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Fixes missing whiteout parent directories

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Ensures include parents is called for whiteouts

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan 2018-02-02 17:02:14 -08:00
parent 254807da5b
commit d778dd15d8
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GPG Key ID: F58C5D0A4405ACDB
2 changed files with 44 additions and 0 deletions
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3
archive/tar.go
View File

@ -436,6 +436,9 @@ func (cw *changeWriter) HandleChange(k fs.ChangeKind, p string, f os.FileInfo, e
AccessTime: cw.whiteoutT,
ChangeTime: cw.whiteoutT,
}
if err := cw.includeParents(hdr); err != nil {
return err
}
if err := cw.tw.WriteHeader(hdr); err != nil {
return errors.Wrap(err, "failed to write whiteout header")
}

41
archive/tar_test.go
View File

@ -874,6 +874,7 @@ func TestDiffTar(t *testing.T) {
fileEntry("d3/l1", []byte("link me"), 0644),
dirEntry("d4/", 0755),
linkEntry("d4/f1", "d3/l1"),
dirEntry("d6/", 0755),
whiteoutEntry("d6/l1"),
whiteoutEntry("d6/l2"),
},
@ -947,6 +948,46 @@ func TestDiffTar(t *testing.T) {
fstest.Link("/d3/f1", "/d4/l1"),
),
},
{
name: "WhiteoutIncludesParents",
validators: []tarEntryValidator{
dirEntry("d1/", 0755),
whiteoutEntry("d1/f1"),
dirEntry("d2/", 0755),
whiteoutEntry("d2/f1"),
fileEntry("d2/f2", []byte("content"), 0777),
dirEntry("d3/", 0755),
whiteoutEntry("d3/f1"),
fileEntry("d3/f2", []byte("content"), 0644),
dirEntry("d4/", 0755),
fileEntry("d4/f0", []byte("content"), 0644),
whiteoutEntry("d4/f1"),
whiteoutEntry("d5"),
},
a: fstest.Apply(
fstest.CreateDir("/d1/", 0755),
fstest.CreateFile("/d1/f1", []byte("content"), 0644),
fstest.CreateDir("/d2/", 0755),
fstest.CreateFile("/d2/f1", []byte("content"), 0644),
fstest.CreateFile("/d2/f2", []byte("content"), 0644),
fstest.CreateDir("/d3/", 0755),
fstest.CreateFile("/d3/f1", []byte("content"), 0644),
fstest.CreateDir("/d4/", 0755),
fstest.CreateFile("/d4/f1", []byte("content"), 0644),
fstest.CreateDir("/d5/", 0755),
fstest.CreateFile("/d5/f1", []byte("content"), 0644),
),
b: fstest.Apply(
fstest.Remove("/d1/f1"),
fstest.Remove("/d2/f1"),
fstest.Chmod("/d2/f2", 0777),
fstest.Remove("/d3/f1"),
fstest.CreateFile("/d3/f2", []byte("content"), 0644),
fstest.Remove("/d4/f1"),
fstest.CreateFile("/d4/f0", []byte("content"), 0644),
fstest.RemoveAll("/d5"),
),
},
}
for _, at := range tests {