecturesList = context.ArchitecturesList()
+		} else {
+			architecturesList = dstList.Architectures(false)
+		}
+
+		sort.Strings(architecturesList)
+
+		if len(architecturesList) == 0 {
+			return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
+		}
+	}
+
+	queries := make([]deb.PackageQuery, len(args)-2)
+	for i := 0; i < len(args)-2; i++ {
+		queries[i], err = query.Parse(args[i+2])
+		if err != nil {
+			return fmt.Errorf("unable to %s: %s", command, err)
+		}
+	}
+
+	toProcess, err := srcList.Filter(queries, withDeps, dstList, context.DependencyOptions(), architecturesList)
+	if err != nil {
+		return fmt.Errorf("unable to %s: %s", command, err)
+	}
+
+	var verb string
+
+	if command == "move" {
+		verb = "moved"
+	} else if command == "copy" {
+		verb = "copied"
+	} else if command == "import" {
+		verb = "imported"
+	}
+
+	err = toProcess.ForEach(func(p *deb.Package) error {
+		err = dstList.Add(p)
+		if err != nil {
+			return err
+		}
+
+		if command == "move" {
+			srcList.Remove(p)
+		}
+		context.Progress().ColoredPrintf("@g[o]@| %s %s", p, verb)
+		return nil
+	})
+	if err != nil {
+		return fmt.Errorf("unable to %s: %s", command, err)
+	}
+
+	if context.Flags().Lookup("dry-run").Value.Get().(bool) {
+		context.Progress().Printf("\nChanges not saved, as dry run has been requested.\n")
+	} else {
+		dstRepo.UpdateRefList(deb.NewPackageRefListFromPackageList(dstList))
+
+		err = context.CollectionFactory().LocalRepoCollection().Update(dstRepo)
+		if err != nil {
+			return fmt.Errorf("unable to save: %s", err)
+		}
+
+		if command == "move" {
+			srcRepo.UpdateRefList(deb.NewPackageRefListFromPackageList(srcList))
+
+			err = context.CollectionFactory().LocalRepoCollection().Update(srcRepo)
+			if err != nil {
+				return fmt.Errorf("unable to save: %s", err)
+			}
+		}
+	}
+
+	return err
+}
+
+func makeCmdRepoMove() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoMoveCopyImport,
+		UsageLine: "move <src-name> <dst-name> <package-query> ...",
+		Short:     "move packages between local repositories",
+		Long: `
+Command move moves packages matching <package-query> from local repo
+<src-name> to local repo <dst-name>.
+
+Example:
+
+  $ aptly repo move testing stable 'myapp (=0.1.12)'
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-move", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("dry-run", false, "don't move, just show what would be moved")
+	cmd.Flag.Bool("with-deps", false, "follow dependencies when processing package-spec")
+
+	return cmd
+}

cmd/repo_remove.go

@@ -0,0 +1,93 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoRemove(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().LocalRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to remove: %s", err)
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to remove: %s", err)
+	}
+
+	context.Progress().Printf("Loading packages...\n")
+
+	list, err := deb.NewPackageListFromRefList(repo.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	queries := make([]deb.PackageQuery, len(args)-1)
+	for i := 0; i < len(args)-1; i++ {
+		queries[i], err = query.Parse(args[i+1])
+		if err != nil {
+			return fmt.Errorf("unable to remove: %s", err)
+		}
+	}
+
+	list.PrepareIndex()
+	toRemove, err := list.Filter(queries, false, nil, 0, nil)
+	if err != nil {
+		return fmt.Errorf("unable to remove: %s", err)
+	}
+
+	toRemove.ForEach(func(p *deb.Package) error {
+		list.Remove(p)
+		context.Progress().ColoredPrintf("@r[-]@| %s removed", p)
+		return nil
+	})
+
+	if context.Flags().Lookup("dry-run").Value.Get().(bool) {
+		context.Progress().Printf("\nChanges not saved, as dry run has been requested.\n")
+	} else {
+		repo.UpdateRefList(deb.NewPackageRefListFromPackageList(list))
+
+		err = context.CollectionFactory().LocalRepoCollection().Update(repo)
+		if err != nil {
+			return fmt.Errorf("unable to save: %s", err)
+		}
+	}
+
+	return err
+}
+
+func makeCmdRepoRemove() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoRemove,
+		UsageLine: "remove <name> <package-query> ...",
+		Short:     "remove packages from local repository",
+		Long: `
+Commands removes packages matching <package-query> from local repository
+<name>. If removed packages are not referenced by other repos or
+snapshots, they can be removed completely (including files) by running
+'aptly db cleanup'.
+
+Example:
+
+  $ aptly repo remove testing 'myapp (=0.1.12)'
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-add", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("dry-run", false, "don't remove, just show what would be removed")
+
+	return cmd
+}

cmd/repo_rename.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlyRepoRename(cmd *commander.Command, args []string) error {
+	var (
+		err  error
+		repo *deb.LocalRepo
+	)
+
+	if len(args) != 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	oldName, newName := args[0], args[1]
+
+	repo, err = context.CollectionFactory().LocalRepoCollection().ByName(oldName)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	_, err = context.CollectionFactory().LocalRepoCollection().ByName(newName)
+	if err == nil {
+		return fmt.Errorf("unable to rename: local repo %s already exists", newName)
+	}
+
+	repo.Name = newName
+	err = context.CollectionFactory().LocalRepoCollection().Update(repo)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	fmt.Printf("\nLocal repo %s -> %s has been successfully renamed.\n", oldName, newName)
+
+	return err
+}
+
+func makeCmdRepoRename() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoRename,
+		UsageLine: "rename <old-name> <new-name>",
+		Short:     "renames local repository",
+		Long: `
+Command changes name of the local repo. Local repo name should be unique.
+
+Example:
+
+  $ aptly repo rename wheezy-min wheezy-main
+`,
+	}
+
+	return cmd
+
+}

cmd/repo_search.go

@@ -0,0 +1,29 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func makeCmdRepoSearch() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotMirrorRepoSearch,
+		UsageLine: "search <name> [<package-query>]",
+		Short:     "search repo for packages matching query",
+		Long: `
+Command search displays list of packages in local repository that match package query
+
+If query is not specified, all the packages are displayed.
+
+Example:
+
+    $ aptly repo search my-software '$Architecture (i386), Name (% *-dev)'
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-deps", false, "include dependencies into search results")
+	cmd.Flag.String("format", "", "custom format for result printing")
+
+	return cmd
+}

cmd/repo_show.go

@@ -0,0 +1,63 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyRepoShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	repo, err := context.CollectionFactory().LocalRepoCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	fmt.Printf("Name: %s\n", repo.Name)
+	fmt.Printf("Comment: %s\n", repo.Comment)
+	fmt.Printf("Default Distribution: %s\n", repo.DefaultDistribution)
+	fmt.Printf("Default Component: %s\n", repo.DefaultComponent)
+	if repo.Uploaders != nil {
+		fmt.Printf("Uploaders: %s\n", repo.Uploaders)
+	}
+	fmt.Printf("Number of packages: %d\n", repo.NumPackages())
+
+	withPackages := context.Flags().Lookup("with-packages").Value.Get().(bool)
+	if withPackages {
+		ListPackagesRefList(repo.RefList())
+	}
+
+	return err
+}
+
+func makeCmdRepoShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyRepoShow,
+		UsageLine: "show <name>",
+		Short:     "show details about local repository",
+		Long: `
+Show command shows full information about local package repository.
+
+ex:
+  $ aptly repo show testing
+`,
+		Flag: *flag.NewFlagSet("aptly-repo-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-packages", false, "show list of packages")
+
+	return cmd
+}

cmd/run.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	ctx "github.com/smira/aptly/context"
+	"github.com/smira/commander"
+)
+
+// Run runs single command starting from root cmd with args, optionally initializing context
+func Run(cmd *commander.Command, cmdArgs []string, initContext bool) (returnCode int) {
+	defer func() {
+		if r := recover(); r != nil {
+			fatal, ok := r.(*ctx.FatalError)
+			if !ok {
+				panic(r)
+			}
+			fmt.Fprintln(os.Stderr, "ERROR:", fatal.Message)
+			returnCode = fatal.ReturnCode
+		}
+	}()
+
+	returnCode = 0
+
+	flags, args, err := cmd.ParseFlags(cmdArgs)
+	if err != nil {
+		ctx.Fatal(err)
+	}
+
+	if initContext {
+		err = InitContext(flags)
+		if err != nil {
+			ctx.Fatal(err)
+		}
+		defer ShutdownContext()
+	}
+
+	context.UpdateFlags(flags)
+
+	err = cmd.Dispatch(args)
+	if err != nil {
+		ctx.Fatal(err)
+	}
+
+	return
+}

cmd/serve.go

@@ -0,0 +1,130 @@
+package cmd
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"sort"
+	"strings"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/utils"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlyServe(cmd *commander.Command, args []string) error {
+	var err error
+
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	// There are only two working options for aptly's rootDir:
+	//   1. rootDir does not exist, then we'll create it
+	//   2. rootDir exists and is writable
+	// anything else must fail.
+	// E.g.: Running the service under a different user may lead to a rootDir
+	// that exists but is not usable due to access permissions.
+	err = utils.DirIsAccessible(context.Config().RootDir)
+	if err != nil {
+		return err
+	}
+
+	if context.CollectionFactory().PublishedRepoCollection().Len() == 0 {
+		fmt.Printf("No published repositories, unable to serve.\n")
+		return nil
+	}
+
+	listen := context.Flags().Lookup("listen").Value.String()
+
+	listenHost, listenPort, err := net.SplitHostPort(listen)
+
+	if err != nil {
+		return fmt.Errorf("wrong -listen specification: %s", err)
+	}
+
+	if listenHost == "" {
+		listenHost, err = os.Hostname()
+		if err != nil {
+			listenHost = "localhost"
+		}
+	}
+
+	fmt.Printf("Serving published repositories, recommended apt sources list:\n\n")
+
+	sources := make(sort.StringSlice, 0, context.CollectionFactory().PublishedRepoCollection().Len())
+	published := make(map[string]*deb.PublishedRepo, context.CollectionFactory().PublishedRepoCollection().Len())
+
+	err = context.CollectionFactory().PublishedRepoCollection().ForEach(func(repo *deb.PublishedRepo) error {
+		err := context.CollectionFactory().PublishedRepoCollection().LoadComplete(repo, context.CollectionFactory())
+		if err != nil {
+			return err
+		}
+
+		sources = append(sources, repo.String())
+		published[repo.String()] = repo
+
+		return nil
+	})
+
+	if err != nil {
+		return fmt.Errorf("unable to serve: %s", err)
+	}
+
+	sort.Strings(sources)
+
+	for _, source := range sources {
+		repo := published[source]
+
+		prefix := repo.Prefix
+		if prefix == "." {
+			prefix = ""
+		} else {
+			prefix += "/"
+		}
+
+		fmt.Printf("# %s\ndeb http://%s:%s/%s %s %s\n",
+			repo, listenHost, listenPort, prefix, repo.Distribution, strings.Join(repo.Components(), " "))
+
+		if utils.StrSliceHasItem(repo.Architectures, "source") {
+			fmt.Printf("deb-src http://%s:%s/%s %s %s\n",
+				listenHost, listenPort, prefix, repo.Distribution, strings.Join(repo.Components(), " "))
+		}
+	}
+
+	publicPath := context.GetPublishedStorage("").(aptly.LocalPublishedStorage).PublicPath()
+	ShutdownContext()
+
+	fmt.Printf("\nStarting web server at: %s (press Ctrl+C to quit)...\n", listen)
+
+	err = http.ListenAndServe(listen, http.FileServer(http.Dir(publicPath)))
+	if err != nil {
+		return fmt.Errorf("unable to serve: %s", err)
+	}
+	return nil
+}
+
+func makeCmdServe() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyServe,
+		UsageLine: "serve",
+		Short:     "HTTP serve published repositories",
+		Long: `
+Command serve starts embedded HTTP server (not suitable for real production usage) to serve
+contents of public/ subdirectory of aptly's root that contains published repositories.
+
+Example:
+
+  $ aptly serve -listen=:8080
+`,
+		Flag: *flag.NewFlagSet("aptly-serve", flag.ExitOnError),
+	}
+
+	cmd.Flag.String("listen", ":8080", "host:port for HTTP listening")
+
+	return cmd
+}

