feat: add backend linting on github actions

.github/workflows/verify.yml

@@ -73,3 +73,23 @@ jobs:
         working-directory: frontend
         run:
           npm run test
+  backend-lint:
+    name: Backend Lint
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        modules:
+          - backend
+          - search/pg-indexer
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: 'backend/go.mod'
+      - name: Backend Linting
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.62
+          working-directory: ${{ matrix.modules }}

backend/internal/backend.go

@@ -177,7 +177,7 @@ func (f ForceRegenerateEntry) MustRegenerateProvider(_ context.Context, addr pro
 	})
 }
 
-func (g GenerateConfig) validate() error {
+func (g GenerateConfig) validate() error { //nolint:unused
 	if g.Name != "" && g.Namespace == "" {
 		return fmt.Errorf("cannot use name filtering without namespace filtering")
 	}

backend/internal/blocklist/blocklist.go

@@ -65,6 +65,7 @@ func (b *blockListType[T]) UnmarshalJSON(data []byte) error {
 func (b *blockList) LoadFile(file string) error {
 	blockListContents, err := os.ReadFile(file)
 	if err != nil {
+		return err
 	}
 
 	if err := json.Unmarshal(blockListContents, &b); err != nil {

backend/internal/indexstorage/bufferedstorage/index.go

@@ -202,7 +202,7 @@ func (l *localIndex) Close() error {
 }
 
 func (l *localIndex) trySave(ctx context.Context) error {
-	if time.Now().Sub(l.lastCommitted) < 30*time.Second {
+	if time.Since(l.lastCommitted) < 30*time.Second {
 		return nil
 	}
 

backend/internal/providerindex/generator.go

@@ -128,6 +128,9 @@ func (d *documentationGenerator) Generate(ctx context.Context, opts ...Opts) err
 func (d *documentationGenerator) GenerateNamespace(ctx context.Context, namespace string, opts ...Opts) error {
 	d.log.Info(ctx, "Listing all providers in namespace %s...", namespace)
 	providerList, err := d.metadataAPI.ListProvidersByNamespace(ctx, namespace, true)
+	if err != nil {
+		return err
+	}
 
 	d.log.Info(ctx, "Loaded %d providers", len(providerList))
 

backend/internal/providerindex/providerdocsource/scrape_test.go

@@ -148,7 +148,7 @@ Manages projects.
 		}
 		t.Run(tt.name, func(t *testing.T) {
 			doc := &docItem{}
-			s.ExtractFrontmatterPermissively(context.Background(), []byte(tt.input), doc)
+			s.ExtractFrontmatterPermissively(context.Background(), []byte(tt.input), doc) //nolint:all
 
 			if doc.Name != tt.expected.Name {
 				t.Errorf("expected %q, got %q", tt.expected.Name, doc.Name)

backend/internal/providerindex/search.go

@@ -11,8 +11,6 @@ import (
 	"github.com/opentofu/registry-ui/internal/search/searchtypes"
 )
 
-const indexPrefix = "providers"
-
 type providerSearch struct {
 	searchAPI search.API
 }
@@ -92,7 +90,7 @@ func (p providerSearch) indexProviderVersion(ctx context.Context, providerAddr p
 	return nil
 }
 
-func (p providerSearch) removeProviderVersionFromSearchIndex(ctx context.Context, addr provider.Addr, version provider.VersionNumber) error {
+func (p providerSearch) removeProviderVersionFromSearchIndex(ctx context.Context, addr provider.Addr, version provider.VersionNumber) error { //nolint:unused
 	for _, t := range []searchtypes.IndexType{
 		searchtypes.IndexTypeProvider,
 		searchtypes.IndexTypeProviderResource,
@@ -105,6 +103,6 @@ func (p providerSearch) removeProviderVersionFromSearchIndex(ctx context.Context
 	return nil
 }
 
-func (p providerSearch) removeModuleFromSearchIndex(ctx context.Context, addr module.Addr) error {
-	return p.searchAPI.RemoveItem(ctx, searchtypes.IndexID(indexPrefix+"/"+addr.String()))
+func (p providerSearch) removeModuleFromSearchIndex(ctx context.Context, addr module.Addr) error { //nolint:unused
+	return p.searchAPI.RemoveItem(ctx, searchtypes.IndexID("providers/"+addr.String()))
 }

backend/internal/registrycloner/git.go

@@ -30,7 +30,7 @@ func (c cloner) cloneGitRepo(ctx context.Context) error {
 }
 
 // FetchTags fetches the tags for the repository in the specified directory.
-func (c cloner) fetchTags(ctx context.Context) error {
+func (c cloner) fetchTags(ctx context.Context) error { //nolint:unused
 	return c.runGitCommand(ctx, []string{"git", "fetch", "--tags", "--force"}, c.cfg.Directory)
 }