$ git clone -n https://src.fedoraproject.org/rpms/abrt.git /var/lib/mock/f40-build-2523401-61805/root/chroot_tmpdir/scmroot/abrt
Cloning into '/var/lib/mock/f40-build-2523401-61805/root/chroot_tmpdir/scmroot/abrt'...
$ git fetch origin 202231f9cb648b867cc5b22dff77b91103e73979:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/abrt
 * [new ref]         202231f9cb648b867cc5b22dff77b91103e73979 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 202231f Update to 2.17.5