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Merge pull request #244 from thaJeztah/18.09_backport_fix_copying

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[18.09 backport] image: do actual RootFS.DiffIDs copying in Clone()
Upstream-commit: 423f39ab05d121e1aeb6e59732386fb50c17f49b
Component: engine
This commit is contained in:
Andrew Hsu
2019-06-17 12:30:32 -07:00
committed by GitHub
parent 2bfd8549de 7f53e08190
commit d25b6ea6fd
1 changed files with 2 additions and 1 deletions
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3
components/engine/image/rootfs.go
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@ -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
}