$ git clone -n https://src.fedoraproject.org/rpms/xiphos.git /var/lib/mock/f41-build-734133-13206/root/chroot_tmpdir/scmroot/xiphos
Cloning into '/var/lib/mock/f41-build-734133-13206/root/chroot_tmpdir/scmroot/xiphos'...
$ git fetch origin cab140a576f8c7d45bc84d4b36e7ddee5b2e0178:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xiphos
 * [new ref]         cab140a576f8c7d45bc84d4b36e7ddee5b2e0178 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cab140a Eliminate use of obsolete %patchN syntax (#2283636)