$ git clone -n https://src.fedoraproject.org/rpms/shorewall.git /var/lib/mock/f41-build-710908-13023/root/chroot_tmpdir/scmroot/shorewall
Cloning into '/var/lib/mock/f41-build-710908-13023/root/chroot_tmpdir/scmroot/shorewall'...
$ git fetch origin 51945df83288a013fab5c4f25bcfa52c183802be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shorewall
 * [new ref]         51945df83288a013fab5c4f25bcfa52c183802be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51945df Eliminate use of obsolete %patchN syntax (#2283636)