cmd/snapshot.go

@@ -0,0 +1,25 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdSnapshot() *commander.Command {
+	return &commander.Command{
+		UsageLine: "snapshot",
+		Short:     "manage snapshots of repositories",
+		Subcommands: []*commander.Command{
+			makeCmdSnapshotCreate(),
+			makeCmdSnapshotList(),
+			makeCmdSnapshotShow(),
+			makeCmdSnapshotVerify(),
+			makeCmdSnapshotPull(),
+			makeCmdSnapshotDiff(),
+			makeCmdSnapshotMerge(),
+			makeCmdSnapshotDrop(),
+			makeCmdSnapshotRename(),
+			makeCmdSnapshotSearch(),
+			makeCmdSnapshotFilter(),
+		},
+	}
+}

cmd/snapshot_create.go

@@ -0,0 +1,109 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlySnapshotCreate(cmd *commander.Command, args []string) error {
+	var (
+		err      error
+		snapshot *deb.Snapshot
+	)
+
+	if len(args) == 4 && args[1] == "from" && args[2] == "mirror" {
+		// aptly snapshot create snap from mirror mirror
+		var repo *deb.RemoteRepo
+
+		repoName, snapshotName := args[3], args[0]
+
+		repo, err = context.CollectionFactory().RemoteRepoCollection().ByName(repoName)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		err = repo.CheckLock()
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		err = context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		snapshot, err = deb.NewSnapshotFromRepository(snapshotName, repo)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+	} else if len(args) == 4 && args[1] == "from" && args[2] == "repo" {
+		// aptly snapshot create snap from repo repo
+		var repo *deb.LocalRepo
+
+		localRepoName, snapshotName := args[3], args[0]
+
+		repo, err = context.CollectionFactory().LocalRepoCollection().ByName(localRepoName)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		snapshot, err = deb.NewSnapshotFromLocalRepo(snapshotName, repo)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+	} else if len(args) == 2 && args[1] == "empty" {
+		// aptly snapshot create snap empty
+		snapshotName := args[0]
+
+		packageList := deb.NewPackageList()
+
+		snapshot = deb.NewSnapshotFromPackageList(snapshotName, nil, packageList, "Created as empty")
+	} else {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().Add(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to add snapshot: %s", err)
+	}
+
+	fmt.Printf("\nSnapshot %s successfully created.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", snapshot.Name, snapshot.Name)
+
+	return err
+}
+
+func makeCmdSnapshotCreate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotCreate,
+		UsageLine: "create <name> from mirror <mirror-name> | from repo <repo-name> | empty",
+		Short:     "creates snapshot of mirror (local repository) contents",
+		Long: `
+Command create <name> from mirror makes persistent immutable snapshot of remote
+repository mirror. Snapshot could be published or further modified using
+merge, pull and other aptly features.
+
+Command create <name> from repo makes persistent immutable snapshot of local
+repository. Snapshot could be processed as mirror snapshots, and mixed with
+snapshots of remote mirrors.
+
+Command create <name> empty creates empty snapshot that could be used as a
+basis for snapshot pull operations, for example. As snapshots are immutable,
+creating one empty snapshot should be enough.
+
+Example:
+
+  $ aptly snapshot create wheezy-main-today from mirror wheezy-main
+`,
+	}
+
+	return cmd
+
+}

cmd/snapshot_diff.go

@@ -0,0 +1,112 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotDiff(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	onlyMatching := context.Flags().Lookup("only-matching").Value.Get().(bool)
+
+	// Load <name-a> snapshot
+	snapshotA, err := context.CollectionFactory().SnapshotCollection().ByName(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to load snapshot A: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshotA)
+	if err != nil {
+		return fmt.Errorf("unable to load snapshot A: %s", err)
+	}
+
+	// Load <name-b> snapshot
+	snapshotB, err := context.CollectionFactory().SnapshotCollection().ByName(args[1])
+	if err != nil {
+		return fmt.Errorf("unable to load snapshot B: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshotB)
+	if err != nil {
+		return fmt.Errorf("unable to load snapshot B: %s", err)
+	}
+
+	// Calculate diff
+	diff, err := snapshotA.RefList().Diff(snapshotB.RefList(), context.CollectionFactory().PackageCollection())
+	if err != nil {
+		return fmt.Errorf("unable to calculate diff: %s", err)
+	}
+
+	if len(diff) == 0 {
+		context.Progress().Printf("Snapshots are identical.\n")
+	} else {
+		context.Progress().Printf("  Arch   | Package                                  | Version in A                             | Version in B\n")
+		for _, pdiff := range diff {
+			if onlyMatching && (pdiff.Left == nil || pdiff.Right == nil) {
+				continue
+			}
+
+			var verA, verB, pkg, arch, code string
+
+			if pdiff.Left == nil {
+				verA = "-"
+				verB = pdiff.Right.Version
+				pkg = pdiff.Right.Name
+				arch = pdiff.Right.Architecture
+			} else {
+				pkg = pdiff.Left.Name
+				arch = pdiff.Left.Architecture
+				verA = pdiff.Left.Version
+				if pdiff.Right == nil {
+					verB = "-"
+				} else {
+					verB = pdiff.Right.Version
+				}
+			}
+
+			if pdiff.Left == nil {
+				code = "@g+@|"
+			} else {
+				if pdiff.Right == nil {
+					code = "@r-@|"
+				} else {
+					code = "@y!@|"
+				}
+			}
+
+			context.Progress().ColoredPrintf(code+" %-6s | %-40s | %-40s | %-40s", arch, pkg, verA, verB)
+		}
+	}
+
+	return err
+}
+
+func makeCmdSnapshotDiff() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotDiff,
+		UsageLine: "diff <name-a> <name-b>",
+		Short:     "difference between two snapshots",
+		Long: `
+Displays difference in packages between two snapshots. Snapshot is a list
+of packages, so difference between snapshots is a difference between package
+lists. Package could be either completely missing in one snapshot, or package
+is present in both snapshots with different versions.
+
+Example:
+
+    $ aptly snapshot diff -only-matching wheezy-main wheezy-backports
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-diff", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("only-matching", false, "display diff only for matching packages (don't display missing packages)")
+
+	return cmd
+}

cmd/snapshot_drop.go

@@ -0,0 +1,81 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotDrop(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	snapshot, err := context.CollectionFactory().SnapshotCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	published := context.CollectionFactory().PublishedRepoCollection().BySnapshot(snapshot)
+
+	if len(published) > 0 {
+		fmt.Printf("Snapshot `%s` is published currently:\n", snapshot.Name)
+		for _, repo := range published {
+			err = context.CollectionFactory().PublishedRepoCollection().LoadComplete(repo, context.CollectionFactory())
+			if err != nil {
+				return fmt.Errorf("unable to load published: %s", err)
+			}
+			fmt.Printf(" * %s\n", repo)
+		}
+
+		return fmt.Errorf("unable to drop: snapshot is published")
+	}
+
+	force := context.Flags().Lookup("force").Value.Get().(bool)
+	if !force {
+		snapshots := context.CollectionFactory().SnapshotCollection().BySnapshotSource(snapshot)
+		if len(snapshots) > 0 {
+			fmt.Printf("Snapshot `%s` was used as a source in following snapshots:\n", snapshot.Name)
+			for _, snap := range snapshots {
+				fmt.Printf(" * %s\n", snap)
+			}
+
+			return fmt.Errorf("won't delete snapshot that was used as source for other snapshots, use -force to override")
+		}
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().Drop(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to drop: %s", err)
+	}
+
+	fmt.Printf("Snapshot `%s` has been dropped.\n", snapshot.Name)
+
+	return err
+}
+
+func makeCmdSnapshotDrop() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotDrop,
+		UsageLine: "drop <name>",
+		Short:     "delete snapshot",
+		Long: `
+Drop removes information about a snapshot. If snapshot is published,
+it can't be dropped.
+
+Example:
+
+    $ aptly snapshot drop wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-drop", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("force", false, "remove snapshot even if it was used as source for other snapshots")
+
+	return cmd
+}

cmd/snapshot_filter.go

@@ -0,0 +1,108 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotFilter(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 3 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	withDeps := context.Flags().Lookup("with-deps").Value.Get().(bool)
+
+	// Load <source> snapshot
+	source, err := context.CollectionFactory().SnapshotCollection().ByName(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to filter: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(source)
+	if err != nil {
+		return fmt.Errorf("unable to filter: %s", err)
+	}
+
+	// Convert snapshot to package list
+	context.Progress().Printf("Loading packages (%d)...\n", source.RefList().Len())
+	packageList, err := deb.NewPackageListFromRefList(source.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	context.Progress().Printf("Building indexes...\n")
+	packageList.PrepareIndex()
+
+	// Calculate architectures
+	var architecturesList []string
+
+	if len(context.ArchitecturesList()) > 0 {
+		architecturesList = context.ArchitecturesList()
+	} else {
+		architecturesList = packageList.Architectures(false)
+	}
+
+	sort.Strings(architecturesList)
+
+	if len(architecturesList) == 0 && withDeps {
+		return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
+	}
+
+	// Initial queries out of arguments
+	queries := make([]deb.PackageQuery, len(args)-2)
+	for i, arg := range args[2:] {
+		queries[i], err = query.Parse(arg)
+		if err != nil {
+			return fmt.Errorf("unable to parse query: %s", err)
+		}
+	}
+
+	// Filter with dependencies as requested
+	result, err := packageList.Filter(queries, withDeps, nil, context.DependencyOptions(), architecturesList)
+	if err != nil {
+		return fmt.Errorf("unable to filter: %s", err)
+	}
+
+	// Create <destination> snapshot
+	destination := deb.NewSnapshotFromPackageList(args[1], []*deb.Snapshot{source}, result,
+		fmt.Sprintf("Filtered '%s', query was: '%s'", source.Name, strings.Join(args[2:], " ")))
+
+	err = context.CollectionFactory().SnapshotCollection().Add(destination)
+	if err != nil {
+		return fmt.Errorf("unable to create snapshot: %s", err)
+	}
+
+	context.Progress().Printf("\nSnapshot %s successfully filtered.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", destination.Name, destination.Name)
+
+	return err
+}
+
+func makeCmdSnapshotFilter() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotFilter,
+		UsageLine: "filter <source> <destination> <package-query> ...",
+		Short:     "filter packages in snapshot producing another snapshot",
+		Long: `
+Command filter does filtering in snapshot <source>, producing another
+snapshot <destination>. Packages could be specified simply
+as 'package-name' or as package queries.
+
+Example:
+
+    $ aptly snapshot filter wheezy-main wheezy-required 'Priorioty (required)'
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-filter", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-deps", false, "include dependent packages as well")
+
+	return cmd
+}

cmd/snapshot_list.go

@@ -0,0 +1,67 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlySnapshotList(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	raw := cmd.Flag.Lookup("raw").Value.Get().(bool)
+	sortMethodString := cmd.Flag.Lookup("sort").Value.Get().(string)
+
+	collection := context.CollectionFactory().SnapshotCollection()
+
+	if raw {
+		collection.ForEachSorted(sortMethodString, func(snapshot *deb.Snapshot) error {
+			fmt.Printf("%s\n", snapshot.Name)
+			return nil
+		})
+	} else {
+		if collection.Len() > 0 {
+			fmt.Printf("List of snapshots:\n")
+
+			err = collection.ForEachSorted(sortMethodString, func(snapshot *deb.Snapshot) error {
+				fmt.Printf(" * %s\n", snapshot.String())
+				return nil
+			})
+
+			if err != nil {
+				return err
+			}
+
+			fmt.Printf("\nTo get more information about snapshot, run `aptly snapshot show <name>`.\n")
+		} else {
+			fmt.Printf("\nNo snapshots found, create one with `aptly snapshot create...`.\n")
+		}
+	}
+
+	return err
+}
+
+func makeCmdSnapshotList() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotList,
+		UsageLine: "list",
+		Short:     "list snapshots",
+		Long: `
+Command list shows full list of snapshots created.
+
+Example:
+
+  $ aptly snapshot list
+`,
+	}
+
+	cmd.Flag.Bool("raw", false, "display list in machine-readable format")
+	cmd.Flag.String("sort", "name", "display list in 'name' or creation 'time' order")
+
+	return cmd
+}

