$ git clone -n https://src.fedoraproject.org/rpms/globus-gass-cache.git /var/lib/mock/f45-build-11175-428/root/chroot_tmpdir/scmroot/globus-gass-cache
Cloning into '/var/lib/mock/f45-build-11175-428/root/chroot_tmpdir/scmroot/globus-gass-cache'...
$ git fetch origin 8894ac99a852b05a746e3a1dfedfdefe397eb23b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/globus-gass-cache
 * [new ref]         8894ac99a852b05a746e3a1dfedfdefe397eb23b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8894ac9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild