$ git clone -n https://src.fedoraproject.org/rpms/hadolint.git /var/lib/mock/f41-build-842794-161713/root/chroot_tmpdir/scmroot/hadolint
Cloning into '/var/lib/mock/f41-build-842794-161713/root/chroot_tmpdir/scmroot/hadolint'...
$ git fetch origin a6086a38378627b4945dcc72c55709e9f7b2c941:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hadolint
 * [new ref]         a6086a38378627b4945dcc72c55709e9f7b2c941 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6086a3 apply upstream commit for language-docker-0.12