$ git clone -n https://src.fedoraproject.org/rpms/sopwith.git /var/lib/mock/f41-build-814541-14252/root/chroot_tmpdir/scmroot/sopwith
Cloning into '/var/lib/mock/f41-build-814541-14252/root/chroot_tmpdir/scmroot/sopwith'...
$ git fetch origin d78b84413e99d0eb60758faa7a5b1971f5503074:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sopwith
 * [new ref]         d78b84413e99d0eb60758faa7a5b1971f5503074 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d78b844 Eliminate use of obsolete %patchN syntax (#2283636)