$ git clone -n https://src.fedoraproject.org/rpms/brutalchess.git /var/lib/mock/f41-build-1034383-18630/root/chroot_tmpdir/scmroot/brutalchess
Cloning into '/var/lib/mock/f41-build-1034383-18630/root/chroot_tmpdir/scmroot/brutalchess'...
$ git fetch origin 58a2f73f3de4a69396baa20b8e58b6d969f67f8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brutalchess
 * [new ref]         58a2f73f3de4a69396baa20b8e58b6d969f67f8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58a2f73 Eliminate use of obsolete %patchN syntax (#2283636)