motiejus/undocker
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rootfs: remove ./ prefix from filenames

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I've seen a container (private one) whose filenames start with ./, but
the layer name does not have the prefix, causing undocker to fail.

Let's always normalize the names to not have the prefix.
This commit is contained in:
Motiejus Jakštys 2022-06-09 14:22:19 +03:00
parent 41baf180a3
commit 4408a9e005
1 changed files with 2 additions and 2 deletions
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4
rootfs/rootfs.go
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@ -69,7 +69,7 @@ func Flatten(rd io.ReadSeeker, w io.Writer) (_err error) {
if err != nil { if err != nil {
return err return err
} }
layerOffsets[hdr.Name] = here layerOffsets[strings.TrimPrefix(hdr.Name, "./")] = here
} }
} }
@ -82,7 +82,7 @@ func Flatten(rd io.ReadSeeker, w io.Writer) (_err error) {
for i, name := range manifest[0].Layers { for i, name := range manifest[0].Layers {
layers[i] = nameOffset{ layers[i] = nameOffset{
name: name, name: name,
offset: layerOffsets[name], offset: layerOffsets[strings.TrimPrefix(name, "./")],
} }
} }