fix lint errors

deb/publish.go

@@ -1075,12 +1075,12 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 
 				bufWriter, err := indexes.SkelIndex(component, withinComponent).BufWriter()
 				if err != nil {
-					poolFile.Close()
+					_ = poolFile.Close()
 					return fmt.Errorf("unable to generate AppStream index: %v", err)
 				}
 
 				_, err = bufio.NewReader(poolFile).WriteTo(bufWriter)
-				poolFile.Close()
+				_ = poolFile.Close()
 				if err != nil {
 					return fmt.Errorf("unable to write AppStream file: %v", err)
 				}
@@ -1173,7 +1173,7 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 	release["Label"] = p.GetLabel()
 	release["Suite"] = p.GetSuite()
 	release["Codename"] = p.GetCodename()
-	datetime_format := "Mon, 2 Jan 2006 15:04:05 MST"
+	datetimeformat := "Mon, 2 Jan 2006 15:04:05 MST"
 
 	publishDate := time.Now().UTC()
 	if epoch := os.Getenv("SOURCE_DATE_EPOCH"); epoch != "" {
@@ -1181,7 +1181,7 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 			publishDate = time.Unix(sec, 0).UTC()
 		}
 	}
-	release["Date"] = publishDate.Format(datetime_format)
+	release["Date"] = publishDate.Format(datetimeformat)
 	release["Architectures"] = strings.Join(utils.StrSlicesSubstract(p.Architectures, []string{ArchitectureSource}), " ")
 	if p.AcquireByHash {
 		release["Acquire-By-Hash"] = "yes"
@@ -1193,7 +1193,7 @@ func (p *PublishedRepo) Publish(packagePool aptly.PackagePool, publishedStorageP
 		// is not present or if it is expired."
 		release["Signed-By"] = p.SignedBy
 		// Let's use a century as a "forever" value.
-		release["Valid-Until"] = publishDate.AddDate(100, 0, 0).Format(datetime_format)
+		release["Valid-Until"] = publishDate.AddDate(100, 0, 0).Format(datetimeformat)
 	}
 	if p.Version != "" {
         release["Version"] = p.Version

deb/publish_test.go

@@ -483,7 +483,7 @@ func (s *PublishedRepoSuite) TestPublishAppStream(c *C) {
 	// Release file should reference AppStream files
 	rf, err := os.Open(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/squeeze/Release"))
 	c.Assert(err, IsNil)
-	defer rf.Close()
+	defer func() { _ = rf.Close() }()
 
 	cfr := NewControlFileReader(rf, true, false)
 	st, err := cfr.ReadStanza()
@@ -512,14 +512,14 @@ func (s *PublishedRepoSuite) TestPublishNoSigner(c *C) {
 func (s *PublishedRepoSuite) TestPublishSourceDateEpoch(c *C) {
 	// Test with SOURCE_DATE_EPOCH set
 	_ = os.Setenv("SOURCE_DATE_EPOCH", "1234567890")
-	defer os.Unsetenv("SOURCE_DATE_EPOCH")
+	defer func() { _ = os.Unsetenv("SOURCE_DATE_EPOCH") }()
 
 	err := s.repo.Publish(s.packagePool, s.provider, s.factory, &NullSigner{}, nil, false, "")
 	c.Assert(err, IsNil)
 
 	rf, err := os.Open(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/squeeze/Release"))
 	c.Assert(err, IsNil)
-	defer rf.Close()
+	defer func() { _ = rf.Close() }()
 
 	cfr := NewControlFileReader(rf, true, false)
 	st, err := cfr.ReadStanza()
@@ -532,14 +532,14 @@ func (s *PublishedRepoSuite) TestPublishSourceDateEpoch(c *C) {
 func (s *PublishedRepoSuite) TestPublishSourceDateEpochInvalid(c *C) {
 	// Test with invalid SOURCE_DATE_EPOCH (should fallback to current time)
 	_ = os.Setenv("SOURCE_DATE_EPOCH", "invalid")
-	defer os.Unsetenv("SOURCE_DATE_EPOCH")
+	defer func() { _ = os.Unsetenv("SOURCE_DATE_EPOCH") }()
 
 	err := s.repo2.Publish(s.packagePool, s.provider, s.factory, nil, nil, false, "")
 	c.Assert(err, IsNil)
 
 	rf, err := os.Open(filepath.Join(s.publishedStorage.PublicPath(), "ppa/dists/maverick/Release"))
 	c.Assert(err, IsNil)
-	defer rf.Close()
+	defer func() { _ = rf.Close() }()
 
 	cfr := NewControlFileReader(rf, true, false)
 	st, err := cfr.ReadStanza()

http/gcp_auth_test.go

@@ -30,7 +30,7 @@ func TestGCPAuthTransport_RoundTrip(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to make request: %v", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		t.Errorf("Expected status 200, got %d", resp.StatusCode)
@@ -61,7 +61,7 @@ func TestGCPAuthTransport_RoundTrip_with_dummy_tokenSource(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to make request: %v", err)
 	}
-	defer resp.Body.Close()
+	defer func(){ _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		t.Errorf("Expected status 200, got %d", resp.StatusCode)
@@ -79,15 +79,15 @@ func TestGCPAuthTransport_RoundTrip_with_InvalidCredentials(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to create temp file: %s", err)
 	}
-	defer os.Remove(tmpFile.Name())
+	defer func() { _ = os.Remove(tmpFile.Name()) }()
 	if _, err := tmpFile.WriteString(`{"invalid": "data"}`); err != nil {
 		t.Fatalf("Failed to write to temp file: %s", err)
 	}
-	tmpFile.Close()
+	_ = tmpFile.Close()
 
 	defaultEnv := os.Getenv("GOOGLE_APPLICATION_CREDENTIALS")
-	os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", tmpFile.Name())
+	_ = os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", tmpFile.Name())
-	defer os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", defaultEnv)
+	defer func() { _ = os.Setenv("GOOGLE_APPLICATION_CREDENTIALS", defaultEnv) }()
 
 	transport := &gcpRoundTripper{
 		base: http.DefaultTransport,
@@ -98,7 +98,7 @@ func TestGCPAuthTransport_RoundTrip_with_InvalidCredentials(t *testing.T) {
 	if err != nil {
 		t.Fatalf("Failed to make request: %s", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusForbidden {
 		t.Errorf("Expected status 403, got %d", resp.StatusCode)

system/files/corruptdb.go

@@ -20,7 +20,7 @@ func main() {
 	if err != nil {
 		log.Fatalf("Error opening DB %q: %s", dbPath, err)
 	}
-	defer db.Close()
+	defer func() { _ = db.Close() }()
 
 	keys := db.KeysByPrefix([]byte(prefix))
 	if len(keys) == 0 {