go1.24: fix lint, unit and system tests

- development env: base on debian trixie with go1.24
- lint: run with default config
- fix lint errors
- fix unit tests
- fix system test

deb/changes.go

@@ -60,14 +60,14 @@ func (c *Changes) VerifyAndParse(acceptUnsigned, ignoreSignature bool, verifier
 	if err != nil {
 		return err
 	}
-	defer input.Close()
+	defer func() { _ = input.Close() }()
 
 	isClearSigned, err := verifier.IsClearSigned(input)
 	if err != nil {
 		return err
 	}
 
-	input.Seek(0, 0)
+	_, _ = input.Seek(0, 0)
 
 	if !isClearSigned && !acceptUnsigned {
 		return fmt.Errorf(".changes file is not signed and unsigned processing hasn't been enabled")
@@ -79,7 +79,7 @@ func (c *Changes) VerifyAndParse(acceptUnsigned, ignoreSignature bool, verifier
 		if err != nil {
 			return err
 		}
-		input.Seek(0, 0)
+		_, _ = input.Seek(0, 0)
 
 		c.SignatureKeys = keyInfo.GoodKeys
 	}
@@ -91,7 +91,7 @@ func (c *Changes) VerifyAndParse(acceptUnsigned, ignoreSignature bool, verifier
 		if err != nil {
 			return err
 		}
-		defer text.Close()
+		defer func() { _ = text.Close() }()
 	} else {
 		text = input
 	}
@@ -307,7 +307,7 @@ func ImportChangesFiles(changesFiles []string, reporter aptly.ResultReporter, ac
 		if err != nil {
 			failedFiles = append(failedFiles, path)
 			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
-			changes.Cleanup()
+			_ = changes.Cleanup()
 			continue
 		}
 
@@ -315,7 +315,7 @@ func ImportChangesFiles(changesFiles []string, reporter aptly.ResultReporter, ac
 		if err != nil {
 			failedFiles = append(failedFiles, path)
 			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
-			changes.Cleanup()
+			_ = changes.Cleanup()
 			continue
 		}
 
@@ -334,7 +334,7 @@ func ImportChangesFiles(changesFiles []string, reporter aptly.ResultReporter, ac
 		if err != nil {
 			failedFiles = append(failedFiles, path)
 			reporter.Warning("unable to process file %s: %s", changes.ChangesName, err)
-			changes.Cleanup()
+			_ = changes.Cleanup()
 			continue
 		}
 
@@ -354,7 +354,7 @@ func ImportChangesFiles(changesFiles []string, reporter aptly.ResultReporter, ac
 				failedFiles = append(failedFiles, path)
 				reporter.Warning("changes file skipped due to uploaders config: %s, keys %#v: %s",
 					changes.ChangesName, changes.SignatureKeys, err)
-				changes.Cleanup()
+				_ = changes.Cleanup()
 				continue
 			}
 		}

deb/changes_test.go

@@ -51,7 +51,7 @@ func (s *ChangesSuite) SetUpTest(c *C) {
 
 func (s *ChangesSuite) TearDownTest(c *C) {
 	s.progress.Shutdown()
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *ChangesSuite) TestParseAndVerify(c *C) {
@@ -108,13 +108,13 @@ func (s *ChangesSuite) TestImportChangesFiles(c *C) {
 
 	for _, path := range origFailedFiles {
 		filename := filepath.Join(s.Dir, filepath.Base(path))
-		utils.CopyFile(path, filename)
+		_ = utils.CopyFile(path, filename)
 		expectedFailedFiles = append(expectedFailedFiles, filename)
 	}
 
 	for _, path := range origProcessedFiles {
 		filename := filepath.Join(s.Dir, filepath.Base(path))
-		utils.CopyFile(path, filename)
+		_ = utils.CopyFile(path, filename)
 		expectedProcessedFiles = append(expectedProcessedFiles, filename)
 	}
 

deb/checksum_collection_test.go

@@ -28,7 +28,7 @@ func (s *ChecksumCollectionSuite) SetUpTest(c *C) {
 }
 
 func (s *ChecksumCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *ChecksumCollectionSuite) TestFlow(c *C) {

deb/deb.go

@@ -17,7 +17,7 @@ import (
 	"github.com/aptly-dev/aptly/pgp"
 	"github.com/kjk/lzma"
 	"github.com/klauspost/compress/zstd"
-	"github.com/smira/go-xz"
+	xz "github.com/smira/go-xz"
 )
 
 // Source kinds
@@ -35,7 +35,7 @@ func GetControlFileFromDeb(packageFile string) (Stanza, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	library := ar.NewReader(file)
 	for {
@@ -66,14 +66,14 @@ func GetControlFileFromDeb(packageFile string) (Stanza, error) {
 				if err != nil {
 					return nil, errors.Wrapf(err, "unable to ungzip %s from %s", header.Name, packageFile)
 				}
-				defer ungzip.Close()
+				defer func() { _ = ungzip.Close() }()
 				tarInput = ungzip
 			case "control.tar.xz":
 				unxz, err := xz.NewReader(bufReader)
 				if err != nil {
 					return nil, errors.Wrapf(err, "unable to unxz %s from %s", header.Name, packageFile)
 				}
-				defer unxz.Close()
+				defer func() { _ = unxz.Close() }()
 				tarInput = unxz
 			case "control.tar.zst":
 				unzstd, err := zstd.NewReader(bufReader)
@@ -116,10 +116,10 @@ func GetControlFileFromDsc(dscFile string, verifier pgp.Verifier) (Stanza, error
 	if err != nil {
 		return nil, err
 	}
-	defer file.Close()
+	defer func() { _ = file.Close() }()
 
 	isClearSigned, err := verifier.IsClearSigned(file)
-	file.Seek(0, 0)
+	_, _ = file.Seek(0, 0)
 
 	if err != nil {
 		return nil, err
@@ -132,7 +132,7 @@ func GetControlFileFromDsc(dscFile string, verifier pgp.Verifier) (Stanza, error
 		if err != nil {
 			return nil, err
 		}
-		defer text.Close()
+		defer func() { _ = text.Close() }()
 	} else {
 		text = file
 	}
@@ -181,7 +181,7 @@ func GetContentsFromDeb(file io.Reader, packageFile string) ([]string, error) {
 					if err != nil {
 						return nil, errors.Wrapf(err, "unable to ungzip data.tar.gz from %s", packageFile)
 					}
-					defer ungzip.Close()
+					defer func() { _ = ungzip.Close() }()
 					tarInput = ungzip
 				}
 			case "data.tar.bz2":
@@ -191,11 +191,11 @@ func GetContentsFromDeb(file io.Reader, packageFile string) ([]string, error) {
 				if err != nil {
 					return nil, errors.Wrapf(err, "unable to unxz data.tar.xz from %s", packageFile)
 				}
-				defer unxz.Close()
+				defer func() { _ = unxz.Close() }()
 				tarInput = unxz
 			case "data.tar.lzma":
 				unlzma := lzma.NewReader(bufReader)
-				defer unlzma.Close()
+				defer func() { _ = unlzma.Close() }()
 				tarInput = unlzma
 			case "data.tar.zst":
 				unzstd, err := zstd.NewReader(bufReader)

deb/format_test.go

@@ -163,7 +163,7 @@ func (s *ControlFileSuite) TestCanonicalCase(c *C) {
 func (s *ControlFileSuite) TestLongFields(c *C) {
 	f, err := os.Open("long.stanza")
 	c.Assert(err, IsNil)
-	defer f.Close()
+	defer func() { _ = f.Close() }()
 
 	r := NewControlFileReader(f, false, false)
 	stanza, e := r.ReadStanza()

deb/graph.go

@@ -12,15 +12,15 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 	var err error
 
 	graph := gographviz.NewEscape()
-	graph.SetDir(true)
-	graph.SetName("aptly")
+	_ = graph.SetDir(true)
+	_ = graph.SetName("aptly")
 
 	var labelStart string
 	var labelEnd string
 
 	switch layout {
 	case "vertical":
-		graph.AddAttr("aptly", "rankdir", "LR")
+		_ = graph.AddAttr("aptly", "rankdir", "LR")
 		labelStart = ""
 		labelEnd = ""
 	case "horizontal":
@@ -38,7 +38,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 			return e
 		}
 
-		graph.AddNode("aptly", repo.UUID, map[string]string{
+		_ = graph.AddNode("aptly", repo.UUID, map[string]string{
 			"shape":     "Mrecord",
 			"style":     "filled",
 			"fillcolor": "darkgoldenrod1",
@@ -60,7 +60,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 			return e
 		}
 
-		graph.AddNode("aptly", repo.UUID, map[string]string{
+		_ = graph.AddNode("aptly", repo.UUID, map[string]string{
 			"shape":     "Mrecord",
 			"style":     "filled",
 			"fillcolor": "mediumseagreen",
@@ -75,7 +75,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 		return nil, err
 	}
 
-	collectionFactory.SnapshotCollection().ForEach(func(snapshot *Snapshot) error {
+	_ = collectionFactory.SnapshotCollection().ForEach(func(snapshot *Snapshot) error {
 		existingNodes[snapshot.UUID] = true
 		return nil
 	})
@@ -91,7 +91,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 			description = "Snapshot from repo"
 		}
 
-		graph.AddNode("aptly", snapshot.UUID, map[string]string{
+		_ = graph.AddNode("aptly", snapshot.UUID, map[string]string{
 			"shape":     "Mrecord",
 			"style":     "filled",
 			"fillcolor": "cadetblue1",
@@ -103,7 +103,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 			for _, uuid := range snapshot.SourceIDs {
 				_, exists := existingNodes[uuid]
 				if exists {
-					graph.AddEdge(uuid, snapshot.UUID, true, nil)
+					_ = graph.AddEdge(uuid, snapshot.UUID, true, nil)
 				}
 			}
 		}
@@ -114,8 +114,8 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 		return nil, err
 	}
 
-	collectionFactory.PublishedRepoCollection().ForEach(func(repo *PublishedRepo) error {
-		graph.AddNode("aptly", repo.UUID, map[string]string{
+	_ = collectionFactory.PublishedRepoCollection().ForEach(func(repo *PublishedRepo) error {
+		_ = graph.AddNode("aptly", repo.UUID, map[string]string{
 			"shape":     "Mrecord",
 			"style":     "filled",
 			"fillcolor": "darkolivegreen1",
@@ -127,7 +127,7 @@ func BuildGraph(collectionFactory *CollectionFactory, layout string) (gographviz
 		for _, uuid := range repo.Sources {
 			_, exists := existingNodes[uuid]
 			if exists {
-				graph.AddEdge(uuid, repo.UUID, true, nil)
+				_ = graph.AddEdge(uuid, repo.UUID, true, nil)
 			}
 		}
 

deb/index_files.go

@@ -59,24 +59,24 @@ func (file *indexFile) Finalize(signer pgp.Signer) error {
 		if file.discardable {
 			return nil
 		}
-		file.BufWriter()
+		_, _ = file.BufWriter()
 	}
 
 	err := file.w.Flush()
 	if err != nil {
-		file.tempFile.Close()
+		_ = file.tempFile.Close()
 		return fmt.Errorf("unable to write to index file: %s", err)
 	}
 
 	if file.compressable {
 		err = utils.CompressFile(file.tempFile, file.onlyGzip || file.parent.skipBz2)
 		if err != nil {
-			file.tempFile.Close()
+			_ = file.tempFile.Close()
 			return fmt.Errorf("unable to compress index file: %s", err)
 		}
 	}
 
-	file.tempFile.Close()
+	_ = file.tempFile.Close()
 
 	exts := []string{""}
 	cksumExts := exts
@@ -220,11 +220,11 @@ func packageIndexByHash(file *indexFile, ext string, hash string, sum string) er
 				// If we managed to resolve the link target: delete it. This is the
 				// oldest physical index file we no longer need. Once we drop our
 				// old symlink we'll essentially forget about it existing at all.
-				file.parent.publishedStorage.Remove(linkTarget)
+				_ = file.parent.publishedStorage.Remove(linkTarget)
 			}
-			file.parent.publishedStorage.Remove(oldIndexPath)
+			_ = file.parent.publishedStorage.Remove(oldIndexPath)
 		}
-		file.parent.publishedStorage.RenameFile(indexPath, oldIndexPath)
+		_ = file.parent.publishedStorage.RenameFile(indexPath, oldIndexPath)
 	}
 
 	// create symlink

deb/list.go

@@ -438,7 +438,7 @@ func (l *PackageList) Scan(q PackageQuery) (result *PackageList) {
 	result = NewPackageListWithDuplicates(l.duplicatesAllowed, 0)
 	for _, pkg := range l.packages {
 		if q.Matches(pkg) {
-			result.Add(pkg)
+			_ = result.Add(pkg)
 		}
 	}
 
@@ -456,7 +456,7 @@ func (l *PackageList) SearchByKey(arch, name, version string) (result *PackageLi
 
 	pkg := l.packages["P"+arch+" "+name+" "+version]
 	if pkg != nil {
-		result.Add(pkg)
+		_ = result.Add(pkg)
 	}
 
 	return

deb/list_test.go

@@ -96,7 +96,7 @@ func (s *PackageListSuite) SetUpTest(c *C) {
 		{Name: "dpkg", Version: "1.7", Architecture: "source", SourceArchitecture: "any", IsSource: true, deps: &PackageDependencies{}},
 	}
 	for _, p := range s.packages {
-		s.il.Add(p)
+		_ = s.il.Add(p)
 	}
 	s.il.PrepareIndex()
 
@@ -110,7 +110,7 @@ func (s *PackageListSuite) SetUpTest(c *C) {
 		{Name: "app", Version: "3.0", Architecture: "amd64", deps: &PackageDependencies{PreDepends: []string{"dpkg >= 1.6)"}, Depends: []string{"lib (>> 0.9)", "data (>= 1.0)"}}},
 	}
 	for _, p := range s.packages2 {
-		s.il2.Add(p)
+		_ = s.il2.Add(p)
 	}
 	s.il2.PrepareIndex()
 
@@ -202,8 +202,8 @@ func (s *PackageListSuite) TestRemoveWhenIndexed(c *C) {
 }
 
 func (s *PackageListSuite) TestForeach(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
 
 	Len := 0
 	err := s.list.ForEach(func(*Package) error {
@@ -232,21 +232,21 @@ func (s *PackageListSuite) TestIndex(c *C) {
 }
 
 func (s *PackageListSuite) TestAppend(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
 
 	err := s.list.Append(s.il)
 	c.Check(err, IsNil)
 	c.Check(s.list.Len(), Equals, 16)
 
 	list := NewPackageList()
-	list.Add(s.p4)
+	_ = list.Add(s.p4)
 
 	err = s.list.Append(list)
 	c.Check(err, ErrorMatches, "package already exists and is different: .*")
 
 	s.list.PrepareIndex()
-	c.Check(func() { s.list.Append(s.il) }, Panics, "Append not supported when indexed")
+	c.Check(func() { _ = s.list.Append(s.il) }, Panics, "Append not supported when indexed")
 }
 
 func (s *PackageListSuite) TestSearch(c *C) {
@@ -312,7 +312,7 @@ func (s *PackageListSuite) TestSearch(c *C) {
 
 func (s *PackageListSuite) TestFilter(c *C) {
 	c.Check(func() {
-		s.list.Filter(FilterOptions{
+		_, _ = s.list.Filter(FilterOptions{
 			Queries: []PackageQuery{&PkgQuery{"abcd", "0.3", "i386"}},
 		})
 	}, Panics, "list not indexed, can't filter")
@@ -479,7 +479,7 @@ func (s *PackageListSuite) TestVerifyDependencies(c *C) {
 		{Pkg: "mail-agent", Relation: VersionDontCare, Version: "", Architecture: "arm"}})
 
 	for _, p := range s.sourcePackages {
-		s.il.Add(p)
+		_ = s.il.Add(p)
 	}
 
 	missing, err = s.il.VerifyDependencies(DepFollowSource, []string{"i386", "amd64"}, s.il, nil)

deb/local.go

@@ -69,7 +69,7 @@ func (repo *LocalRepo) Encode() []byte {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(repo)
+	_ = encoder.Encode(repo)
 
 	return buf.Bytes()
 }
@@ -116,7 +116,7 @@ func (collection *LocalRepoCollection) search(filter func(*LocalRepo) bool, uniq
 		return result
 	}
 
-	collection.db.ProcessByPrefix([]byte("L"), func(_, blob []byte) error {
+	_ = collection.db.ProcessByPrefix([]byte("L"), func(_, blob []byte) error {
 		r := &LocalRepo{}
 		if err := r.Decode(blob); err != nil {
 			log.Printf("Error decoding local repo: %s\n", err)
@@ -159,9 +159,9 @@ func (collection *LocalRepoCollection) Add(repo *LocalRepo) error {
 // Update stores updated information about repo in DB
 func (collection *LocalRepoCollection) Update(repo *LocalRepo) error {
 	batch := collection.db.CreateBatch()
-	batch.Put(repo.Key(), repo.Encode())
+	_ = batch.Put(repo.Key(), repo.Encode())
 	if repo.packageRefs != nil {
-		batch.Put(repo.RefKey(), repo.packageRefs.Encode())
+		_ = batch.Put(repo.RefKey(), repo.packageRefs.Encode())
 	}
 	return batch.Write()
 }
@@ -247,7 +247,7 @@ func (collection *LocalRepoCollection) Drop(repo *LocalRepo) error {
 	delete(collection.cache, repo.UUID)
 
 	batch := collection.db.CreateBatch()
-	batch.Delete(repo.Key())
-	batch.Delete(repo.RefKey())
+	_ = batch.Delete(repo.Key())
+	_ = batch.Delete(repo.RefKey())
 	return batch.Write()
 }

deb/local_test.go

@@ -21,8 +21,8 @@ var _ = Suite(&LocalRepoSuite{})
 func (s *LocalRepoSuite) SetUpTest(c *C) {
 	s.db, _ = goleveldb.NewOpenDB(c.MkDir())
 	s.list = NewPackageList()
-	s.list.Add(&Package{Name: "lib", Version: "1.7", Architecture: "i386"})
-	s.list.Add(&Package{Name: "app", Version: "1.9", Architecture: "amd64"})
+	_ = s.list.Add(&Package{Name: "lib", Version: "1.7", Architecture: "i386"})
+	_ = s.list.Add(&Package{Name: "app", Version: "1.9", Architecture: "amd64"})
 
 	s.reflist = NewPackageRefListFromPackageList(s.list)
 
