$ git clone -n https://src.fedoraproject.org/rpms/quake3.git /var/lib/mock/f41-build-1764173-24713/root/chroot_tmpdir/scmroot/quake3
Cloning into '/var/lib/mock/f41-build-1764173-24713/root/chroot_tmpdir/scmroot/quake3'...
$ git fetch origin d44ed95c4742b900123261969252e5e2259e529c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/quake3
 * [new ref]         d44ed95c4742b900123261969252e5e2259e529c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d44ed95 convert GPLv2+ license to SPDX