feat: pin action.yml dependencies with Ratchet (#28)

action.yml

@@ -47,7 +47,7 @@ runs:
   using: 'composite'
   steps:
     - name: 'setup-terraform'
-      uses: 'hashicorp/setup-terraform@v2'
+      uses: 'hashicorp/setup-terraform@633666f66e0061ca3b725c73b2ec20cd13a8fdd1' # ratchet:hashicorp/setup-terraform@v2
       with:
         terraform_version: '${{ inputs.terraform_version }}'
         terraform_wrapper: '${{ inputs.terraform_wrapper }}'

cmd/lint-action/main.go

@@ -67,5 +67,8 @@ func realMain() error {
 		return fmt.Errorf("expected at least one argument, got %d", got)
 	}
 
-	return linter.RunLinter(ctx, args, &linter.GitHubActionLinter{})
+	if err := linter.RunLinter(ctx, args, &linter.GitHubActionLinter{}); err != nil {
+		return fmt.Errorf("error running linter %w", err)
+	}
+	return nil
 }

cmd/lint-terraform/main.go

@@ -67,5 +67,8 @@ func realMain() error {
 		return fmt.Errorf("expected at least one argument, got %d", got)
 	}
 
-	return linter.RunLinter(ctx, args, &linter.TerraformLinter{})
+	if err := linter.RunLinter(ctx, args, &linter.TerraformLinter{}); err != nil {
+		return fmt.Errorf("error running linter %w", err)
+	}
+	return nil
 }

pkg/linter/linter.go

@@ -92,7 +92,7 @@ func lint(path string, linter Linter) ([]*ViolationInstance, error) {
 				}
 				results, err := linter.FindViolations(content, path)
 				if err != nil {
-					return nil, err
+					return nil, fmt.Errorf("error searching for violations %w", err)
 				}
 				instances = append(instances, results...)
 			}
@@ -104,7 +104,7 @@ func lint(path string, linter Linter) ([]*ViolationInstance, error) {
 func isDirectory(path string) (bool, error) {
 	fileInfo, err := os.Stat(path)
 	if err != nil {
-		return false, err
+		return false, fmt.Errorf("error reading file information %w", err)
 	}
 	return fileInfo.IsDir(), err
 }