@@ -31,7 +31,7 @@ func (s *LocalRepoSuite) SetUpTest(c *C) {
 }
 
 func (s *LocalRepoSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *LocalRepoSuite) TestString(c *C) {
@@ -88,14 +88,14 @@ func (s *LocalRepoCollectionSuite) SetUpTest(c *C) {
 	s.collection = NewLocalRepoCollection(s.db)
 
 	s.list = NewPackageList()
-	s.list.Add(&Package{Name: "lib", Version: "1.7", Architecture: "i386"})
-	s.list.Add(&Package{Name: "app", Version: "1.9", Architecture: "amd64"})
+	_ = s.list.Add(&Package{Name: "lib", Version: "1.7", Architecture: "i386"})
+	_ = s.list.Add(&Package{Name: "app", Version: "1.9", Architecture: "amd64"})
 
 	s.reflist = NewPackageRefListFromPackageList(s.list)
 }
 
 func (s *LocalRepoCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *LocalRepoCollectionSuite) TestAddByName(c *C) {
@@ -156,7 +156,7 @@ func (s *LocalRepoCollectionSuite) TestUpdateLoadComplete(c *C) {
 
 func (s *LocalRepoCollectionSuite) TestForEachAndLen(c *C) {
 	repo := NewLocalRepo("local1", "Comment 1")
-	s.collection.Add(repo)
+	_ = s.collection.Add(repo)
 
 	count := 0
 	err := s.collection.ForEach(func(*LocalRepo) error {
@@ -178,10 +178,10 @@ func (s *LocalRepoCollectionSuite) TestForEachAndLen(c *C) {
 
 func (s *LocalRepoCollectionSuite) TestDrop(c *C) {
 	repo1 := NewLocalRepo("local1", "Comment 1")
-	s.collection.Add(repo1)
+	_ = s.collection.Add(repo1)
 
 	repo2 := NewLocalRepo("local2", "Comment 2")
-	s.collection.Add(repo2)
+	_ = s.collection.Add(repo2)
 
 	r1, _ := s.collection.ByUUID(repo1.UUID)
 	c.Check(r1, Equals, repo1)
@@ -208,6 +208,6 @@ func (s *LocalRepoCollectionSuite) TestDropNonExisting(c *C) {
 	_, err := s.collection.ByUUID(repo.UUID)
 	c.Check(err, ErrorMatches, "local repo .* not found")
 
-	err = s.collection.Drop(repo)
+	_ = s.collection.Drop(repo)
 	c.Check(s.collection.Drop(repo), ErrorMatches, "local repo not found")
 }

deb/package.go

@@ -565,7 +565,7 @@ func (p *Package) CalculateContents(packagePool aptly.PackagePool, progress aptl
 		}
 		return nil, err
 	}
-	defer reader.Close()
+	defer func() { _ = reader.Close() }()
 
 	contents, err := GetContentsFromDeb(reader, file.Filename)
 	if err != nil {

deb/package_collection.go

@@ -309,7 +309,7 @@ func (collection *PackageCollection) Scan(q PackageQuery) (result *PackageList)
 		}
 
 		if q.Matches(pkg) {
-			result.Add(pkg)
+			_ = result.Add(pkg)
 		}
 	}
 
@@ -337,7 +337,7 @@ func (collection *PackageCollection) SearchByKey(arch, name, version string) (re
 		}
 
 		if pkg.Architecture == arch && pkg.Name == name && pkg.Version == version {
-			result.Add(pkg)
+			_ = result.Add(pkg)
 		}
 	}
 

deb/package_collection_test.go

@@ -23,7 +23,7 @@ func (s *PackageCollectionSuite) SetUpTest(c *C) {
 }
 
 func (s *PackageCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *PackageCollectionSuite) TestUpdate(c *C) {
@@ -67,7 +67,7 @@ func (s *PackageCollectionSuite) TestByKey(c *C) {
 
 func (s *PackageCollectionSuite) TestByKeyOld0_3(c *C) {
 	key := []byte("Pi386 vmware-view-open-client 4.5.0-297975+dfsg-4+b1")
-	s.db.Put(key, old0_3Package)
+	_ = s.db.Put(key, old0_3Package)
 
 	p, err := s.collection.ByKey(key)
 	c.Check(err, IsNil)

deb/package_files.go

@@ -64,7 +64,7 @@ func (files PackageFiles) Hash() uint64 {
 
 	for _, f := range files {
 		h.Write([]byte(f.Filename))
-		binary.Write(h, binary.BigEndian, f.Checksums.Size)
+		_ = binary.Write(h, binary.BigEndian, f.Checksums.Size)
 		h.Write([]byte(f.Checksums.MD5))
 		h.Write([]byte(f.Checksums.SHA1))
 		h.Write([]byte(f.Checksums.SHA256))

deb/package_files_test.go

@@ -1,7 +1,7 @@
 package deb
 
 import (
-	"io/ioutil"
+	"os"
 	"path/filepath"
 
 	"github.com/aptly-dev/aptly/aptly"
@@ -39,7 +39,7 @@ func (s *PackageFilesSuite) TestVerify(c *C) {
 	c.Check(result, Equals, false)
 
 	tmpFilepath := filepath.Join(c.MkDir(), "file")
-	c.Assert(ioutil.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
+	c.Assert(os.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
 
 	s.files[0].PoolPath, _ = packagePool.Import(tmpFilepath, s.files[0].Filename, &s.files[0].Checksums, false, s.cs)
 

deb/package_test.go

@@ -2,7 +2,7 @@ package deb
 
 import (
 	"bytes"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"regexp"
 
@@ -395,7 +395,7 @@ func (s *PackageSuite) TestLinkFromPool(c *C) {
 	p := NewPackageFromControlFile(s.stanza)
 
 	tmpFilepath := filepath.Join(c.MkDir(), "file")
-	c.Assert(ioutil.WriteFile(tmpFilepath, nil, 0777), IsNil)
+	c.Assert(os.WriteFile(tmpFilepath, nil, 0777), IsNil)
 
 	p.Files()[0].PoolPath, _ = packagePool.Import(tmpFilepath, p.Files()[0].Filename, &p.Files()[0].Checksums, false, cs)
 
@@ -434,7 +434,7 @@ func (s *PackageSuite) TestDownloadList(c *C) {
 	})
 
 	tmpFilepath := filepath.Join(c.MkDir(), "file")
-	c.Assert(ioutil.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
+	c.Assert(os.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
 	p.Files()[0].PoolPath, _ = packagePool.Import(tmpFilepath, p.Files()[0].Filename, &p.Files()[0].Checksums, false, cs)
 
 	list, err = p.DownloadList(packagePool, cs)
@@ -449,7 +449,7 @@ func (s *PackageSuite) TestVerifyFiles(c *C) {
 	cs := files.NewMockChecksumStorage()
 
 	tmpFilepath := filepath.Join(c.MkDir(), "file")
-	c.Assert(ioutil.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
+	c.Assert(os.WriteFile(tmpFilepath, []byte("abcde"), 0777), IsNil)
 
 	p.Files()[0].PoolPath, _ = packagePool.Import(tmpFilepath, p.Files()[0].Filename, &p.Files()[0].Checksums, false, cs)
 

deb/publish.go

@@ -631,7 +631,7 @@ func (p *PublishedRepo) Components() []string {
 	return result
 }
 
-// Components returns sorted list of published repo source names
+// SourceNames returns sorted list of published repo source names
 func (p *PublishedRepo) SourceNames() []string {
 	var sources = []string{}
 
@@ -702,7 +702,7 @@ func (p *PublishedRepo) Encode() []byte {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(p)
+	_ = encoder.Encode(p)
 
 	return buf.Bytes()
 }
@@ -884,7 +884,7 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 	if err != nil {
 		return err
 	}
-	defer os.RemoveAll(tempDir)
+	defer func() { _ = os.RemoveAll(tempDir) }()
 
 	indexes := newIndexFiles(publishedStorage, basePath, tempDir, suffix, p.AcquireByHash, p.SkipBz2)
 
@@ -970,7 +970,7 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 								contentIndexesMap[key] = contentIndex
 							}
 
-							contentIndex.Push(qualifiedName, contents, batch)
+							_ = contentIndex.Push(qualifiedName, contents, batch)
 						}
 					}
 
@@ -1275,11 +1275,11 @@ func (collection *PublishedRepoCollection) CheckDuplicate(repo *PublishedRepo) *
 // Update stores updated information about repo in DB
 func (collection *PublishedRepoCollection) Update(repo *PublishedRepo) error {
 	batch := collection.db.CreateBatch()
-	batch.Put(repo.Key(), repo.Encode())
+	_ = batch.Put(repo.Key(), repo.Encode())
 
 	if repo.SourceKind == SourceLocalRepo {
 		for component, item := range repo.sourceItems {
-			batch.Put(repo.RefKey(component), item.packageRefs.Encode())
+			_ = batch.Put(repo.RefKey(component), item.packageRefs.Encode())
 		}
 	}
 	return batch.Write()
@@ -1324,7 +1324,7 @@ func (collection *PublishedRepoCollection) LoadShallow(repo *PublishedRepo, coll
 
 // LoadComplete loads complete information on the sources of the repo *and* their packages
 func (collection *PublishedRepoCollection) LoadComplete(repo *PublishedRepo, collectionFactory *CollectionFactory) (err error) {
-	collection.LoadShallow(repo, collectionFactory)
+	_ = collection.LoadShallow(repo, collectionFactory)
 
 	if repo.SourceKind == SourceSnapshot {
 		for _, item := range repo.sourceItems {
@@ -1502,7 +1502,7 @@ func (collection *PublishedRepoCollection) listReferencedFilesByComponent(prefix
 						return nil, err
 					}
 
-					packageList.ForEach(func(p *Package) error {
+					_ = packageList.ForEach(func(p *Package) error {
 						poolDir, err := p.PoolDirectory()
 						if err != nil {
 							return err
@@ -1575,7 +1575,7 @@ func (collection *PublishedRepoCollection) CleanupPrefixComponentFiles(published
 				return err
 			}
 
-			packageList.ForEach(func(p *Package) error {
+			_ = packageList.ForEach(func(p *Package) error {
 				poolDir, err := p.PoolDirectory()
 				if err != nil {
 					return err
@@ -1709,10 +1709,10 @@ func (collection *PublishedRepoCollection) Remove(publishedStorageProvider aptly
 	}
 
 	batch := collection.db.CreateBatch()
-	batch.Delete(repo.Key())
+	_ = batch.Delete(repo.Key())
 
 	for _, component := range repo.Components() {
-		batch.Delete(repo.RefKey(component))
+		_ = batch.Delete(repo.RefKey(component))
 	}
 
 	return batch.Write()

deb/publish_bench_test.go

@@ -19,13 +19,13 @@ func BenchmarkListReferencedFiles(b *testing.B) {
 	if err != nil {
 		b.Fatal(err)
 	}
-	defer os.RemoveAll(tmpDir)
+	defer func() { _ = os.RemoveAll(tmpDir) }()
 
 	db, err := goleveldb.NewOpenDB(tmpDir)
 	if err != nil {
 		b.Fatal(err)
 	}
-	defer db.Close()
+	defer func() { _ = db.Close() }()
 
 	factory := NewCollectionFactory(db)
 	packageCollection := factory.PackageCollection()
@@ -49,7 +49,7 @@ func BenchmarkListReferencedFiles(b *testing.B) {
 				Filename: fmt.Sprintf("pkg-shared_%d.deb", pkgIndex),
 			}})
 
-			packageCollection.UpdateInTransaction(p, transaction)
+			_ = packageCollection.UpdateInTransaction(p, transaction)
 			sharedRefs.Refs = append(sharedRefs.Refs, p.Key(""))
 		}
 
@@ -78,7 +78,7 @@ func BenchmarkListReferencedFiles(b *testing.B) {
 				Filename: fmt.Sprintf("pkg%d_%d.deb", repoIndex, pkgIndex),
 			}})
 
-			packageCollection.UpdateInTransaction(p, transaction)
+			_ = packageCollection.UpdateInTransaction(p, transaction)
 			refs.Refs = append(refs.Refs, p.Key(""))
 		}
 
@@ -92,16 +92,16 @@ func BenchmarkListReferencedFiles(b *testing.B) {
 		repo.DefaultDistribution = fmt.Sprintf("dist%d", repoIndex)
 		repo.DefaultComponent = defaultComponent
 		repo.UpdateRefList(refs.Merge(sharedRefs, false, true))
-		repoCollection.Add(repo)
+		_ = repoCollection.Add(repo)
 
 		publish, err := NewPublishedRepo("", "test", "", nil, []string{defaultComponent}, []interface{}{repo}, factory, false)
 		if err != nil {
 			b.Fatal(err)
 		}
-		publishCollection.Add(publish)
+		_ = publishCollection.Add(publish)
 	}
 
-	db.CompactDB()
+	_ = db.CompactDB()
 
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {

deb/publish_test.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -51,11 +50,11 @@ func (n *NullSigner) SetPassphrase(passphrase, passphraseFile string) {
 }
 
 func (n *NullSigner) DetachedSign(source string, destination string) error {
-	return ioutil.WriteFile(destination, []byte{}, 0644)
+	return os.WriteFile(destination, []byte{}, 0644)
 }
 
 func (n *NullSigner) ClearSign(source string, destination string) error {
-	return ioutil.WriteFile(destination, []byte{}, 0644)
+	return os.WriteFile(destination, []byte{}, 0644)
 }
 
 type FakeStorageProvider struct {
@@ -104,7 +103,7 @@ func (s *PublishedRepoSuite) SetUpTest(c *C) {
 	s.cs = files.NewMockChecksumStorage()
 
 	tmpFilepath := filepath.Join(c.MkDir(), "file")
-	c.Assert(ioutil.WriteFile(tmpFilepath, nil, 0777), IsNil)
+	c.Assert(os.WriteFile(tmpFilepath, nil, 0777), IsNil)
 
 	var err error
 	s.p1.Files()[0].PoolPath, err = s.packagePool.Import(tmpFilepath, s.p1.Files()[0].Filename, &s.p1.Files()[0].Checksums, false, s.cs)
@@ -118,22 +117,22 @@ func (s *PublishedRepoSuite) SetUpTest(c *C) {
 
 	repo, _ := NewRemoteRepo("yandex", "http://mirror.yandex.ru/debian/", "squeeze", []string{"main"}, []string{}, false, false, false)
 	repo.packageRefs = s.reflist
-	s.factory.RemoteRepoCollection().Add(repo)
+	_ = s.factory.RemoteRepoCollection().Add(repo)
 
 	s.localRepo = NewLocalRepo("local1", "comment1")
 	s.localRepo.packageRefs = s.reflist
-	s.factory.LocalRepoCollection().Add(s.localRepo)
+	_ = s.factory.LocalRepoCollection().Add(s.localRepo)
 
 	s.snapshot, _ = NewSnapshotFromRepository("snap", repo)
-	s.factory.SnapshotCollection().Add(s.snapshot)
+	_ = s.factory.SnapshotCollection().Add(s.snapshot)
 
 	s.snapshot2, _ = NewSnapshotFromRepository("snap", repo)
-	s.factory.SnapshotCollection().Add(s.snapshot2)
+	_ = s.factory.SnapshotCollection().Add(s.snapshot2)
 
 	s.packageCollection = s.factory.PackageCollection()
-	s.packageCollection.Update(s.p1)
-	s.packageCollection.Update(s.p2)
-	s.packageCollection.Update(s.p3)
+	_ = s.packageCollection.Update(s.p1)
+	_ = s.packageCollection.Update(s.p2)
+	_ = s.packageCollection.Update(s.p3)
 
 	s.repo, _ = NewPublishedRepo("", "ppa", "squeeze", nil, []string{"main"}, []interface{}{s.snapshot}, s.factory, false)
 	s.repo.SkipContents = true
@@ -152,7 +151,7 @@ func (s *PublishedRepoSuite) SetUpTest(c *C) {
 }
 
 func (s *PublishedRepoSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *PublishedRepoSuite) TestNewPublishedRepo(c *C) {
@@ -179,12 +178,12 @@ func (s *PublishedRepoSuite) TestNewPublishedRepo(c *C) {
 	c.Check(s.repo3.RefList("main").Len(), Equals, 3)
 	c.Check(s.repo3.RefList("contrib").Len(), Equals, 3)
 
-	c.Check(func() { NewPublishedRepo("", ".", "a", nil, nil, nil, s.factory, false) }, PanicMatches, "publish with empty sources")
+	c.Check(func() { _, _ = NewPublishedRepo("", ".", "a", nil, nil, nil, s.factory, false) }, PanicMatches, "publish with empty sources")
 	c.Check(func() {
-		NewPublishedRepo("", ".", "a", nil, []string{"main"}, []interface{}{s.snapshot, s.snapshot2}, s.factory, false)
+		_, _ = NewPublishedRepo("", ".", "a", nil, []string{"main"}, []interface{}{s.snapshot, s.snapshot2}, s.factory, false)
 	}, PanicMatches, "sources and components should be equal in size")
 	c.Check(func() {
-		NewPublishedRepo("", ".", "a", nil, []string{"main", "contrib"}, []interface{}{s.localRepo, s.snapshot2}, s.factory, false)
+		_, _ = NewPublishedRepo("", ".", "a", nil, []string{"main", "contrib"}, []interface{}{s.localRepo, s.snapshot2}, s.factory, false)
 	}, PanicMatches, "interface conversion:.*")
 
 	_, err := NewPublishedRepo("", ".", "a", nil, []string{"main", "main"}, []interface{}{s.snapshot, s.snapshot2}, s.factory, false)
@@ -337,7 +336,7 @@ func (s *PublishedRepoSuite) TestDistributionComponentGuessing(c *C) {
 
 	s.localRepo.DefaultDistribution = "precise"
 	s.localRepo.DefaultComponent = "contrib"
-	s.factory.LocalRepoCollection().Update(s.localRepo)
+	_ = s.factory.LocalRepoCollection().Update(s.localRepo)
 
 	repo, err = NewPublishedRepo("", "ppa", "", nil, []string{""}, []interface{}{s.localRepo}, s.factory, false)
 	c.Check(err, IsNil)
@@ -526,8 +525,8 @@ func (s *PublishedRepoSuite) TestPublishedRepoRevision(c *C) {
 	bytes, err := json.Marshal(revision)
 	c.Assert(err, IsNil)
 
-	json_expected := `{"Sources":[{"Component":"main","Name":"local1"},{"Component":"test1","Name":"snap1"},{"Component":"test2","Name":"snap2"}]}`
-	c.Assert(string(bytes), Equals, json_expected)
+	jsonExpected := `{"Sources":[{"Component":"main","Name":"local1"},{"Component":"test1","Name":"snap1"},{"Component":"test2","Name":"snap2"}]}`
+	c.Assert(string(bytes), Equals, jsonExpected)
 
 	c.Assert(s.repo2.DropRevision(), DeepEquals, revision)
 	c.Assert(s.repo2.Revision, IsNil)
@@ -564,11 +563,11 @@ func (s *PublishedRepoCollectionSuite) SetUpTest(c *C) {
 	sort.Sort(snap2Refs)
 	s.snap2 = NewSnapshotFromRefList("snap2", []*Snapshot{}, snap2Refs, "desc2")
 
-	s.snapshotCollection.Add(s.snap1)
-	s.snapshotCollection.Add(s.snap2)
+	_ = s.snapshotCollection.Add(s.snap1)
+	_ = s.snapshotCollection.Add(s.snap2)
 
 	s.localRepo = NewLocalRepo("local1", "comment1")
-	s.factory.LocalRepoCollection().Add(s.localRepo)
+	_ = s.factory.LocalRepoCollection().Add(s.localRepo)
 
 	s.repo1, _ = NewPublishedRepo("", "ppa", "anaconda", []string{}, []string{"main"}, []interface{}{s.snap1}, s.factory, false)
 	s.repo2, _ = NewPublishedRepo("", "", "anaconda", []string{}, []string{"main", "contrib"}, []interface{}{s.snap2, s.snap1}, s.factory, false)
@@ -580,7 +579,7 @@ func (s *PublishedRepoCollectionSuite) SetUpTest(c *C) {
 }
 
 func (s *PublishedRepoCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *PublishedRepoCollectionSuite) TestAddByStoragePrefixDistribution(c *C) {
@@ -677,7 +676,7 @@ func (s *PublishedRepoCollectionSuite) TestLoadPre0_6(c *C) {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(&old)
+	_ = encoder.Encode(&old)
 
 	c.Assert(s.db.Put(s.repo1.Key(), buf.Bytes()), IsNil)
 	c.Assert(s.db.Put(s.repo1.RefKey(""), s.localRepo.RefList().Encode()), IsNil)
@@ -695,7 +694,7 @@ func (s *PublishedRepoCollectionSuite) TestLoadPre0_6(c *C) {
 }
 
 func (s *PublishedRepoCollectionSuite) TestForEachAndLen(c *C) {
-	s.collection.Add(s.repo1)
+	_ = s.collection.Add(s.repo1)
 
 	count := 0
 	err := s.collection.ForEach(func(*PublishedRepo) error {
@@ -755,7 +754,7 @@ func (s *PublishedRepoCollectionSuite) TestListReferencedFiles(c *C) {
 	})
 
 	snap3 := NewSnapshotFromRefList("snap3", []*Snapshot{}, s.snap2.RefList(), "desc3")
-	s.snapshotCollection.Add(snap3)
+	_ = s.snapshotCollection.Add(snap3)
 
 	// Ensure that adding a second publish point with matching files doesn't give duplicate results.
 	repo3, err := NewPublishedRepo("", "", "anaconda-2", []string{}, []string{"main"}, []interface{}{snap3}, s.factory, false)
@@ -799,7 +798,7 @@ func (s *PublishedRepoRemoveSuite) SetUpTest(c *C) {
 
 	s.snap1 = NewSnapshotFromPackageList("snap1", []*Snapshot{}, NewPackageList(), "desc1")
 
-	s.snapshotCollection.Add(s.snap1)
+	_ = s.snapshotCollection.Add(s.snap1)
 
 	s.repo1, _ = NewPublishedRepo("", "ppa", "anaconda", []string{}, []string{"main"}, []interface{}{s.snap1}, s.factory, false)
 	s.repo2, _ = NewPublishedRepo("", "", "anaconda", []string{}, []string{"main"}, []interface{}{s.snap1}, s.factory, false)
@@ -808,26 +807,26 @@ func (s *PublishedRepoRemoveSuite) SetUpTest(c *C) {
 	s.repo5, _ = NewPublishedRepo("files:other", "ppa", "osminog", []string{}, []string{"contrib"}, []interface{}{s.snap1}, s.factory, false)
 
 	s.collection = s.factory.PublishedRepoCollection()
-	s.collection.Add(s.repo1)
-	s.collection.Add(s.repo2)
-	s.collection.Add(s.repo3)
-	s.collection.Add(s.repo4)
-	s.collection.Add(s.repo5)
+	_ = s.collection.Add(s.repo1)
+	_ = s.collection.Add(s.repo2)
+	_ = s.collection.Add(s.repo3)
+	_ = s.collection.Add(s.repo4)
+	_ = s.collection.Add(s.repo5)
 
 	s.root = c.MkDir()
 	s.publishedStorage = files.NewPublishedStorage(s.root, "", "")
-	s.publishedStorage.MkDir("ppa/dists/anaconda")
-	s.publishedStorage.MkDir("ppa/dists/meduza")
-	s.publishedStorage.MkDir("ppa/dists/osminog")
-	s.publishedStorage.MkDir("ppa/pool/main")
-	s.publishedStorage.MkDir("ppa/pool/contrib")
-	s.publishedStorage.MkDir("dists/anaconda")
-	s.publishedStorage.MkDir("pool/main")
+	_ = s.publishedStorage.MkDir("ppa/dists/anaconda")
+	_ = s.publishedStorage.MkDir("ppa/dists/meduza")
+	_ = s.publishedStorage.MkDir("ppa/dists/osminog")
+	_ = s.publishedStorage.MkDir("ppa/pool/main")
+	_ = s.publishedStorage.MkDir("ppa/pool/contrib")
+	_ = s.publishedStorage.MkDir("dists/anaconda")
+	_ = s.publishedStorage.MkDir("pool/main")
 
 	s.root2 = c.MkDir()
 	s.publishedStorage2 = files.NewPublishedStorage(s.root2, "", "")
-	s.publishedStorage2.MkDir("ppa/dists/osminog")
-	s.publishedStorage2.MkDir("ppa/pool/contrib")
+	_ = s.publishedStorage2.MkDir("ppa/dists/osminog")
+	_ = s.publishedStorage2.MkDir("ppa/pool/contrib")
 
 	s.provider = &FakeStorageProvider{map[string]aptly.PublishedStorage{
 		"":            s.publishedStorage,
@@ -835,11 +834,11 @@ func (s *PublishedRepoRemoveSuite) SetUpTest(c *C) {
 }
 
 func (s *PublishedRepoRemoveSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *PublishedRepoRemoveSuite) TestRemoveFilesOnlyDist(c *C) {
-	s.repo1.RemoveFiles(s.provider, false, []string{}, nil)
+	_ = s.repo1.RemoveFiles(s.provider, false, []string{}, nil)
 
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/anaconda"), Not(PathExists))
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/meduza"), PathExists)
@@ -853,7 +852,7 @@ func (s *PublishedRepoRemoveSuite) TestRemoveFilesOnlyDist(c *C) {
 }
 
 func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithPool(c *C) {
-	s.repo1.RemoveFiles(s.provider, false, []string{"main"}, nil)
+	_ = s.repo1.RemoveFiles(s.provider, false, []string{"main"}, nil)
 
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/anaconda"), Not(PathExists))
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/meduza"), PathExists)
@@ -867,7 +866,7 @@ func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithPool(c *C) {
 }
 
 func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithTwoPools(c *C) {
-	s.repo1.RemoveFiles(s.provider, false, []string{"main", "contrib"}, nil)
+	_ = s.repo1.RemoveFiles(s.provider, false, []string{"main", "contrib"}, nil)
 
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/anaconda"), Not(PathExists))
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/meduza"), PathExists)
@@ -881,7 +880,7 @@ func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithTwoPools(c *C) {
 }
 
 func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithPrefix(c *C) {
-	s.repo1.RemoveFiles(s.provider, true, []string{"main"}, nil)
+	_ = s.repo1.RemoveFiles(s.provider, true, []string{"main"}, nil)
 
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/anaconda"), Not(PathExists))
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/meduza"), Not(PathExists))
@@ -895,7 +894,7 @@ func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithPrefix(c *C) {
 }
 
 func (s *PublishedRepoRemoveSuite) TestRemoveFilesWithPrefixRoot(c *C) {
-	s.repo2.RemoveFiles(s.provider, true, []string{"main"}, nil)
+	_ = s.repo2.RemoveFiles(s.provider, true, []string{"main"}, nil)
 
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/anaconda"), PathExists)
 	c.Check(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/meduza"), PathExists)

deb/query.go

@@ -89,7 +89,7 @@ func (q *OrQuery) Fast(list PackageCatalog) bool {
 func (q *OrQuery) Query(list PackageCatalog) (result *PackageList) {
 	if q.Fast(list) {
 		result = q.L.Query(list)
-		result.Append(q.R.Query(list))
+		_ = result.Append(q.R.Query(list))
 	} else {
 		result = list.Scan(q)
 	}
@@ -245,7 +245,7 @@ func (q *DependencyQuery) Query(list PackageCatalog) (result *PackageList) {
 	if q.Fast(list) {
 		result = NewPackageList()
 		for _, pkg := range list.Search(q.Dep, true, true) {
-			result.Add(pkg)
+			_ = result.Add(pkg)
 		}
 	} else {
 		result = list.Scan(q)

deb/reflist.go

@@ -54,7 +54,7 @@ func (l *PackageRefList) Swap(i, j int) {
 	l.Refs[i], l.Refs[j] = l.Refs[j], l.Refs[i]
 }
 
-// Compare compares two refs in lexographical order
+// Less compares two refs in lexographical order
 func (l *PackageRefList) Less(i, j int) bool {
 	return bytes.Compare(l.Refs[i], l.Refs[j]) < 0
 }
@@ -64,7 +64,7 @@ func (l *PackageRefList) Encode() []byte {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(l)
+	_ = encoder.Encode(l)
 
 	return buf.Bytes()
 }

deb/reflist_bench_test.go

@@ -42,6 +42,6 @@ func BenchmarkReflistDecode(b *testing.B) {
 
 	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
-		(&PackageRefList{}).Decode(data)
+		_ = (&PackageRefList{}).Decode(data)
 	}
 }

deb/reflist_test.go

@@ -46,21 +46,21 @@ func (s *PackageRefListSuite) SetUpTest(c *C) {
 func (s *PackageRefListSuite) TestNewPackageListFromRefList(c *C) {
 	db, _ := goleveldb.NewOpenDB(c.MkDir())
 	coll := NewPackageCollection(db)
-	coll.Update(s.p1)
-	coll.Update(s.p3)
+	_ = coll.Update(s.p1)
+	_ = coll.Update(s.p3)
 
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
-	s.list.Add(s.p5)
-	s.list.Add(s.p6)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
+	_ = s.list.Add(s.p5)
+	_ = s.list.Add(s.p6)
 
 	reflist := NewPackageRefListFromPackageList(s.list)
 
 	_, err := NewPackageListFromRefList(reflist, coll, nil)
 	c.Assert(err, ErrorMatches, "unable to load package with key.*")
 
-	coll.Update(s.p5)
-	coll.Update(s.p6)
+	_ = coll.Update(s.p5)
+	_ = coll.Update(s.p6)
 
 	list, err := NewPackageListFromRefList(reflist, coll, nil)
 	c.Assert(err, IsNil)
@@ -73,10 +73,10 @@ func (s *PackageRefListSuite) TestNewPackageListFromRefList(c *C) {
 }
 
 func (s *PackageRefListSuite) TestNewPackageRefList(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
-	s.list.Add(s.p5)
-	s.list.Add(s.p6)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
+	_ = s.list.Add(s.p5)
+	_ = s.list.Add(s.p6)
 
 	reflist := NewPackageRefListFromPackageList(s.list)
 	c.Assert(reflist.Len(), Equals, 4)
@@ -90,10 +90,10 @@ func (s *PackageRefListSuite) TestNewPackageRefList(c *C) {
 }
 
 func (s *PackageRefListSuite) TestPackageRefListEncodeDecode(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
-	s.list.Add(s.p5)
-	s.list.Add(s.p6)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
+	_ = s.list.Add(s.p5)
+	_ = s.list.Add(s.p6)
 
 	reflist := NewPackageRefListFromPackageList(s.list)
 
@@ -105,10 +105,10 @@ func (s *PackageRefListSuite) TestPackageRefListEncodeDecode(c *C) {
 }
 
 func (s *PackageRefListSuite) TestPackageRefListForeach(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
-	s.list.Add(s.p5)
-	s.list.Add(s.p6)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
+	_ = s.list.Add(s.p5)
+	_ = s.list.Add(s.p6)
 
 	reflist := NewPackageRefListFromPackageList(s.list)
 
@@ -131,9 +131,9 @@ func (s *PackageRefListSuite) TestPackageRefListForeach(c *C) {
 }
 
 func (s *PackageRefListSuite) TestHas(c *C) {
-	s.list.Add(s.p1)
-	s.list.Add(s.p3)
-	s.list.Add(s.p5)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p3)
+	_ = s.list.Add(s.p5)
 	reflist := NewPackageRefListFromPackageList(s.list)
 
 	c.Check(reflist.Has(s.p1), Equals, true)
@@ -180,21 +180,21 @@ func (s *PackageRefListSuite) TestDiff(c *C) {
 	}
 
 	for _, p := range packages {
-		coll.Update(p)
+		_ = coll.Update(p)
 	}
 
 	listA := NewPackageList()
-	listA.Add(packages[0])
-	listA.Add(packages[1])
-	listA.Add(packages[2])
-	listA.Add(packages[3])
-	listA.Add(packages[6])
+	_ = listA.Add(packages[0])
+	_ = listA.Add(packages[1])
+	_ = listA.Add(packages[2])
+	_ = listA.Add(packages[3])
+	_ = listA.Add(packages[6])
 
 	listB := NewPackageList()
-	listB.Add(packages[0])
-	listB.Add(packages[2])
-	listB.Add(packages[4])
-	listB.Add(packages[5])
+	_ = listB.Add(packages[0])
+	_ = listB.Add(packages[2])
+	_ = listB.Add(packages[4])
+	_ = listB.Add(packages[5])
 
 	reflistA := NewPackageRefListFromPackageList(listA)
 	reflistB := NewPackageRefListFromPackageList(listB)
@@ -248,15 +248,15 @@ func (s *PackageRefListSuite) TestDiffCompactsAtEnd(c *C) {
 	}
 
 	for _, p := range packages {
-		coll.Update(p)
+		_ = coll.Update(p)
 	}
 
 	listA := NewPackageList()
-	listA.Add(packages[0])
+	_ = listA.Add(packages[0])
 
 	listB := NewPackageList()
-	listB.Add(packages[1])
-	listB.Add(packages[2])
+	_ = listB.Add(packages[1])
+	_ = listB.Add(packages[2])
 
 	reflistA := NewPackageRefListFromPackageList(listA)
 	reflistB := NewPackageRefListFromPackageList(listB)
@@ -291,27 +291,27 @@ func (s *PackageRefListSuite) TestMerge(c *C) {
 
 	for _, p := range packages {
 		p.V06Plus = true
-		coll.Update(p)
+		_ = coll.Update(p)
 	}
 
 	listA := NewPackageList()
-	listA.Add(packages[0])
-	listA.Add(packages[1])
-	listA.Add(packages[2])
-	listA.Add(packages[3])
-	listA.Add(packages[7])
+	_ = listA.Add(packages[0])
+	_ = listA.Add(packages[1])
+	_ = listA.Add(packages[2])
+	_ = listA.Add(packages[3])
+	_ = listA.Add(packages[7])
 
 	listB := NewPackageList()
-	listB.Add(packages[0])
-	listB.Add(packages[2])
-	listB.Add(packages[4])
-	listB.Add(packages[5])
-	listB.Add(packages[6])
+	_ = listB.Add(packages[0])
+	_ = listB.Add(packages[2])
+	_ = listB.Add(packages[4])
+	_ = listB.Add(packages[5])
+	_ = listB.Add(packages[6])
 
 	listC := NewPackageList()
-	listC.Add(packages[0])
-	listC.Add(packages[8])
-	listC.Add(packages[9])
+	_ = listC.Add(packages[0])
+	_ = listC.Add(packages[8])
+	_ = listC.Add(packages[9])
 
 	reflistA := NewPackageRefListFromPackageList(listA)
 	reflistB := NewPackageRefListFromPackageList(listB)
@@ -372,14 +372,14 @@ func (s *PackageRefListSuite) TestFilterLatestRefs(c *C) {
 	}
 
 	rl := NewPackageList()
-	rl.Add(packages[0])
-	rl.Add(packages[1])
-	rl.Add(packages[2])
-	rl.Add(packages[3])
-	rl.Add(packages[4])
-	rl.Add(packages[5])
-	rl.Add(packages[6])
-	rl.Add(packages[7])
+	_ = rl.Add(packages[0])
+	_ = rl.Add(packages[1])
+	_ = rl.Add(packages[2])
+	_ = rl.Add(packages[3])
+	_ = rl.Add(packages[4])
+	_ = rl.Add(packages[5])
+	_ = rl.Add(packages[6])
+	_ = rl.Add(packages[7])
 
 	result := NewPackageRefListFromPackageList(rl)
 	result.FilterLatestRefs()

deb/remote.go

@@ -120,7 +120,7 @@ func NewRemoteRepo(name string, archiveRoot string, distribution string, compone
 // SetArchiveRoot of remote repo
 func (repo *RemoteRepo) SetArchiveRoot(archiveRoot string) {
 	repo.ArchiveRoot = archiveRoot
-	repo.prepare()
+	_ = repo.prepare()
 }
 
 func (repo *RemoteRepo) prepare() error {
@@ -302,14 +302,14 @@ func (repo *RemoteRepo) Fetch(d aptly.Downloader, verifier pgp.Verifier, ignoreS
 		if err != nil {
 			goto splitsignature
 		}
-		defer inrelease.Close()
+		defer func() { _ = inrelease.Close() }()
 
 		_, err = verifier.VerifyClearsigned(inrelease, true)
 		if err != nil {
 			goto splitsignature
 		}
 
-		inrelease.Seek(0, 0)
+		_, _ = inrelease.Seek(0, 0)
 
 		release, err = verifier.ExtractClearsigned(inrelease)
 		if err != nil {
@@ -342,7 +342,7 @@ func (repo *RemoteRepo) Fetch(d aptly.Downloader, verifier pgp.Verifier, ignoreS
 	}
 ok:
 
-	defer release.Close()
+	defer func() { _ = release.Close() }()
 
 	sreader := NewControlFileReader(release, true, false)
 	stanza, err := sreader.ReadStanza()
@@ -528,7 +528,7 @@ func (repo *RemoteRepo) DownloadPackageIndexes(progress aptly.Progress, d aptly.
 				return err
 			}
 		}
-		defer packagesFile.Close()
+		defer func() { _ = packagesFile.Close() }()
 
 		if progress != nil {
 			stat, _ := packagesFile.Stat()
@@ -705,7 +705,7 @@ func (repo *RemoteRepo) Encode() []byte {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(repo)
+	_ = encoder.Encode(repo)
 
 	return buf.Bytes()
 }
@@ -804,7 +804,7 @@ func (collection *RemoteRepoCollection) search(filter func(*RemoteRepo) bool, un
 		return result
 	}
 
-	collection.db.ProcessByPrefix([]byte("R"), func(_, blob []byte) error {
+	_ = collection.db.ProcessByPrefix([]byte("R"), func(_, blob []byte) error {
 		r := &RemoteRepo{}
 		if err := r.Decode(blob); err != nil {
 			log.Printf("Error decoding remote repo: %s\n", err)
@@ -848,9 +848,9 @@ func (collection *RemoteRepoCollection) Add(repo *RemoteRepo) error {
 func (collection *RemoteRepoCollection) Update(repo *RemoteRepo) error {
 	batch := collection.db.CreateBatch()
 
-	batch.Put(repo.Key(), repo.Encode())
+	_ = batch.Put(repo.Key(), repo.Encode())
 	if repo.packageRefs != nil {
-		batch.Put(repo.RefKey(), repo.packageRefs.Encode())
+		_ = batch.Put(repo.RefKey(), repo.packageRefs.Encode())
 	}
 	return batch.Write()
 }
@@ -936,7 +936,7 @@ func (collection *RemoteRepoCollection) Drop(repo *RemoteRepo) error {
 	delete(collection.cache, repo.UUID)
 
 	batch := collection.db.CreateBatch()
-	batch.Delete(repo.Key())
-	batch.Delete(repo.RefKey())
+	_ = batch.Delete(repo.Key())
+	_ = batch.Delete(repo.RefKey())
 	return batch.Write()
 }

deb/remote_test.go

@@ -38,9 +38,9 @@ func (n *NullVerifier) VerifyClearsigned(clearsigned io.Reader, hint bool) (*pgp
 
 func (n *NullVerifier) ExtractClearsigned(clearsigned io.Reader) (text *os.File, err error) {
 	text, _ = os.CreateTemp("", "aptly-test")
-	io.Copy(text, clearsigned)
-	text.Seek(0, 0)
-	os.Remove(text.Name())
+	_, _ = io.Copy(text, clearsigned)
+	_, _ = text.Seek(0, 0)
+	_ = os.Remove(text.Name())
 
 	return
 }
@@ -68,9 +68,9 @@ func (s *PackageListMixinSuite) SetUpPackages() {
 	stanza["Filename"] = "pool/contrib/l/lonely-strangers/lonely-strangers_7.40-2_i386.deb"
 	s.p3 = NewPackageFromControlFile(stanza)
 
-	s.list.Add(s.p1)
-	s.list.Add(s.p2)
-	s.list.Add(s.p3)
+	_ = s.list.Add(s.p1)
+	_ = s.list.Add(s.p2)
+	_ = s.list.Add(s.p3)
 
 	s.reflist = NewPackageRefListFromPackageList(s.list)
 }
@@ -104,7 +104,7 @@ func (s *RemoteRepoSuite) SetUpTest(c *C) {
 
 func (s *RemoteRepoSuite) TearDownTest(c *C) {
 	s.progress.Shutdown()
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *RemoteRepoSuite) TestInvalidURL(c *C) {
@@ -287,7 +287,7 @@ func (s *RemoteRepoSuite) TestDownload(c *C) {
 	c.Check(queue, HasLen, 1)
 	c.Check(queue[0].File.DownloadURL(), Equals, "pool/main/a/amanda/amanda-client_3.3.1-3~bpo60+1_amd64.deb")
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 
 	pkg, err := s.collectionFactory.PackageCollection().ByKey(s.repo.packageRefs.Refs[0])
@@ -313,7 +313,7 @@ func (s *RemoteRepoSuite) TestDownload(c *C) {
 	c.Check(size, Equals, int64(0))
 	c.Check(queue, HasLen, 0)
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 
 	// Next call must return the download list without option "skip-existing-packages"
@@ -335,7 +335,7 @@ func (s *RemoteRepoSuite) TestDownload(c *C) {
 	c.Check(queue, HasLen, 1)
 	c.Check(queue[0].File.DownloadURL(), Equals, "pool/main/a/amanda/amanda-client_3.3.1-3~bpo60+1_amd64.deb")
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 }
 
@@ -369,7 +369,7 @@ func (s *RemoteRepoSuite) TestDownloadWithInstaller(c *C) {
 	c.Check(q[0], Equals, "dists/squeeze/main/installer-i386/current/images/MANIFEST")
 	c.Check(q[1], Equals, "pool/main/a/amanda/amanda-client_3.3.1-3~bpo60+1_amd64.deb")
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 
 	pkg, err := s.collectionFactory.PackageCollection().ByKey(s.repo.packageRefs.Refs[0])
@@ -415,7 +415,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSources(c *C) {
 	c.Check(q[2], Equals, "pool/main/a/access-modifier-checker/access-modifier-checker_1.0.orig.tar.gz")
 	c.Check(q[0], Equals, "pool/main/a/access-modifier-checker/access-modifier-checker_1.0-4.debian.tar.gz")
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 
 	pkg, err := s.collectionFactory.PackageCollection().ByKey(s.repo.packageRefs.Refs[0])
@@ -449,7 +449,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSources(c *C) {
 	c.Check(size, Equals, int64(0))
 	c.Check(queue, HasLen, 0)
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 
 	// Next call must return the download list without option "skip-existing-packages"
@@ -474,7 +474,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSources(c *C) {
 	c.Check(size, Equals, int64(15))
 	c.Check(queue, HasLen, 4)
 
-	s.repo.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.repo.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.repo.packageRefs, NotNil)
 }
 
@@ -499,7 +499,7 @@ func (s *RemoteRepoSuite) TestDownloadFlat(c *C) {
 	c.Check(queue, HasLen, 1)
 	c.Check(queue[0].File.DownloadURL(), Equals, "pool/main/a/amanda/amanda-client_3.3.1-3~bpo60+1_amd64.deb")
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 
 	pkg, err := s.collectionFactory.PackageCollection().ByKey(s.flat.packageRefs.Refs[0])
@@ -526,7 +526,7 @@ func (s *RemoteRepoSuite) TestDownloadFlat(c *C) {
 	c.Check(size, Equals, int64(0))
 	c.Check(queue, HasLen, 0)
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 
 	// Next call must return the download list without option "skip-existing-packages"
@@ -549,7 +549,7 @@ func (s *RemoteRepoSuite) TestDownloadFlat(c *C) {
 	c.Check(queue, HasLen, 1)
 	c.Check(queue[0].File.DownloadURL(), Equals, "pool/main/a/amanda/amanda-client_3.3.1-3~bpo60+1_amd64.deb")
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 }
 
