$ git clone -n https://src.fedoraproject.org/rpms/opencity.git /var/lib/mock/f41-build-1022702-18093/root/chroot_tmpdir/scmroot/opencity
Cloning into '/var/lib/mock/f41-build-1022702-18093/root/chroot_tmpdir/scmroot/opencity'...
$ git fetch origin b9b3c3ef5942a90cb4f10b2d51cce73916b101ca:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opencity
 * [new ref]         b9b3c3ef5942a90cb4f10b2d51cce73916b101ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9b3c3e Eliminate use of obsolete %patchN syntax (#2283636)