automatically prepend generated info to generated files; generate for…

… all package types

internal/docs/readme.go

@@ -209,9 +209,6 @@ func renderReadme(fileName, packageRoot, templatePath string, linksMap linkMap)
 			}
 			return linksMap.RenderLink(args[0], options)
 		},
-		"header": func(args ...string) (string, error) {
-			return doNotModifyStr, nil
-		},
 	}).ParseFiles(templatePath)
 	if err != nil {
 		return nil, fmt.Errorf("parsing README template failed (path: %s): %w", templatePath, err)
@@ -222,7 +219,10 @@ func renderReadme(fileName, packageRoot, templatePath string, linksMap linkMap)
 	if err != nil {
 		return nil, fmt.Errorf("executing template failed: %w", err)
 	}
-	return rendered.Bytes(), nil
+
+	// Prepend the doNotModifyStr to all generated files
+	result := append([]byte(doNotModifyStr+"\n"), rendered.Bytes()...)
+	return result, nil
 }
 
 func readReadme(fileName, packageRoot string) ([]byte, bool, error) {

internal/packages/archetype/package.go

@@ -54,12 +54,10 @@ func createPackageInDir(packageDescriptor PackageDescriptor, cwd string) error {
 		return fmt.Errorf("can't render package README: %w", err)
 	}
 
-	if packageDescriptor.Manifest.Type == "integration" {
-		logger.Debugf("Write docs readme to _dev")
-		err = renderResourceFile(packageDocsReadme, &packageDescriptor, filepath.Join(baseDir, "_dev", "build", "docs", "README.md"))
-		if err != nil {
-			return fmt.Errorf("can't render package README in _dev: %w", err)
-		}
+	logger.Debugf("Write docs readme to _dev")
+	err = renderResourceFile(packageDocsReadme, &packageDescriptor, filepath.Join(baseDir, "_dev", "build", "docs", "README.md"))
+	if err != nil {
+		return fmt.Errorf("can't render package README in _dev: %w", err)
 	}
 
 	if license := packageDescriptor.Manifest.Source.License; license != "" {

test/packages/parallel/apache/_dev/build/docs/README.md

@@ -1,4 +1,3 @@
-{{ `{{header}}` }}
 # Apache Integration for Elastic
 
 ## Overview

test/packages/parallel/apache/docs/README.md

@@ -1,4 +1,5 @@
-{{header}}
+<!-- NOTICE: Do not edit this file manually.-->
+<!-- This file is automatically generated by Elastic Package -->
 # Apache Integration for Elastic
 
 ## Overview