$ git clone -n https://src.fedoraproject.org/rpms/gti.git /var/lib/mock/f41-build-778304-13541/root/chroot_tmpdir/scmroot/gti
Cloning into '/var/lib/mock/f41-build-778304-13541/root/chroot_tmpdir/scmroot/gti'...
$ git fetch origin 8c6e3e8673b8fd7fa33bfdb4b1d131b11ee2619c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gti
 * [new ref]         8c6e3e8673b8fd7fa33bfdb4b1d131b11ee2619c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c6e3e8 Eliminate use of obsolete %patchN syntax (#2283636)