$ git clone -n https://src.fedoraproject.org/rpms/python-plac.git /var/lib/mock/f40-build-2188423-51404/root/chroot_tmpdir/scmroot/python-plac
Cloning into '/var/lib/mock/f40-build-2188423-51404/root/chroot_tmpdir/scmroot/python-plac'...
$ git fetch origin f803a194ce8895886a698e7fa7684a962f0613ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-plac
 * [new ref]         f803a194ce8895886a698e7fa7684a962f0613ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f803a19 Assert that %pyproject_files contains a license file