$ git clone -n https://src.fedoraproject.org/rpms/python-pystitch.git /var/lib/mock/f45-build-32448-660/root/chroot_tmpdir/scmroot/python-pystitch
Cloning into '/var/lib/mock/f45-build-32448-660/root/chroot_tmpdir/scmroot/python-pystitch'...
$ git fetch origin 6959d13cb0d89990047928e32786f57da51ec4c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pystitch
 * [new ref]         6959d13cb0d89990047928e32786f57da51ec4c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6959d13 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild