Allow editing of mirror archive url

This is needed in case a mirror has moved or is down and need to move
to new mirror.

cmd/mirror_edit.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"fmt"
 
+	"github.com/smira/aptly/pgp"
 	"github.com/smira/aptly/query"
 	"github.com/smira/commander"
 	"github.com/smira/flag"
@@ -25,6 +26,7 @@ func aptlyMirrorEdit(cmd *commander.Command, args []string) error {
 		return fmt.Errorf("unable to edit: %s", err)
 	}
 
+	fetchMirror := false
 	context.Flags().Visit(func(flag *flag.Flag) {
 		switch flag.Name {
 		case "filter":
@@ -35,6 +37,9 @@ func aptlyMirrorEdit(cmd *commander.Command, args []string) error {
 			repo.DownloadSources = flag.Value.Get().(bool)
 		case "with-udebs":
 			repo.DownloadUdebs = flag.Value.Get().(bool)
+		case "archive-url":
+			repo.ArchiveRoot = flag.Value.String()
+			fetchMirror = true
 		}
 	})
 
@@ -51,8 +56,17 @@ func aptlyMirrorEdit(cmd *commander.Command, args []string) error {
 
 	if context.GlobalFlags().Lookup("architectures").Value.String() != "" {
 		repo.Architectures = context.ArchitecturesList()
+		fetchMirror = true
+	}
 
-		err = repo.Fetch(context.Downloader(), nil)
+	if fetchMirror {
+		var verifier pgp.Verifier
+		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 edit: %s", err)
 		}
@@ -83,10 +97,13 @@ Example:
 		Flag: *flag.NewFlagSet("aptly-mirror-edit", flag.ExitOnError),
 	}
 
+	cmd.Flag.String("archive-url", "", "archive url is the root of archive")
 	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("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.Var(&keyRingsFlag{}, "keyring", "gpg keyring to use when verifying Release file (could be specified multiple times)")
 
 	return cmd
 }