$ git clone -n https://src.fedoraproject.org/rpms/gridloc.git /var/lib/mock/f41-build-778287-13541/root/chroot_tmpdir/scmroot/gridloc
Cloning into '/var/lib/mock/f41-build-778287-13541/root/chroot_tmpdir/scmroot/gridloc'...
$ git fetch origin dcf122565a1c6ba0c200e129d9aa3fe686efd245:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gridloc
 * [new ref]         dcf122565a1c6ba0c200e129d9aa3fe686efd245 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcf1225 Eliminate use of obsolete %patchN syntax (#2283636)