style: replace curly apostrophes with straight apostrophes

build/mockery/mockery.yaml

@@ -111,7 +111,7 @@ recursive: true
 # exclude: []
 
 # Include auto-generated files in package discovery when true.
-# When false, skips files matching Go’s generated file convention (e.g., "// Code generated").
+# When false, skips files matching Go's generated file convention (e.g., "// Code generated").
 # Default: true
 # include-auto-generated: false
 
@@ -145,7 +145,7 @@ recursive: true
 # with-expecter: true
 
 # Specify build tags for the generated mock files.
-# Matches Go’s build constraint syntax (e.g., "// +build tag1,tag2").
+# Matches Go's build constraint syntax (e.g., "// +build tag1,tag2").
 # https://pkg.go.dev/cmd/go#hdr-Build_constraints
 # Default: ""
 # mock-build-tags: ""
@@ -179,7 +179,7 @@ pkgname: "mocks"
 # inpackage: true
 
 # Define the output directory for mocks using a Go template.
-# "{{.InterfaceDir}}/mocks" places mocks in a subdirectory of the interface’s source dir.
+# "{{.InterfaceDir}}/mocks" places mocks in a subdirectory of the interface's source dir.
 # Default: "mocks/{{.PackagePath}}"
 dir: "{{.InterfaceDir}}/mocks"
 

cmd/notify-upgrade.go

@@ -31,7 +31,7 @@ var (
 )
 
 // init registers the notify-upgrade command with the root command.
-// It follows Cobra’s best practice of adding subcommands in an init function,
+// It follows Cobra's best practice of adding subcommands in an init function,
 // avoiding global variables and ensuring proper command hierarchy setup.
 func init() {
 	rootCmd.AddCommand(&cobra.Command{
@@ -59,7 +59,7 @@ func runNotifyUpgrade(cmd *cobra.Command, args []string) {
 //   - cmd: The *cobra.Command instance representing the `notify-upgrade` subcommand, providing access to parsed flags
 //     such as notification types (e.g., --notifications) and other settings that influence notifier behavior.
 //   - _: A slice of strings representing positional arguments, unused here as the command accepts no arguments (enforced
-//     by cobra.NoArgs), included for compatibility with Cobra’s RunE signature.
+//     by cobra.NoArgs), included for compatibility with Cobra's RunE signature.
 //
 // Returns:
 //   - error: An error value if a critical operation fails (e.g., creating or writing to the temporary file), wrapped with
@@ -107,7 +107,7 @@ func runNotifyUpgradeE(cmd *cobra.Command, _ []string) error {
 		urlBuilder.WriteString(u)
 	}
 
-	// Write the constructed string to the temporary file. This is a critical step, as the file’s purpose is to store this data.
+	// Write the constructed string to the temporary file. This is a critical step, as the file's purpose is to store this data.
 	_, err = fmt.Fprint(outFile, urlBuilder.String())
 	if err != nil {
 		logrus.WithError(err).
@@ -127,7 +127,7 @@ func runNotifyUpgradeE(cmd *cobra.Command, _ []string) error {
 		return fmt.Errorf("%w: %w", errSyncTempFile, err)
 	}
 
-	// Attempt to retrieve the running container’s ID to provide precise instructions for copying the file from the container.
+	// Attempt to retrieve the running container's ID to provide precise instructions for copying the file from the container.
 	// Use a placeholder ("<CONTAINER>") if this fails, ensuring the user still gets actionable guidance.
 	containerID := "<CONTAINER>"
 

cmd/root.go

@@ -213,7 +213,7 @@ var (
 //
 // It invokes functions from the flags package to set default values and register flags for Docker configuration
 // (e.g., --host), system behavior (e.g., --interval), and notifications (e.g., --notifications), establishing
-// the CLI’s configurable parameters before execution begins.
+// the CLI's configurable parameters before execution begins.
 func init() {
 	flags.SetDefaults()
 	flags.RegisterDockerFlags(rootCmd)
@@ -457,7 +457,7 @@ func preRun(cmd *cobra.Command, _ []string) {
 // builds the container filter, and delegates to runMain for core execution,
 // exiting with a status code based on the outcome (0 for success, non-zero for failure).
 //
-// This function bridges flag parsing and the application’s primary workflow.
+// This function bridges flag parsing and the application's primary workflow.
 //
 // Parameters:
 //   - command: The cobra.Command instance being executed, providing access to parsed flags.

internal/actions/doc.go

@@ -1,4 +1,4 @@
-// Package actions provides core logic for Watchtower’s container update operations.
+// Package actions provides core logic for Watchtower's container update operations.
 // It handles container staleness checks, updates, and lifecycle management.
 //
 // Key components:

internal/actions/errors.go

@@ -32,7 +32,7 @@ var (
 	errStartContainerFailed = errors.New("failed to start container")
 	// errCreateContainerFailed indicates a failure to create a container during the update process.
 	errCreateContainerFailed = errors.New("failed to create container")
-	// errParseImageReference indicates a failure to parse a container’s image reference.
+	// errParseImageReference indicates a failure to parse a container's image reference.
 	errParseImageReference = errors.New("failed to parse image reference")
 	// errInvalidImageReference indicates an invalid image reference that cannot be processed.
 	errInvalidImageReference = errors.New("invalid image reference")

internal/actions/mocks/progress.go

@@ -58,7 +58,7 @@ func CreateMockProgressReport(states ...session.State) types.Report {
 			progress.AddScanned(c, c.ImageID(), types.UpdateParams{})
 			progress.MarkRestarted(c.ID())
 		case session.UnknownState, session.ScannedState, session.StaleState:
-			// These states are not explicitly handled in this mock as they’re intermediate or unused here.
+			// These states are not explicitly handled in this mock as they're intermediate or unused here.
 			continue
 		}
 

internal/actions/update.go

@@ -234,7 +234,7 @@ func Update(
 			}
 		}
 
-		// Verify the container’s configuration if it’s slated for update to
+		// Verify the container's configuration if it's slated for update to
 		// ensure recreation is possible.
 		if err == nil && shouldUpdate {
 			err = sourceContainer.VerifyConfiguration()
@@ -452,7 +452,7 @@ func Update(
 			}
 		}
 
-		// Update the container’s stale status for dependency sorting.
+		// Update the container's stale status for dependency sorting.
 		// Only mark as stale if the container should actually be updated.
 		filteredContainers[i].SetStale(stale && shouldUpdate)
 
@@ -1023,7 +1023,7 @@ func parseReference(
 	return normalizedRef, nil
 }
 
-// isPinned checks if a container’s image is pinned by a digest reference.
+// isPinned checks if a container's image is pinned by a digest reference.
 //
 // It selects a valid image name from ImageName(), Config.Image,
 // or a fallback (imageInfo.ID or container name),

internal/flags/flags.go

@@ -43,9 +43,9 @@ var (
 	errOpenFileFailed = errors.New("failed to open secret file")
 	// errReplaceSliceFailed indicates a failure to replace a slice value in a flag.
 	errReplaceSliceFailed = errors.New("failed to replace slice value in flag")
-	// errReadFileFailed indicates a failure to read a file’s contents for secrets.
+	// errReadFileFailed indicates a failure to read a file's contents for secrets.
 	errReadFileFailed = errors.New("failed to read secret file")
-	// errSetFlagFailed indicates a failure to set a flag’s value during configuration.
+	// errSetFlagFailed indicates a failure to set a flag's value during configuration.
 	errSetFlagFailed = errors.New("failed to set flag value")
 	// errInvalidFlagName indicates an invalid flag name was provided for modification.
 	errInvalidFlagName = errors.New("invalid flag name provided")
@@ -1070,7 +1070,7 @@ func getSecretFromFile(flags *pflag.FlagSet, secret string) error {
 func isFilePath(path string) bool {
 	firstColon := strings.IndexRune(path, ':')
 	if firstColon != 1 && firstColon != -1 {
-		// If ':' exists but isn’t the second character, it’s likely not a file path (e.g., URLs).
+		// If ':' exists but isn't the second character, it's likely not a file path (e.g., URLs).
 		return false
 	}
 
@@ -1323,7 +1323,7 @@ func appendFlagValue(flags *pflag.FlagSet, name string, values ...string) error
 	return nil
 }
 
-// setFlagIfDefault sets a flag’s default value if unchanged.
+// setFlagIfDefault sets a flag's default value if unchanged.
 //
 // Parameters:
 //   - flags: Flag set.

internal/flags/flags_test.go

@@ -787,7 +787,7 @@ func TestReadFlags_Errors(t *testing.T) {
 	cmd := new(cobra.Command)
 
 	SetDefaults()
-	// Don’t register flags to force errors
+	// Don't register flags to force errors
 	assert.PanicsWithValue(t, "FATAL", func() {
 		ReadFlags(cmd)
 	})

pkg/container/client.go

@@ -907,7 +907,7 @@ func (c *client) WarnOnHeadPullFailed(container types.Container) bool {
 	return registry.WarnOnAPIConsumption(container)
 }
 
-// IsContainerStale checks if a container’s image is outdated.
+// IsContainerStale checks if a container's image is outdated.
 //
 // Parameters:
 //   - container: Container to check.
@@ -1136,7 +1136,7 @@ func (c *client) RemoveImageByID(
 	return nil
 }
 
-// GetVersion returns the client’s API version.
+// GetVersion returns the client's API version.
 //
 // Returns:
 //   - string: Docker API version (e.g., "1.44").

pkg/container/container.go

@@ -123,7 +123,7 @@ func (c *Container) SetLinkedToRestarting(value bool) {
 	c.LinkedToRestarting = value
 }
 
-// IsStale returns whether the container’s image is outdated.
+// IsStale returns whether the container's image is outdated.
 //
 // Returns:
 //   - bool: True if stale, false otherwise.
@@ -222,7 +222,7 @@ func (c *Container) Name() string {
 	return c.normalizedName
 }
 
-// ImageID returns the ID of the container’s image.
+// ImageID returns the ID of the container's image.
 //
 // Returns:
 //   - types.ImageID: Image ID or empty string if imageInfo is nil.
@@ -234,7 +234,7 @@ func (c *Container) ImageID() types.ImageID {
 	return types.ImageID(c.imageInfo.ID)
 }
 
-// ImageName returns the name of the container’s image.
+// ImageName returns the name of the container's image.
 //
 // It uses the Zodiac label if present, otherwise Config.Image, appending ":latest" if untagged.
 //
@@ -450,7 +450,7 @@ func (c *Container) GetCreateHostConfig() *dockerContainer.HostConfig {
 	return hostConfig
 }
 
-// VerifyConfiguration validates the container’s metadata for recreation.
+// VerifyConfiguration validates the container's metadata for recreation.
 //
 // Returns:
 //   - error: Non-nil if metadata is missing or invalid, nil on success.

pkg/container/container_source.go

@@ -653,12 +653,12 @@ func validateMacAddresses(
 		}
 	}
 
-	// Retrieve container state to determine if it’s running, which affects MAC address expectations.
+	// Retrieve container state to determine if it's running, which affects MAC address expectations.
 	// Non-running containers (e.g., created, exited) typically lack MAC addresses due to inactive network interfaces.
 	containerInfo := sourceContainer.ContainerInfo()
 	isRunning := sourceContainer.IsRunning()
 
-	// Extract the container’s state (e.g., "running", "created", "exited") for logging context.
+	// Extract the container's state (e.g., "running", "created", "exited") for logging context.
 	// Use "unknown" as a fallback if container metadata is incomplete to ensure safe logging.
 	containerState := "unknown"
 	if containerInfo != nil && containerInfo.State != nil {
@@ -680,7 +680,7 @@ func validateMacAddresses(
 		return nil
 	}
 
-	// Handle host network mode, where the container uses the host’s network stack and should not have its own MAC addresses.
+	// Handle host network mode, where the container uses the host's network stack and should not have its own MAC addresses.
 	if isHostNetwork {
 		if foundMac {
 			// MAC addresses in host mode are unexpected and indicate a misconfiguration; log a warning and return an error.
@@ -720,7 +720,7 @@ func validateMacAddresses(
 	return nil
 }
 
-// filterAliases removes the container’s short ID from the list of aliases.
+// filterAliases removes the container's short ID from the list of aliases.
 //
 // Parameters:
 //   - aliases: List of aliases to filter.
@@ -740,7 +740,7 @@ func filterAliases(aliases []string, shortID string) []string {
 	return result
 }
 
-// debugLogMacAddress logs MAC address info for a container’s network config.
+// debugLogMacAddress logs MAC address info for a container's network config.
 //
 // Parameters:
 //   - networkConfig: Network configuration to check.

pkg/container/doc.go

@@ -20,6 +20,6 @@
 //	    }
 //	}
 //
-// The package integrates with Docker’s API via docker/docker client libraries and supports
-// Watchtower’s update workflows, including authentication, scope filtering, and custom lifecycle hooks.
+// The package integrates with Docker's API via docker/docker client libraries and supports
+// Watchtower's update workflows, including authentication, scope filtering, and custom lifecycle hooks.
 package container

