Merge pull request #38888 from quasilyte/fix_copying

image: do actual RootFS.DiffIDs copying in Clone()
2019-03-21 01:48:27 +01:00 · 2019-03-21 01:48:27 +01:00 · 8ad6dcf2a5
parent 2ceaaa50fd 3429e99930
commit 8ad6dcf2a5
1 changed files with 2 additions and 1 deletions
--- a/image/rootfs.go
+++ b/image/rootfs.go
@ -38,7 +38,8 @@ func (r *RootFS) Append(id layer.DiffID) {
 func (r *RootFS) Clone() *RootFS {
 	newRoot := NewRootFS()
 	newRoot.Type = r.Type
-	newRoot.DiffIDs = append(r.DiffIDs)
+	newRoot.DiffIDs = make([]layer.DiffID, len(r.DiffIDs))
+	copy(newRoot.DiffIDs, r.DiffIDs)
 	return newRoot
 }