@@ -589,7 +589,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSourcesFlat(c *C) {
 	c.Check(q[2], Equals, "pool/main/a/access-modifier-checker/access-modifier-checker_1.0.orig.tar.gz")
 	c.Check(q[0], Equals, "pool/main/a/access-modifier-checker/access-modifier-checker_1.0-4.debian.tar.gz")
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 
 	pkg, err := s.collectionFactory.PackageCollection().ByKey(s.flat.packageRefs.Refs[0])
@@ -625,7 +625,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSourcesFlat(c *C) {
 	c.Check(size, Equals, int64(0))
 	c.Check(queue, HasLen, 0)
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 
 	// Next call must return the download list without option "skip-existing-packages"
@@ -651,7 +651,7 @@ func (s *RemoteRepoSuite) TestDownloadWithSourcesFlat(c *C) {
 	c.Check(size, Equals, int64(15))
 	c.Check(queue, HasLen, 4)
 
-	s.flat.FinalizeDownload(s.collectionFactory, nil)
+	_ = s.flat.FinalizeDownload(s.collectionFactory, nil)
 	c.Assert(s.flat.packageRefs, NotNil)
 }
 
@@ -670,7 +670,7 @@ func (s *RemoteRepoCollectionSuite) SetUpTest(c *C) {
 }
 
 func (s *RemoteRepoCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *RemoteRepoCollectionSuite) TestAddByName(c *C) {
@@ -731,7 +731,7 @@ func (s *RemoteRepoCollectionSuite) TestUpdateLoadComplete(c *C) {
 
 func (s *RemoteRepoCollectionSuite) TestForEachAndLen(c *C) {
 	repo, _ := NewRemoteRepo("yandex", "http://mirror.yandex.ru/debian/", "squeeze", []string{"main"}, []string{}, false, false, false)
-	s.collection.Add(repo)
+	_ = s.collection.Add(repo)
 
 	count := 0
 	err := s.collection.ForEach(func(*RemoteRepo) error {
@@ -753,10 +753,10 @@ func (s *RemoteRepoCollectionSuite) TestForEachAndLen(c *C) {
 
 func (s *RemoteRepoCollectionSuite) TestDrop(c *C) {
 	repo1, _ := NewRemoteRepo("yandex", "http://mirror.yandex.ru/debian/", "squeeze", []string{"main"}, []string{}, false, false, false)
-	s.collection.Add(repo1)
+	_ = s.collection.Add(repo1)
 
 	repo2, _ := NewRemoteRepo("tyndex", "http://mirror.yandex.ru/debian/", "wheezy", []string{"main"}, []string{}, false, false, false)
-	s.collection.Add(repo2)
+	_ = s.collection.Add(repo2)
 
 	r1, _ := s.collection.ByUUID(repo1.UUID)
 	c.Check(r1, Equals, repo1)

deb/snapshot.go

@@ -142,7 +142,7 @@ func (s *Snapshot) Encode() []byte {
 	var buf bytes.Buffer
 
 	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
-	encoder.Encode(s)
+	_ = encoder.Encode(s)
 
 	return buf.Bytes()
 }
@@ -228,9 +228,9 @@ func (collection *SnapshotCollection) Add(snapshot *Snapshot) error {
 func (collection *SnapshotCollection) Update(snapshot *Snapshot) error {
 	batch := collection.db.CreateBatch()
 
-	batch.Put(snapshot.Key(), snapshot.Encode())
+	_ = batch.Put(snapshot.Key(), snapshot.Encode())
 	if snapshot.packageRefs != nil {
-		batch.Put(snapshot.RefKey(), snapshot.packageRefs.Encode())
+		_ = batch.Put(snapshot.RefKey(), snapshot.packageRefs.Encode())
 	}
 
 	return batch.Write()
@@ -259,7 +259,7 @@ func (collection *SnapshotCollection) search(filter func(*Snapshot) bool, unique
 		return result
 	}
 
-	collection.db.ProcessByPrefix([]byte("S"), func(_, blob []byte) error {
+	_ = collection.db.ProcessByPrefix([]byte("S"), func(_, blob []byte) error {
 		s := &Snapshot{}
 		if err := s.Decode(blob); err != nil {
 			log.Printf("Error decoding snapshot: %s\n", err)
@@ -400,8 +400,8 @@ func (collection *SnapshotCollection) Drop(snapshot *Snapshot) error {
 	delete(collection.cache, snapshot.UUID)
 
 	batch := collection.db.CreateBatch()
-	batch.Delete(snapshot.Key())
-	batch.Delete(snapshot.RefKey())
+	_ = batch.Delete(snapshot.Key())
+	_ = batch.Delete(snapshot.RefKey())
 	return batch.Write()
 }
 

deb/snapshot_bench_test.go

@@ -12,10 +12,10 @@ func BenchmarkSnapshotCollectionForEach(b *testing.B) {
 	const count = 1024
 
 	tmpDir := os.TempDir()
-	defer os.RemoveAll(tmpDir)
+	defer func() { _ = os.RemoveAll(tmpDir) }()
 
 	db, _ := goleveldb.NewOpenDB(tmpDir)
-	defer db.Close()
+	defer func() { _ = db.Close() }()
 
 	collection := NewSnapshotCollection(db)
 
@@ -31,7 +31,8 @@ func BenchmarkSnapshotCollectionForEach(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		collection = NewSnapshotCollection(db)
 
-		collection.ForEach(func(s *Snapshot) error {
+
+                _ = collection.ForEach(func(s *Snapshot) error {
 			return nil
 		})
 	}
@@ -41,10 +42,10 @@ func BenchmarkSnapshotCollectionByUUID(b *testing.B) {
 	const count = 1024
 
 	tmpDir := os.TempDir()
-	defer os.RemoveAll(tmpDir)
+	defer func() { _ = os.RemoveAll(tmpDir) }()
 
 	db, _ := goleveldb.NewOpenDB(tmpDir)
-	defer db.Close()
+	defer func() { _ = db.Close() }()
 
 	collection := NewSnapshotCollection(db)
 
@@ -72,10 +73,10 @@ func BenchmarkSnapshotCollectionByName(b *testing.B) {
 	const count = 1024
 
 	tmpDir := os.TempDir()
-	defer os.RemoveAll(tmpDir)
+	defer func() { _ = os.RemoveAll(tmpDir) }()
 
 	db, _ := goleveldb.NewOpenDB(tmpDir)
-	defer db.Close()
+	defer func() { _ = db.Close() }()
 
 	collection := NewSnapshotCollection(db)
 

deb/snapshot_test.go

@@ -136,7 +136,7 @@ func (s *SnapshotCollectionSuite) SetUpTest(c *C) {
 }
 
 func (s *SnapshotCollectionSuite) TearDownTest(c *C) {
-	s.db.Close()
+	_ = s.db.Close()
 }
 
 func (s *SnapshotCollectionSuite) TestAddByNameByUUID(c *C) {
@@ -179,8 +179,8 @@ func (s *SnapshotCollectionSuite) TestUpdateLoadComplete(c *C) {
 }
 
 func (s *SnapshotCollectionSuite) TestForEachAndLen(c *C) {
-	s.collection.Add(s.snapshot1)
-	s.collection.Add(s.snapshot2)
+	_ = s.collection.Add(s.snapshot1)
+	_ = s.collection.Add(s.snapshot2)
 
 	count := 0
 	err := s.collection.ForEach(func(*Snapshot) error {
@@ -200,10 +200,10 @@ func (s *SnapshotCollectionSuite) TestForEachAndLen(c *C) {
 }
 
 func (s *SnapshotCollectionSuite) TestForEachSorted(c *C) {
-	s.collection.Add(s.snapshot2)
-	s.collection.Add(s.snapshot1)
-	s.collection.Add(s.snapshot4)
-	s.collection.Add(s.snapshot3)
+	_ = s.collection.Add(s.snapshot2)
+	_ = s.collection.Add(s.snapshot1)
+	_ = s.collection.Add(s.snapshot4)
+	_ = s.collection.Add(s.snapshot3)
 
 	names := []string{}
 
@@ -263,8 +263,8 @@ func (s *SnapshotCollectionSuite) TestFindSnapshotSource(c *C) {
 }
 
 func (s *SnapshotCollectionSuite) TestDrop(c *C) {
-	s.collection.Add(s.snapshot1)
-	s.collection.Add(s.snapshot2)
+	_ = s.collection.Add(s.snapshot1)
+	_ = s.collection.Add(s.snapshot2)
 
 	snap, _ := s.collection.ByUUID(s.snapshot1.UUID)
 	c.Check(snap, Equals, s.snapshot1)

deb/uploaders.go

@@ -41,7 +41,7 @@ func NewUploadersFromFile(path string) (*Uploaders, error) {
 	if err != nil {
 		return nil, fmt.Errorf("error loading uploaders file: %s", err)
 	}
-	defer f.Close()
+	defer func() { _ = f.Close() }()
 
 	err = json.NewDecoder(JsonConfigReader.New(f)).Decode(&uploaders)
 	if err != nil {

deb/version.go

@@ -50,11 +50,7 @@ func compareLexicographic(s1, s2 string) int {
 	i := 0
 	l1, l2 := len(s1), len(s2)
 
-	for {
-		if i == l1 && i == l2 {
-			// s1 equal to s2
-			break
-		}
+	for !(i == l1 && i == l2) {  // break if s1 equal to s2
 
 		if i == l2 {
 			// s1 is longer than s2