1 files changed, 26 insertions, 1 deletions
diff --git a/vendor/github.com/spf13/afero/cacheOnReadFs.go b/vendor/github.com/spf13/afero/cacheOnReadFs.go
index 29a26c67d..017d344fd 100644
--- a/vendor/github.com/spf13/afero/cacheOnReadFs.go
+++ b/vendor/github.com/spf13/afero/cacheOnReadFs.go
@@ -75,6 +75,10 @@ func (u *CacheOnReadFs) copyToLayer(name string) error {
 	return copyToLayer(u.base, u.layer, name)
 }
 
+func (u *CacheOnReadFs) copyFileToLayer(name string, flag int, perm os.FileMode) error {
+	return copyFileToLayer(u.base, u.layer, name, flag, perm)
+}
+
 func (u *CacheOnReadFs) Chtimes(name string, atime, mtime time.Time) error {
 	st, _, err := u.cacheStatus(name)
 	if err != nil {
@@ -117,6 +121,27 @@ func (u *CacheOnReadFs) Chmod(name string, mode os.FileMode) error {
 	return u.layer.Chmod(name, mode)
 }
 
+func (u *CacheOnReadFs) Chown(name string, uid, gid int) error {
+	st, _, err := u.cacheStatus(name)
+	if err != nil {
+		return err
+	}
+	switch st {
+	case cacheLocal:
+	case cacheHit:
+		err = u.base.Chown(name, uid, gid)
+	case cacheStale, cacheMiss:
+		if err := u.copyToLayer(name); err != nil {
+			return err
+		}
+		err = u.base.Chown(name, uid, gid)
+	}
+	if err != nil {
+		return err
+	}
+	return u.layer.Chown(name, uid, gid)
+}
+
 func (u *CacheOnReadFs) Stat(name string) (os.FileInfo, error) {
 	st, fi, err := u.cacheStatus(name)
 	if err != nil {
@@ -191,7 +216,7 @@ func (u *CacheOnReadFs) OpenFile(name string, flag int, perm os.FileMode) (File,
 	switch st {
 	case cacheLocal, cacheHit:
 	default:
-		if err := u.copyToLayer(name); err != nil {
+		if err := u.copyFileToLayer(name, flag, perm); err != nil {
 			return nil, err
 		}
 	}