$ git clone -n https://src.fedoraproject.org/rpms/python-succulent.git /var/lib/mock/f39-build-1676117-40922/root/chroot_tmpdir/scmroot/python-succulent
Cloning into '/var/lib/mock/f39-build-1676117-40922/root/chroot_tmpdir/scmroot/python-succulent'...
$ git fetch origin c56045b430f1172515e06b49eb65bc12e4737ac0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-succulent
 * [new ref]         c56045b430f1172515e06b49eb65bc12e4737ac0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c56045b Add subpackage for docs