Address linting 2

tools/gomod-required-updater/internal/updater/interfaces.go

@@ -4,7 +4,7 @@
 package updater
 
 import (
-	"fmt"
+	"errors"
 	"os"
 	"time"
 
@@ -19,9 +19,9 @@ const (
 // Errors that can be returned by the updater package
 var (
 	// ErrModOperation indicates a failure in a module-related operation
-	ErrModOperation = fmt.Errorf("module operation failed")
+	ErrModOperation = errors.New("module operation failed")
 	// ErrInvalidConfig indicates invalid configuration parameters
-	ErrInvalidConfig = fmt.Errorf("invalid configuration")
+	ErrInvalidConfig = errors.New("invalid configuration")
 )
 
 // ModuleOperator handles Git repository operations and module version management.

tools/gomod-required-updater/internal/updater/module_operator.go

@@ -63,6 +63,7 @@ func validateGitInput(remote, branch string) error {
 
 // GetGitInfo retrieves the latest commit SHA and timestamp from a Git repository
 func (m *moduleOperator) GetGitInfo(remote, branch string) (string, time.Time, error) {
+	// Validate remote and branch against strict regex patterns before using in exec
 	if err := validateGitInput(remote, branch); err != nil {
 		return "", time.Time{}, err
 	}
@@ -74,7 +75,7 @@ func (m *moduleOperator) GetGitInfo(remote, branch string) (string, time.Time, e
 	cmd := exec.CommandContext(ctx, "git", "ls-remote", remote, "refs/heads/"+branch)
 	out, err := cmd.Output()
 	if err != nil {
-		return "", time.Time{}, fmt.Errorf("%w: failed to get SHA: %v", ErrModOperation, err)
+		return "", time.Time{}, fmt.Errorf("%w: failed to get SHA: %w", ErrModOperation, err)
 	}
 	if len(out) == 0 {
 		return "", time.Time{}, fmt.Errorf("%w: no output from git ls-remote", ErrModOperation)

tools/gomod-required-updater/internal/updater/system_operator.go

@@ -5,10 +5,6 @@ import (
 	"path/filepath"
 )
 
-const (
-	defaultFileMode = 0644
-)
-
 type systemOperator struct{}
 
 func NewSystemOperator() SystemOperator {