$ git clone -n https://src.fedoraproject.org/rpms/python-glad2.git /var/lib/mock/f45-build-30887-648/root/chroot_tmpdir/scmroot/python-glad2
Cloning into '/var/lib/mock/f45-build-30887-648/root/chroot_tmpdir/scmroot/python-glad2'...
$ git fetch origin c54e5c55e77d5e6909f91b789dc22974fef48378:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-glad2
 * [new ref]         c54e5c55e77d5e6909f91b789dc22974fef48378 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c54e5c5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild