Add gocritic to linters

.golangci.yml

@@ -7,6 +7,7 @@ linters:
     - deadcode
     - depguard
     - errcheck
+    - gocritic
     - gocyclo
     - gofmt
     - goimports
@@ -32,6 +33,17 @@ linters-settings:
       # The io/ioutil package has been deprecated.
       # https://go.dev/doc/go1.16#ioutil
       - io/ioutil
+  gocritic:
+    # Enable multiple checks by tags, run `GL_DEBUG=gocritic golangci-lint run` to see all tags and checks.
+    # Empty list by default. See https://github.com/go-critic/go-critic#usage -> section "Tags".
+    enabled-tags:
+      - diagnostic
+      - opinionated
+      - style
+    disabled-checks:
+      - paramTypeCombine
+      - unnamedResult
+      - whyNoLint
   gocyclo:
     min-complexity: 16
   lll:

Dockerfile

@@ -16,9 +16,11 @@
 #   limitations under the License.
 
 ARG GO_VERSION=1.18.4-alpine
-ARG GOLANGCI_LINT_VERSION=v1.40.1-alpine
+ARG GOLANGCI_LINT_VERSION=v1.46.2-alpine
 ARG PROTOC_GEN_GO_VERSION=v1.4.3
 
+FROM --platform=${BUILDPLATFORM} golangci/golangci-lint:${GOLANGCI_LINT_VERSION} AS local-golangci-lint
+
 FROM --platform=${BUILDPLATFORM} golang:${GO_VERSION} AS base
 WORKDIR /compose-cli
 RUN apk add --no-cache -vv \
@@ -34,7 +36,7 @@ RUN --mount=type=cache,target=/go/pkg/mod \
 
 FROM base AS lint
 ENV CGO_ENABLED=0
-COPY --from=golangci/golangci-lint /usr/bin/golangci-lint /usr/bin/golangci-lint
+COPY --from=local-golangci-lint /usr/bin/golangci-lint /usr/bin/golangci-lint
 ARG BUILD_TAGS
 ARG GIT_TAG
 RUN --mount=target=. \

cmd/compose/compose.go

@@ -239,11 +239,11 @@ func RootCommand(dockerCli command.Cli, backend api.Service) *cobra.Command {
 		verbose bool
 		version bool
 	)
-	command := &cobra.Command{
+	c := &cobra.Command{
 		Short:            "Docker Compose",
 		Use:              PluginName,
 		TraverseChildren: true,
-		// By default (no Run/RunE in parent command) for typos in subcommands, cobra displays the help of parent command but exit(0) !
+		// By default (no Run/RunE in parent c) for typos in subcommands, cobra displays the help of parent c but exit(0) !
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if len(args) == 0 {
 				return cmd.Help()
@@ -300,7 +300,7 @@ func RootCommand(dockerCli command.Cli, backend api.Service) *cobra.Command {
 		},
 	}
 
-	command.AddCommand(
+	c.AddCommand(
 		upCommand(&opts, backend),
 		downCommand(&opts, backend),
 		startCommand(&opts, backend),
@@ -327,16 +327,16 @@ func RootCommand(dockerCli command.Cli, backend api.Service) *cobra.Command {
 		createCommand(&opts, backend),
 		copyCommand(&opts, backend),
 	)
-	command.Flags().SetInterspersed(false)
-	opts.addProjectFlags(command.Flags())
-	command.Flags().StringVar(&ansi, "ansi", "auto", `Control when to print ANSI control characters ("never"|"always"|"auto")`)
-	command.Flags().BoolVarP(&version, "version", "v", false, "Show the Docker Compose version information")
-	command.Flags().MarkHidden("version") //nolint:errcheck
-	command.Flags().BoolVar(&noAnsi, "no-ansi", false, `Do not print ANSI control characters (DEPRECATED)`)
-	command.Flags().MarkHidden("no-ansi") //nolint:errcheck
-	command.Flags().BoolVar(&verbose, "verbose", false, "Show more output")
-	command.Flags().MarkHidden("verbose") //nolint:errcheck
-	return command
+	c.Flags().SetInterspersed(false)
+	opts.addProjectFlags(c.Flags())
+	c.Flags().StringVar(&ansi, "ansi", "auto", `Control when to print ANSI control characters ("never"|"always"|"auto")`)
+	c.Flags().BoolVarP(&version, "version", "v", false, "Show the Docker Compose version information")
+	c.Flags().MarkHidden("version") //nolint:errcheck
+	c.Flags().BoolVar(&noAnsi, "no-ansi", false, `Do not print ANSI control characters (DEPRECATED)`)
+	c.Flags().MarkHidden("no-ansi") //nolint:errcheck
+	c.Flags().BoolVar(&verbose, "verbose", false, "Show more output")
+	c.Flags().MarkHidden("verbose") //nolint:errcheck
+	return c
 }
 
 func setEnvWithDotEnv(prjOpts *projectOptions) error {
@@ -355,7 +355,7 @@ func setEnvWithDotEnv(prjOpts *projectOptions) error {
 	}
 	for k, v := range envFromFile {
 		if _, ok := os.LookupEnv(k); !ok {
-			if err = os.Setenv(k, v); err != nil {
+			if err := os.Setenv(k, v); err != nil {
 				return err
 			}
 		}

cmd/compose/down.go

@@ -69,8 +69,7 @@ func downCommand(p *projectOptions, backend api.Service) *cobra.Command {
 	flags.BoolVarP(&opts.volumes, "volumes", "v", false, " Remove named volumes declared in the `volumes` section of the Compose file and anonymous volumes attached to containers.")
 	flags.StringVar(&opts.images, "rmi", "", `Remove images used by services. "local" remove only images that don't have a custom tag ("local"|"all")`)
 	flags.SetNormalizeFunc(func(f *pflag.FlagSet, name string) pflag.NormalizedName {
-		switch name {
-		case "volume":
+		if name == "volume" {
 			name = "volumes"
 			logrus.Warn("--volume is deprecated, please use --volumes")
 		}

cmd/compose/list.go

@@ -39,19 +39,19 @@ type lsOptions struct {
 }
 
 func listCommand(backend api.Service) *cobra.Command {
-	opts := lsOptions{Filter: opts.NewFilterOpt()}
+	lsOpts := lsOptions{Filter: opts.NewFilterOpt()}
 	lsCmd := &cobra.Command{
 		Use:   "ls",
 		Short: "List running compose projects",
 		RunE: Adapt(func(ctx context.Context, args []string) error {
-			return runList(ctx, backend, opts)
+			return runList(ctx, backend, lsOpts)
 		}),
 		ValidArgsFunction: noCompletion(),
 	}
-	lsCmd.Flags().StringVar(&opts.Format, "format", "pretty", "Format the output. Values: [pretty | json].")
-	lsCmd.Flags().BoolVarP(&opts.Quiet, "quiet", "q", false, "Only display IDs.")
-	lsCmd.Flags().Var(&opts.Filter, "filter", "Filter output based on conditions provided.")
-	lsCmd.Flags().BoolVarP(&opts.All, "all", "a", false, "Show all stopped Compose projects")
+	lsCmd.Flags().StringVar(&lsOpts.Format, "format", "pretty", "Format the output. Values: [pretty | json].")
+	lsCmd.Flags().BoolVarP(&lsOpts.Quiet, "quiet", "q", false, "Only display IDs.")
+	lsCmd.Flags().Var(&lsOpts.Filter, "filter", "Filter output based on conditions provided.")
+	lsCmd.Flags().BoolVarP(&lsOpts.All, "all", "a", false, "Show all stopped Compose projects")
 
 	return lsCmd
 }
@@ -60,18 +60,18 @@ var acceptedListFilters = map[string]bool{
 	"name": true,
 }
 
-func runList(ctx context.Context, backend api.Service, opts lsOptions) error {
-	filters := opts.Filter.Value()
+func runList(ctx context.Context, backend api.Service, lsOpts lsOptions) error {
+	filters := lsOpts.Filter.Value()
 	err := filters.Validate(acceptedListFilters)
 	if err != nil {
 		return err
 	}
 
-	stackList, err := backend.List(ctx, api.ListOptions{All: opts.All})
+	stackList, err := backend.List(ctx, api.ListOptions{All: lsOpts.All})
 	if err != nil {
 		return err
 	}
-	if opts.Quiet {
+	if lsOpts.Quiet {
 		for _, s := range stackList {
 			fmt.Println(s.Name)
 		}
@@ -90,7 +90,7 @@ func runList(ctx context.Context, backend api.Service, opts lsOptions) error {
 	}
 
 	view := viewFromStackList(stackList)
-	return formatter.Print(view, opts.Format, os.Stdout, func(w io.Writer) {
+	return formatter.Print(view, lsOpts.Format, os.Stdout, func(w io.Writer) {
 		for _, stack := range view {
 			_, _ = fmt.Fprintf(w, "%s\t%s\t%s\n", stack.Name, stack.Status, stack.ConfigFiles)
 		}

cmd/compose/up.go

@@ -219,18 +219,20 @@ func runUp(ctx context.Context, backend api.Service, createOptions createOptions
 
 func setServiceScale(project *types.Project, name string, replicas uint64) error {
 	for i, s := range project.Services {
-		if s.Name == name {
-			service, err := project.GetService(name)
-			if err != nil {
-				return err
-			}
-			if service.Deploy == nil {
-				service.Deploy = &types.DeployConfig{}
-			}
-			service.Deploy.Replicas = &replicas
-			project.Services[i] = service
-			return nil
+		if s.Name != name {
+			continue
+		}
+
+		service, err := project.GetService(name)
+		if err != nil {
+			return err
+		}
+		if service.Deploy == nil {
+			service.Deploy = &types.DeployConfig{}
 		}
+		service.Deploy.Replicas = &replicas
+		project.Services[i] = service
+		return nil
 	}
 	return fmt.Errorf("unknown service %q", name)
 }

cmd/formatter/logs.go

@@ -27,6 +27,16 @@ import (
 	"github.com/docker/compose/v2/pkg/api"
 )
 
+// LogConsumer consume logs from services and format them
+type logConsumer struct {
+	ctx        context.Context
+	presenters sync.Map // map[string]*presenter
+	width      int
+	writer     io.Writer
+	color      bool
+	prefix     bool
+}
+
 // NewLogConsumer creates a new LogConsumer
 func NewLogConsumer(ctx context.Context, w io.Writer, color bool, prefix bool) api.LogConsumer {
 	return &logConsumer{
@@ -79,14 +89,14 @@ func (l *logConsumer) Log(container, service, message string) {
 	}
 	p := l.getPresenter(container)
 	for _, line := range strings.Split(message, "\n") {
-		fmt.Fprintf(l.writer, "%s%s\n", p.prefix, line) // nolint:errcheck
+		fmt.Fprintf(l.writer, "%s%s\n", p.prefix, line) //nolint:errcheck
 	}
 }
 
 func (l *logConsumer) Status(container, msg string) {
 	p := l.getPresenter(container)
 	s := p.colors(fmt.Sprintf("%s %s\n", container, msg))
-	l.writer.Write([]byte(s)) // nolint:errcheck
+	l.writer.Write([]byte(s)) //nolint:errcheck
 }
 
 func (l *logConsumer) computeWidth() {
@@ -101,16 +111,6 @@ func (l *logConsumer) computeWidth() {
 	l.width = width + 1
 }
 
-// LogConsumer consume logs from services and format them
-type logConsumer struct {
-	ctx        context.Context
-	presenters sync.Map // map[string]*presenter
-	width      int
-	writer     io.Writer
-	color      bool
-	prefix     bool
-}
-
 type presenter struct {
 	colors colorFunc
 	name   string

pkg/api/errors.go

@@ -21,7 +21,7 @@ import (
 )
 
 const (
-	//ExitCodeLoginRequired exit code when command cannot execute because it requires cloud login
+	// ExitCodeLoginRequired exit code when command cannot execute because it requires cloud login
 	// This will be used by VSCode to detect when creating context if the user needs to login first
 	ExitCodeLoginRequired = 5
 )

pkg/compose/attach.go

@@ -127,9 +127,9 @@ func (s *composeService) attachContainerStreams(ctx context.Context, container s
 	if stdout != nil {
 		go func() {
 			if tty {
-				io.Copy(stdout, streamOut) // nolint:errcheck
+				io.Copy(stdout, streamOut) //nolint:errcheck
 			} else {
-				stdcopy.StdCopy(stdout, stderr, streamOut) // nolint:errcheck
+				stdcopy.StdCopy(stdout, stderr, streamOut) //nolint:errcheck
 			}
 		}()
 	}

pkg/compose/build.go

@@ -61,29 +61,30 @@ func (s *composeService) build(ctx context.Context, project *types.Project, opti
 	}
 
 	for _, service := range services {
-		if service.Build != nil {
-			imageName := getImageName(service, project.Name)
-			imagesToBuild = append(imagesToBuild, imageName)
-			buildOptions, err := s.toBuildOptions(project, service, imageName, options.SSHs)
-			if err != nil {
-				return err
-			}
-			buildOptions.Pull = options.Pull
-			buildOptions.BuildArgs = mergeArgs(buildOptions.BuildArgs, args)
-			buildOptions.NoCache = options.NoCache
-			buildOptions.CacheFrom, err = buildflags.ParseCacheEntry(service.Build.CacheFrom)
-			if err != nil {
-				return err
-			}
+		if service.Build == nil {
+			continue
+		}
+		imageName := getImageName(service, project.Name)
+		imagesToBuild = append(imagesToBuild, imageName)
+		buildOptions, err := s.toBuildOptions(project, service, imageName, options.SSHs)
+		if err != nil {
+			return err
+		}
+		buildOptions.Pull = options.Pull
+		buildOptions.BuildArgs = mergeArgs(buildOptions.BuildArgs, args)
+		buildOptions.NoCache = options.NoCache
+		buildOptions.CacheFrom, err = buildflags.ParseCacheEntry(service.Build.CacheFrom)
+		if err != nil {
+			return err
+		}
 
-			for _, image := range service.Build.CacheFrom {
-				buildOptions.CacheFrom = append(buildOptions.CacheFrom, bclient.CacheOptionsEntry{
-					Type:  "registry",
-					Attrs: map[string]string{"ref": image},
-				})
-			}
-			opts[imageName] = buildOptions
+		for _, image := range service.Build.CacheFrom {
+			buildOptions.CacheFrom = append(buildOptions.CacheFrom, bclient.CacheOptionsEntry{
+				Type:  "registry",
+				Attrs: map[string]string{"ref": image},
+			})
 		}
+		opts[imageName] = buildOptions
 	}
 
 	_, err = s.doBuild(ctx, project, opts, options.Progress)
@@ -312,11 +313,11 @@ func mergeArgs(m ...types.Mapping) types.Mapping {
 	return merged
 }
 
-func dockerFilePath(context string, dockerfile string) string {
-	if urlutil.IsGitURL(context) || filepath.IsAbs(dockerfile) {
+func dockerFilePath(ctxName string, dockerfile string) string {
+	if urlutil.IsGitURL(ctxName) || filepath.IsAbs(dockerfile) {
 		return dockerfile
 	}
-	return filepath.Join(context, dockerfile)
+	return filepath.Join(ctxName, dockerfile)
 }
 
 func sshAgentProvider(sshKeys types.SSHConfig) (session.Attachable, error) {

pkg/compose/build_classic.go

@@ -64,7 +64,7 @@ func (s *composeService) doBuildClassic(ctx context.Context, project *types.Proj
 	return nameDigests, errs
 }
 
-// nolint: gocyclo
+//nolint: gocyclo
 func (s *composeService) doBuildClassicSimpleImage(ctx context.Context, options buildx.Options) (string, error) {
 	var (
 		buildCtx      io.ReadCloser
@@ -96,7 +96,7 @@ func (s *composeService) doBuildClassicSimpleImage(ctx context.Context, options
 			if err != nil {
 				return "", errors.Errorf("unable to open Dockerfile: %v", err)
 			}
-			defer dockerfileCtx.Close() // nolint:errcheck
+			defer dockerfileCtx.Close() //nolint:errcheck
 		}
 	case urlutil.IsGitURL(specifiedContext):
 		tempDir, relDockerfile, err = build.GetContextFromGitURL(specifiedContext, dockerfileName)
@@ -111,7 +111,7 @@ func (s *composeService) doBuildClassicSimpleImage(ctx context.Context, options
 	}
 
 	if tempDir != "" {
-		defer os.RemoveAll(tempDir) // nolint:errcheck
+		defer os.RemoveAll(tempDir) //nolint:errcheck
 		contextDir = tempDir
 	}
 
@@ -175,7 +175,7 @@ func (s *composeService) doBuildClassicSimpleImage(ctx context.Context, options
 	if err != nil {
 		return "", err
 	}
-	defer response.Body.Close() // nolint:errcheck
+	defer response.Body.Close() //nolint:errcheck
 
 	imageID := ""
 	aux := func(msg jsonmessage.JSONMessage) {
@@ -214,7 +214,7 @@ func (s *composeService) doBuildClassicSimpleImage(ctx context.Context, options
 		if imageID == "" {
 			return "", errors.Errorf("Server did not provide an image ID. Cannot write %s", options.ImageIDFile)
 		}
-		if err := os.WriteFile(options.ImageIDFile, []byte(imageID), 0666); err != nil {
+		if err := os.WriteFile(options.ImageIDFile, []byte(imageID), 0o666); err != nil {
 			return "", err
 		}
 	}

pkg/compose/convergence.go

@@ -553,7 +553,7 @@ func (s composeService) getLinks(ctx context.Context, projectName string, servic
 			containerName := getCanonicalContainerName(c)
 			links = append(links,
 				format(containerName, linkName),
-				format(containerName, strings.Join([]string{linkServiceName, strconv.Itoa(number)}, Separator)),
+				format(containerName, linkServiceName+Separator+strconv.Itoa(number)),
 				format(containerName, strings.Join([]string{projectName, linkServiceName, strconv.Itoa(number)}, Separator)),
 			)
 		}