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Fix docker cp dir with hard link

docker run --name=test ubuntu /bin/sh -c "cd /tmp && echo hi > a && ln a b" && docker cp test:/tmp tmp_
test
link /root/tmp/a /root/tmp_/b: no such file or directory

Signed-off-by: yangshukui <yangshukui@huawei.com>
This commit is contained in:
yangshukui 2017-07-06 17:03:38 +08:00
parent 82c2a08b60
commit d58ffa0364

View file

@ -332,6 +332,9 @@ func RebaseArchiveEntries(srcContent io.Reader, oldBase, newBase string) io.Read
}
hdr.Name = strings.Replace(hdr.Name, oldBase, newBase, 1)
if hdr.Typeflag == tar.TypeLink {
hdr.Linkname = strings.Replace(hdr.Linkname, oldBase, newBase, 1)
}
if err = rebasedTar.WriteHeader(hdr); err != nil {
w.CloseWithError(err)