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Handle hard links in different directories

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Fixes: https://github.com/containers/podman/issues/10444

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2021-05-24 15:41:51 -04:00
committed by Matthew Heon
parent 5eecc2761b
commit 934f36df5e
2 changed files with 12 additions and 4 deletions
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2
pkg/bindings/images/build.go
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@ -450,7 +450,7 @@ func nTar(excludes []string, sources ...string) (io.ReadCloser, error) {
hdr.Typeflag = tar.TypeLink
hdr.Linkname = orig
hdr.Size = 0
hdr.Name = name
return tw.WriteHeader(hdr)
}
f, err := os.Open(path)

14
test/system/070-build.bats
View File

@ -768,19 +768,27 @@ EOF
@test "podman build COPY hardlinks " {
tmpdir=$PODMAN_TMPDIR/build-test
mkdir -p $tmpdir
subdir=$tmpdir/subdir
subsubdir=$subdir/subsubdir
mkdir -p $subsubdir
dockerfile=$tmpdir/Dockerfile
cat >$dockerfile <<EOF
FROM $IMAGE
COPY . /test
EOF
ln $dockerfile $tmpdir/hardlink
ln $dockerfile $tmpdir/hardlink1
ln $dockerfile $subdir/hardlink2
ln $dockerfile $subsubdir/hardlink3
run_podman build -t build_test $tmpdir
run_podman run --rm build_test stat -c '%i' /test/Dockerfile
dinode=$output
run_podman run --rm build_test stat -c '%i' /test/hardlink
run_podman run --rm build_test stat -c '%i' /test/hardlink1
is "$output" "$dinode" "COPY hardlinks work"
run_podman run --rm build_test stat -c '%i' /test/subdir/hardlink2
is "$output" "$dinode" "COPY hardlinks work"
run_podman run --rm build_test stat -c '%i' /test/subdir/subsubdir/hardlink3
is "$output" "$dinode" "COPY hardlinks work"
run_podman rmi -f build_test