'ss'

fileutils/copy.go

@@ -0,0 +1,40 @@
+package fileutils
+
+import (
+	"io/fs"
+	"os"
+	"path"
+
+	"github.com/spf13/afero"
+)
+
+// Copy copies a file or folder from one place to another.
+func Copy(afs afero.Fs, src, dst string, fileMode, dirMode fs.FileMode) error {
+	if src = path.Clean("/" + src); src == "" {
+		return os.ErrNotExist
+	}
+
+	if dst = path.Clean("/" + dst); dst == "" {
+		return os.ErrNotExist
+	}
+
+	if src == "/" || dst == "/" {
+		// Prohibit copying from or to the virtual root directory.
+		return os.ErrInvalid
+	}
+
+	if dst == src {
+		return os.ErrInvalid
+	}
+
+	info, err := afs.Stat(src)
+	if err != nil {
+		return err
+	}
+
+	if info.IsDir() {
+		return CopyDir(afs, src, dst, fileMode, dirMode)
+	}
+
+	return CopyFile(afs, src, dst, fileMode, dirMode)
+}