cmd/snapshot_merge.go

@@ -0,0 +1,91 @@
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlySnapshotMerge(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	sources := make([]*deb.Snapshot, len(args)-1)
+
+	for i := 0; i < len(args)-1; i++ {
+		sources[i], err = context.CollectionFactory().SnapshotCollection().ByName(args[i+1])
+		if err != nil {
+			return fmt.Errorf("unable to load snapshot: %s", err)
+		}
+
+		err = context.CollectionFactory().SnapshotCollection().LoadComplete(sources[i])
+		if err != nil {
+			return fmt.Errorf("unable to load snapshot: %s", err)
+		}
+	}
+
+	latest := context.Flags().Lookup("latest").Value.Get().(bool)
+	noRemove := context.Flags().Lookup("no-remove").Value.Get().(bool)
+
+	if noRemove && latest {
+		return fmt.Errorf("-no-remove and -latest can't be specified together")
+	}
+
+	overrideMatching := !latest && !noRemove
+
+	result := sources[0].RefList()
+	for i := 1; i < len(sources); i++ {
+		result = result.Merge(sources[i].RefList(), overrideMatching, false)
+	}
+
+	if latest {
+		result.FilterLatestRefs()
+	}
+
+	sourceDescription := make([]string, len(sources))
+	for i, s := range sources {
+		sourceDescription[i] = fmt.Sprintf("'%s'", s.Name)
+	}
+
+	// Create <destination> snapshot
+	destination := deb.NewSnapshotFromRefList(args[0], sources, result,
+		fmt.Sprintf("Merged from sources: %s", strings.Join(sourceDescription, ", ")))
+
+	err = context.CollectionFactory().SnapshotCollection().Add(destination)
+	if err != nil {
+		return fmt.Errorf("unable to create snapshot: %s", err)
+	}
+
+	fmt.Printf("\nSnapshot %s successfully created.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", destination.Name, destination.Name)
+
+	return err
+}
+
+func makeCmdSnapshotMerge() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotMerge,
+		UsageLine: "merge <destination> <source> [<source>...]",
+		Short:     "merges snapshots",
+		Long: `
+Merge command merges several <source> snapshots into one <destination> snapshot.
+Merge happens from left to right. By default, packages with the same
+name-architecture pair are replaced during merge (package from latest snapshot
+on the list wins).  If run with only one source snapshot, merge copies <source> into
+<destination>.
+
+Example:
+
+    $ aptly snapshot merge wheezy-w-backports wheezy-main wheezy-backports
+`,
+	}
+
+	cmd.Flag.Bool("latest", false, "use only the latest version of each package")
+	cmd.Flag.Bool("no-remove", false, "don't remove duplicate arch/name packages")
+
+	return cmd
+}