pkg/container/errors.go

@@ -14,7 +14,7 @@ var (
 	errAttachExecFailed = errors.New("failed to attach to exec instance")
 	// errReadExecOutputFailed indicates a failure to read output from an exec instance.
 	errReadExecOutputFailed = errors.New("failed to read exec output")
-	// errInspectExecFailed indicates a failure to inspect an exec instance’s status.
+	// errInspectExecFailed indicates a failure to inspect an exec instance's status.
 	errInspectExecFailed = errors.New("failed to inspect exec instance")
 	// errCommandFailed indicates a command executed in a container failed with a non-zero exit code.
 	errCommandFailed = errors.New("command execution failed")
@@ -24,7 +24,7 @@ var (
 var (
 	// errListContainersFailed indicates a failure to list containers from the Docker host.
 	errListContainersFailed = errors.New("failed to list containers")
-	// errInspectContainerFailed indicates a failure to inspect a container’s details.
+	// errInspectContainerFailed indicates a failure to inspect a container's details.
 	errInspectContainerFailed = errors.New("failed to inspect container")
 	// errStopContainerFailed indicates a failure to stop a container with a signal.
 	errStopContainerFailed = errors.New("failed to stop container")
@@ -56,7 +56,7 @@ var (
 	errNoImageInfo = errors.New("no image info available")
 	// errNoContainerInfo indicates the container lacks metadata required for recreation.
 	errNoContainerInfo = errors.New("no container info available")
-	// errInvalidConfig indicates the container’s configuration is invalid for recreation.
+	// errInvalidConfig indicates the container's configuration is invalid for recreation.
 	errInvalidConfig = errors.New("invalid container configuration")
 	// ErrUnexpectedContainerType indicates an unexpected container type was encountered.
 	ErrUnexpectedContainerType = errors.New("unexpected container type")
@@ -86,7 +86,7 @@ var (
 
 // Errors for label operations in metadata.go.
 var (
-	// errLabelNotFound indicates a requested label is not present in the container’s metadata.
+	// errLabelNotFound indicates a requested label is not present in the container's metadata.
 	errLabelNotFound = errors.New("label not found")
 )
 

pkg/container/image.go

@@ -43,7 +43,7 @@ type imageClient struct {
 	api dockerClient.APIClient
 }
 
-// IsContainerStale determines if a container’s image is outdated.
+// IsContainerStale determines if a container's image is outdated.
 //
 // It skips pulling if NoPull is set, otherwise pulls and compares images.
 //

pkg/container/mocks/ApiServer.go

@@ -26,7 +26,7 @@ const (
 	assertionOffset      = 2 // Call stack offset for Gomega assertions in nested calls
 )
 
-// Returns the file contents or an error if the file isn’t found.
+// Returns the file contents or an error if the file isn't found.
 func getMockJSONFile(relPath string) ([]byte, error) {
 	absPath, _ := filepath.Abs(relPath)
 
@@ -50,7 +50,7 @@ func RespondWithJSONFile(
 	return handler
 }
 
-// Returns the handler and an error if the file can’t be read.
+// Returns the handler and an error if the file can't be read.
 func respondWithJSONFile(
 	relPath string,
 	statusCode int,
@@ -73,7 +73,7 @@ func GetContainerHandlers(containerRefs ...*ContainerRef) []http.HandlerFunc {
 		for _, ref := range containerRef.references {
 			handlers = append(handlers, getContainerFileHandler(ref))
 		}
-		// Append image handler for each container’s image
+		// Append image handler for each container's image
 		handlers = append(handlers, getImageHandler(containerRef.image.id,
 			RespondWithJSONFile(containerRef.image.getFileName(), http.StatusOK),
 		))
@@ -178,7 +178,7 @@ const (
 	NetSupplierContainerName = "/wt-contnet-producer-1"
 )
 
-// Fails the test if the file can’t be retrieved; returns a 404 handler if the container is missing.
+// Fails the test if the file can't be retrieved; returns a 404 handler if the container is missing.
 func getContainerFileHandler(container *ContainerRef) http.HandlerFunc {
 	if container.isMissing {
 		return containerNotFoundResponse(string(container.id))

pkg/container/mocks/container_ref.go

@@ -29,7 +29,7 @@ type ContainerRef struct {
 	isMissing  bool
 }
 
-// Uses the explicit file if set, otherwise falls back to the container name; returns an error if the file doesn’t exist.
+// Uses the explicit file if set, otherwise falls back to the container name; returns an error if the file doesn't exist.
 func (cr *ContainerRef) getContainerFile() (string, error) {
 	file := cr.file
 	if file == "" {
@@ -50,7 +50,7 @@ func (cr *ContainerRef) getContainerFile() (string, error) {
 	return containerFile, nil
 }
 
-// ContainerID returns the mock container’s ID.
+// ContainerID returns the mock container's ID.
 func (cr *ContainerRef) ContainerID() types.ContainerID {
 	return cr.id
 }

pkg/lifecycle/lifecycle.go

@@ -185,7 +185,7 @@ func ExecutePreUpdateCommand(
 		"timeout":   timeout,
 	})
 
-	// Skip if no command or container isn’t running.
+	// Skip if no command or container isn't running.
 	if len(command) == 0 {
 		clog.Debug("No pre-update command supplied. Skipping")
 

pkg/notifications/email.go

@@ -86,7 +86,7 @@ func newEmailNotifier(c *cobra.Command) types.ConvertibleNotifier {
 	}
 }
 
-// GetURL generates the SMTP URL from the notifier’s configuration.
+// GetURL generates the SMTP URL from the notifier's configuration.
 //
 // Parameters:
 //   - c: Cobra command (unused here).