feat(stacks): support automated sync for stacks [EE-248] (#5340)

api/backup/copy.go

@@ -1,68 +0,0 @@
-package backup
-
-import (
-	"errors"
-	"io"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-func copyPath(path string, toDir string) error {
-	info, err := os.Stat(path)
-	if err != nil && errors.Is(err, os.ErrNotExist) {
-		// skip copy if file does not exist
-		return nil
-	}
-
-	if !info.IsDir() {
-		destination := filepath.Join(toDir, info.Name())
-		return copyFile(path, destination)
-	}
-
-	return copyDir(path, toDir)
-}
-
-func copyDir(fromDir, toDir string) error {
-	cleanedSourcePath := filepath.Clean(fromDir)
-	parentDirectory := filepath.Dir(cleanedSourcePath)
-	err := filepath.Walk(cleanedSourcePath, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-		destination := filepath.Join(toDir, strings.TrimPrefix(path, parentDirectory))
-		if info.IsDir() {
-			return nil // skip directory creations
-		}
-
-		if info.Mode()&os.ModeSymlink != 0 { // entry is a symlink
-			return nil // don't copy symlinks
-		}
-
-		return copyFile(path, destination)
-	})
-
-	return err
-}
-
-// copies regular a file from src to dst
-func copyFile(src, dst string) error {
-	from, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer from.Close()
-
-	// has to include 'execute' bit, otherwise fails. MkdirAll follows `mkdir -m` restrictions
-	if err := os.MkdirAll(filepath.Dir(dst), 0744); err != nil {
-		return err
-	}
-	to, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer to.Close()
-
-	_, err = io.Copy(to, from)
-	return err
-}