cmd/snapshot_pull.go

@@ -0,0 +1,175 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotPull(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 4 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	noDeps := context.Flags().Lookup("no-deps").Value.Get().(bool)
+	noRemove := context.Flags().Lookup("no-remove").Value.Get().(bool)
+	allMatches := context.Flags().Lookup("all-matches").Value.Get().(bool)
+
+	// Load <name> snapshot
+	snapshot, err := context.CollectionFactory().SnapshotCollection().ByName(args[0])
+	if err != nil {
+		return fmt.Errorf("unable to pull: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to pull: %s", err)
+	}
+
+	// Load <source> snapshot
+	source, err := context.CollectionFactory().SnapshotCollection().ByName(args[1])
+	if err != nil {
+		return fmt.Errorf("unable to pull: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(source)
+	if err != nil {
+		return fmt.Errorf("unable to pull: %s", err)
+	}
+
+	context.Progress().Printf("Dependencies would be pulled into snapshot:\n    %s\nfrom snapshot:\n    %s\nand result would be saved as new snapshot %s.\n",
+		snapshot, source, args[2])
+
+	// Convert snapshot to package list
+	context.Progress().Printf("Loading packages (%d)...\n", snapshot.RefList().Len()+source.RefList().Len())
+	packageList, err := deb.NewPackageListFromRefList(snapshot.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	sourcePackageList, err := deb.NewPackageListFromRefList(source.RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	context.Progress().Printf("Building indexes...\n")
+	packageList.PrepareIndex()
+	sourcePackageList.PrepareIndex()
+
+	// Calculate architectures
+	var architecturesList []string
+
+	if len(context.ArchitecturesList()) > 0 {
+		architecturesList = context.ArchitecturesList()
+	} else {
+		architecturesList = packageList.Architectures(false)
+	}
+
+	sort.Strings(architecturesList)
+
+	if len(architecturesList) == 0 {
+		return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
+	}
+
+	// Build architecture query: (arch == "i386" | arch == "amd64" | ...)
+	var archQuery deb.PackageQuery = &deb.FieldQuery{Field: "$Architecture", Relation: deb.VersionEqual, Value: ""}
+	for _, arch := range architecturesList {
+		archQuery = &deb.OrQuery{L: &deb.FieldQuery{Field: "$Architecture", Relation: deb.VersionEqual, Value: arch}, R: archQuery}
+	}
+
+	// Initial queries out of arguments
+	queries := make([]deb.PackageQuery, len(args)-3)
+	for i, arg := range args[3:] {
+		queries[i], err = query.Parse(arg)
+		if err != nil {
+			return fmt.Errorf("unable to parse query: %s", err)
+		}
+		// Add architecture filter
+		queries[i] = &deb.AndQuery{L: queries[i], R: archQuery}
+	}
+
+	// Filter with dependencies as requested
+	result, err := sourcePackageList.Filter(queries, !noDeps, packageList, context.DependencyOptions(), architecturesList)
+	if err != nil {
+		return fmt.Errorf("unable to pull: %s", err)
+	}
+	result.PrepareIndex()
+
+	alreadySeen := map[string]bool{}
+
+	result.ForEachIndexed(func(pkg *deb.Package) error {
+		key := pkg.Architecture + "_" + pkg.Name
+		_, seen := alreadySeen[key]
+
+		// If we haven't seen such name-architecture pair and were instructed to remove, remove it
+		if !noRemove && !seen {
+			// Remove all packages with the same name and architecture
+			pS := packageList.Search(deb.Dependency{Architecture: pkg.Architecture, Pkg: pkg.Name}, true)
+			for _, p := range pS {
+				packageList.Remove(p)
+				context.Progress().ColoredPrintf("@r[-]@| %s removed", p)
+			}
+		}
+
+		// If !allMatches, add only first matching name-arch package
+		if !seen || allMatches {
+			packageList.Add(pkg)
+			context.Progress().ColoredPrintf("@g[+]@| %s added", pkg)
+		}
+
+		alreadySeen[key] = true
+
+		return nil
+	})
+	alreadySeen = nil
+
+	if context.Flags().Lookup("dry-run").Value.Get().(bool) {
+		context.Progress().Printf("\nNot creating snapshot, as dry run was requested.\n")
+	} else {
+		// Create <destination> snapshot
+		destination := deb.NewSnapshotFromPackageList(args[2], []*deb.Snapshot{snapshot, source}, packageList,
+			fmt.Sprintf("Pulled into '%s' with '%s' as source, pull request was: '%s'", snapshot.Name, source.Name, strings.Join(args[3:], " ")))
+
+		err = context.CollectionFactory().SnapshotCollection().Add(destination)
+		if err != nil {
+			return fmt.Errorf("unable to create snapshot: %s", err)
+		}
+
+		context.Progress().Printf("\nSnapshot %s successfully created.\nYou can run 'aptly publish snapshot %s' to publish snapshot as Debian repository.\n", destination.Name, destination.Name)
+	}
+	return err
+}
+
+func makeCmdSnapshotPull() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotPull,
+		UsageLine: "pull <name> <source> <destination> <package-query> ...",
+		Short:     "pull packages from another snapshot",
+		Long: `
+Command pull pulls new packages along with its' dependencies to snapshot <name>
+from snapshot <source>. Pull can upgrade package version in <name> with
+versions from <source> following dependencies. New snapshot <destination>
+is created as a result of this process. Packages could be specified simply
+as 'package-name' or as package queries.
+
+Example:
+
+    $ aptly snapshot pull wheezy-main wheezy-backports wheezy-new-xorg xorg-server-server
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-pull", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("dry-run", false, "don't create destination snapshot, just show what would be pulled")
+	cmd.Flag.Bool("no-deps", false, "don't process dependencies, just pull listed packages")
+	cmd.Flag.Bool("no-remove", false, "don't remove other package versions when pulling package")
+	cmd.Flag.Bool("all-matches", false, "pull all the packages that satisfy the dependency version requirements")
+
+	return cmd
+}

cmd/snapshot_rename.go

@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlySnapshotRename(cmd *commander.Command, args []string) error {
+	var (
+		err      error
+		snapshot *deb.Snapshot
+	)
+
+	if len(args) != 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	oldName, newName := args[0], args[1]
+
+	snapshot, err = context.CollectionFactory().SnapshotCollection().ByName(oldName)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	_, err = context.CollectionFactory().SnapshotCollection().ByName(newName)
+	if err == nil {
+		return fmt.Errorf("unable to rename: snapshot %s already exists", newName)
+	}
+
+	snapshot.Name = newName
+	err = context.CollectionFactory().SnapshotCollection().Update(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to rename: %s", err)
+	}
+
+	fmt.Printf("\nSnapshot %s -> %s has been successfully renamed.\n", oldName, newName)
+
+	return err
+}
+
+func makeCmdSnapshotRename() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotRename,
+		UsageLine: "rename <old-name> <new-name>",
+		Short:     "renames snapshot",
+		Long: `
+Command changes name of the snapshot. Snapshot name should be unique.
+
+Example:
+
+  $ aptly snapshot rename wheezy-min wheezy-main
+`,
+	}
+
+	return cmd
+
+}

cmd/snapshot_search.go

@@ -0,0 +1,139 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/aptly/query"
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotMirrorRepoSearch(cmd *commander.Command, args []string) error {
+	var (
+		err error
+		q   deb.PackageQuery
+	)
+
+	if len(args) < 1 || len(args) > 2 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+	command := cmd.Parent.Name()
+
+	var reflist *deb.PackageRefList
+
+	if command == "snapshot" {
+		snapshot, err := context.CollectionFactory().SnapshotCollection().ByName(name)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		reflist = snapshot.RefList()
+	} else if command == "mirror" {
+		repo, err := context.CollectionFactory().RemoteRepoCollection().ByName(name)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		err = context.CollectionFactory().RemoteRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		reflist = repo.RefList()
+	} else if command == "repo" {
+		repo, err := context.CollectionFactory().LocalRepoCollection().ByName(name)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		err = context.CollectionFactory().LocalRepoCollection().LoadComplete(repo)
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+
+		reflist = repo.RefList()
+	} else {
+		panic("unknown command")
+	}
+
+	list, err := deb.NewPackageListFromRefList(reflist, context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to search: %s", err)
+	}
+
+	list.PrepareIndex()
+
+	if len(args) == 2 {
+		q, err = query.Parse(args[1])
+		if err != nil {
+			return fmt.Errorf("unable to search: %s", err)
+		}
+	} else {
+		q = &deb.MatchAllQuery{}
+	}
+
+	withDeps := context.Flags().Lookup("with-deps").Value.Get().(bool)
+	architecturesList := []string{}
+
+	if withDeps {
+		if len(context.ArchitecturesList()) > 0 {
+			architecturesList = context.ArchitecturesList()
+		} else {
+			architecturesList = list.Architectures(false)
+		}
+
+		sort.Strings(architecturesList)
+
+		if len(architecturesList) == 0 {
+			return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
+		}
+	}
+
+	result, err := list.Filter([]deb.PackageQuery{q}, withDeps,
+		nil, context.DependencyOptions(), architecturesList)
+	if err != nil {
+		return fmt.Errorf("unable to search: %s", err)
+	}
+
+	if result.Len() == 0 {
+		return fmt.Errorf("no results")
+	}
+
+	format := context.Flags().Lookup("format").Value.String()
+	PrintPackageList(result, format)
+
+	return err
+}
+
+func makeCmdSnapshotSearch() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotMirrorRepoSearch,
+		UsageLine: "search <name> [<package-query>]",
+		Short:     "search snapshot for packages matching query",
+		Long: `
+Command search displays list of packages in snapshot that match package query
+
+If query is not specified, all the packages are displayed.
+
+Example:
+
+    $ aptly snapshot search wheezy-main '$Architecture (i386), Name (% *-dev)'
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-search", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-deps", false, "include dependencies into search results")
+	cmd.Flag.String("format", "", "custom format for result printing")
+
+	return cmd
+}

