$ git clone -n https://src.fedoraproject.org/rpms/globus-gass-server-ez.git /var/lib/mock/f45-build-11196-428/root/chroot_tmpdir/scmroot/globus-gass-server-ez
Cloning into '/var/lib/mock/f45-build-11196-428/root/chroot_tmpdir/scmroot/globus-gass-server-ez'...
$ git fetch origin b8b0beecf4ba21b55d5aa7e81a6c15f9b5e000ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/globus-gass-server-ez
 * [new ref]         b8b0beecf4ba21b55d5aa7e81a6c15f9b5e000ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8b0bee Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild