Support directory targets for pr automations (#506)

Need to expand the directory recursively and template from there

pkg/pr/creates.go

@@ -2,8 +2,15 @@ package pr
 
 import (
 	"path/filepath"
+
+	"github.com/pluralsh/plural-cli/pkg/utils"
 )
 
+type replacement struct {
+	source string
+	dest   string
+}
+
 func applyCreates(creates *CreateSpec, ctx map[string]interface{}) error {
 	if creates == nil {
 		return nil
@@ -21,10 +28,30 @@ func applyCreates(creates *CreateSpec, ctx map[string]interface{}) error {
 			dest = destPath
 		}
 
-		if err := replaceTo(source, string(dest), func(data []byte) ([]byte, error) {
-			return templateReplacement(data, ctx)
-		}); err != nil {
-			return err
+		replacements := []replacement{{source, string(dest)}}
+		if utils.IsDir(source) {
+			files, err := utils.ListDirectory(source)
+			if err != nil {
+				return err
+			}
+
+			replacements = []replacement{}
+			for _, file := range files {
+				destFile, err := filepath.Rel(source, file)
+				if err != nil {
+					return err
+				}
+				destFile = filepath.Join(string(dest), destFile)
+				replacements = append(replacements, replacement{source: file, dest: destFile})
+			}
+		}
+
+		for _, replacement := range replacements {
+			if err := replaceTo(replacement.source, replacement.dest, func(data []byte) ([]byte, error) {
+				return templateReplacement(data, ctx)
+			}); err != nil {
+				return err
+			}
 		}
 	}
 

pkg/utils/file.go

@@ -14,6 +14,27 @@ import (
 	"sigs.k8s.io/yaml"
 )
 
+func ListDirectory(dir string) ([]string, error) {
+	var files []string
+	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if !info.IsDir() {
+			files = append(files, path)
+		}
+		return nil
+	})
+
+	return files, err
+}
+
+func IsDir(path string) bool {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		return false
+	}
+
+	return fileInfo.IsDir()
+}
+
 func CopyFile(src, dest string) error {
 	bytesRead, err := os.ReadFile(src)
 	if err != nil {