cmd/snapshot_show.go

@@ -0,0 +1,89 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/commander"
+	"github.com/smira/flag"
+)
+
+func aptlySnapshotShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	name := args[0]
+
+	snapshot, err := context.CollectionFactory().SnapshotCollection().ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	fmt.Printf("Name: %s\n", snapshot.Name)
+	fmt.Printf("Created At: %s\n", snapshot.CreatedAt.Format("2006-01-02 15:04:05 MST"))
+	fmt.Printf("Description: %s\n", snapshot.Description)
+	fmt.Printf("Number of packages: %d\n", snapshot.NumPackages())
+	if len(snapshot.SourceIDs) > 0 {
+		fmt.Printf("Sources:\n")
+		for _, sourceID := range snapshot.SourceIDs {
+			var name string
+			if snapshot.SourceKind == "snapshot" {
+				source, err := context.CollectionFactory().SnapshotCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			} else if snapshot.SourceKind == "local" {
+				source, err := context.CollectionFactory().LocalRepoCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			} else if snapshot.SourceKind == "repo" {
+				source, err := context.CollectionFactory().RemoteRepoCollection().ByUUID(sourceID)
+				if err != nil {
+					continue
+				}
+				name = source.Name
+			}
+
+			if name != "" {
+				fmt.Printf("  %s [%s]\n", name, snapshot.SourceKind)
+			}
+		}
+	}
+
+	withPackages := context.Flags().Lookup("with-packages").Value.Get().(bool)
+	if withPackages {
+		ListPackagesRefList(snapshot.RefList())
+	}
+
+	return err
+}
+
+func makeCmdSnapshotShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotShow,
+		UsageLine: "show <name>",
+		Short:     "shows details about snapshot",
+		Long: `
+Command show displays full information about a snapshot.
+
+Example:
+
+    $ aptly snapshot show wheezy-main
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-show", flag.ExitOnError),
+	}
+
+	cmd.Flag.Bool("with-packages", false, "show list of packages")
+
+	return cmd
+}

cmd/snapshot_verify.go

@@ -0,0 +1,116 @@
+package cmd
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/smira/aptly/deb"
+	"github.com/smira/commander"
+)
+
+func aptlySnapshotVerify(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) < 1 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	snapshots := make([]*deb.Snapshot, len(args))
+	for i := range snapshots {
+		snapshots[i], err = context.CollectionFactory().SnapshotCollection().ByName(args[i])
+		if err != nil {
+			return fmt.Errorf("unable to verify: %s", err)
+		}
+
+		err = context.CollectionFactory().SnapshotCollection().LoadComplete(snapshots[i])
+		if err != nil {
+			return fmt.Errorf("unable to verify: %s", err)
+		}
+	}
+
+	context.Progress().Printf("Loading packages...\n")
+
+	packageList, err := deb.NewPackageListFromRefList(snapshots[0].RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to load packages: %s", err)
+	}
+
+	sourcePackageList := deb.NewPackageList()
+	err = sourcePackageList.Append(packageList)
+	if err != nil {
+		return fmt.Errorf("unable to merge sources: %s", err)
+	}
+
+	var pL *deb.PackageList
+	for i := 1; i < len(snapshots); i++ {
+		pL, err = deb.NewPackageListFromRefList(snapshots[i].RefList(), context.CollectionFactory().PackageCollection(), context.Progress())
+		if err != nil {
+			return fmt.Errorf("unable to load packages: %s", err)
+		}
+
+		err = sourcePackageList.Append(pL)
+		if err != nil {
+			return fmt.Errorf("unable to merge sources: %s", err)
+		}
+	}
+
+	sourcePackageList.PrepareIndex()
+
+	var architecturesList []string
+
+	if len(context.ArchitecturesList()) > 0 {
+		architecturesList = context.ArchitecturesList()
+	} else {
+		architecturesList = packageList.Architectures(true)
+	}
+
+	if len(architecturesList) == 0 {
+		return fmt.Errorf("unable to determine list of architectures, please specify explicitly")
+	}
+
+	context.Progress().Printf("Verifying...\n")
+
+	missing, err := packageList.VerifyDependencies(context.DependencyOptions(), architecturesList, sourcePackageList, context.Progress())
+	if err != nil {
+		return fmt.Errorf("unable to verify dependencies: %s", err)
+	}
+
+	if len(missing) == 0 {
+		context.Progress().Printf("All dependencies are satisfied.\n")
+	} else {
+		context.Progress().Printf("Missing dependencies (%d):\n", len(missing))
+		deps := make([]string, len(missing))
+		i := 0
+		for _, dep := range missing {
+			deps[i] = dep.String()
+			i++
+		}
+
+		sort.Strings(deps)
+
+		for _, dep := range deps {
+			context.Progress().Printf("  %s\n", dep)
+		}
+	}
+
+	return err
+}
+
+func makeCmdSnapshotVerify() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotVerify,
+		UsageLine: "verify <name> [<source> ...]",
+		Short:     "verify dependencies in snapshot",
+		Long: `
+Verify does dependency resolution in snapshot <name>, possibly using additional
+snapshots <source> as dependency sources. All unsatisfied dependencies are
+printed.
+
+Example:
+
+    $ aptly snapshot verify wheezy-main wheezy-contrib wheezy-non-free
+`,
+	}
+
+	return cmd
+}

cmd/task.go

@@ -0,0 +1,15 @@
+package cmd
+
+import (
+	"github.com/smira/commander"
+)
+
+func makeCmdTask() *commander.Command {
+	return &commander.Command{
+		UsageLine: "task",
+		Short:     "manage aptly tasks",
+		Subcommands: []*commander.Command{
+			makeCmdTaskRun(),
+		},
+	}
+}

cmd/task_run.go

@@ -0,0 +1,154 @@
+package cmd
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/mattn/go-shellwords"
+	"github.com/smira/commander"
+)
+
+func aptlyTaskRun(cmd *commander.Command, args []string) error {
+	var err error
+	var cmdList [][]string
+
+	if filename := cmd.Flag.Lookup("filename").Value.Get().(string); filename != "" {
+		var text string
+		cmdArgs := []string{}
+
+		var finfo os.FileInfo
+		if finfo, err = os.Stat(filename); os.IsNotExist(err) || finfo.IsDir() {
+			return fmt.Errorf("no such file, %s", filename)
+		}
+
+		fmt.Print("Reading file...\n\n")
+
+		var file *os.File
+		file, err = os.Open(filename)
+
+		if err != nil {
+			return err
+		}
+		defer file.Close()
+
+		scanner := bufio.NewScanner(file)
+
+		for scanner.Scan() {
+			text = strings.TrimSpace(scanner.Text()) + ","
+			parsedArgs, _ := shellwords.Parse(text)
+			cmdArgs = append(cmdArgs, parsedArgs...)
+		}
+
+		if err = scanner.Err(); err != nil {
+			return err
+		}
+
+		if len(cmdArgs) == 0 {
+			return fmt.Errorf("the file is empty")
+		}
+
+		cmdList = formatCommands(cmdArgs)
+	} else if len(args) == 0 {
+		var text string
+		cmdArgs := []string{}
+
+		fmt.Println("Please enter one command per line and leave one blank when finished.")
+
+		reader := bufio.NewReader(os.Stdin)
+		for {
+			fmt.Printf("> ")
+			text, _ = reader.ReadString('\n')
+			if text == "\n" {
+				break
+			} else {
+				text = strings.TrimSpace(text) + ","
+				parsedArgs, _ := shellwords.Parse(text)
+				cmdArgs = append(cmdArgs, parsedArgs...)
+			}
+		}
+
+		if len(cmdArgs) == 0 {
+			return fmt.Errorf("nothing entered")
+		}
+
+		cmdList = formatCommands(cmdArgs)
+	} else {
+		cmdList = formatCommands(args)
+	}
+
+	commandErrored := false
+
+	for i, command := range cmdList {
+		if !commandErrored {
+			err := context.ReOpenDatabase()
+			if err != nil {
+				return fmt.Errorf("failed to reopen DB: %s", err)
+			}
+			context.Progress().ColoredPrintf("@g%d) [Running]: %s@!", (i + 1), strings.Join(command, " "))
+			context.Progress().ColoredPrintf("\n@yBegin command output: ----------------------------@!")
+			context.Progress().Flush()
+
+			returnCode := Run(RootCommand(), command, false)
+			if returnCode != 0 {
+				commandErrored = true
+			}
+			context.Progress().ColoredPrintf("\n@yEnd command output: ------------------------------@!")
+			CleanupContext()
+		} else {
+			context.Progress().ColoredPrintf("@r%d) [Skipping]: %s@!", (i + 1), strings.Join(command, " "))
+		}
+	}
+
+	if commandErrored {
+		err = fmt.Errorf("at least one command has reported an error")
+	}
+
+	return err
+}
+
+func formatCommands(args []string) [][]string {
+	var cmd []string
+	var cmdArray [][]string
+
+	for _, s := range args {
+		if sTrimmed := strings.TrimRight(s, ","); sTrimmed != s {
+			cmd = append(cmd, sTrimmed)
+			cmdArray = append(cmdArray, cmd)
+			cmd = []string{}
+		} else {
+			cmd = append(cmd, s)
+		}
+	}
+
+	if len(cmd) > 0 {
+		cmdArray = append(cmdArray, cmd)
+	}
+
+	return cmdArray
+}
+
+func makeCmdTaskRun() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlyTaskRun,
+		UsageLine: "run -filename=<filename> | <command1>, <command2>, ...",
+		Short:     "run aptly tasks",
+		Long: `
+Command helps organise multiple aptly commands in one single aptly task, running as single thread.
+
+Example:
+
+	  $ aptly task run
+	  > repo create local
+	  > repo add local pkg1
+	  > publish repo local
+	  > serve
+	  >
+
+`,
+	}
+
+	cmd.Flag.String("filename", "", "specifies the filename that contains the commands to run")
+	return cmd
+}

cmd/version.go

@@ -0,0 +1,32 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/smira/aptly/aptly"
+	"github.com/smira/commander"
+)
+
+func aptlyVersion(cmd *commander.Command, args []string) error {
+	if len(args) != 0 {
+		cmd.Usage()
+		return commander.ErrCommandError
+	}
+
+	fmt.Printf("aptly version: %s\n", aptly.Version)
+	return nil
+}
+
+func makeCmdVersion() *commander.Command {
+	return &commander.Command{
+		Run:       aptlyVersion,
+		UsageLine: "version",
+		Short:     "display version",
+		Long: `
+Shows aptly version.
+
+ex:
+  $ aptly version
+`,
+	}
+}