$ git clone -n https://src.fedoraproject.org/rpms/coin-or-lemon.git /var/lib/mock/f40-build-800568-143605/root/chroot_tmpdir/scmroot/coin-or-lemon
Cloning into '/var/lib/mock/f40-build-800568-143605/root/chroot_tmpdir/scmroot/coin-or-lemon'...
$ git fetch origin bc361104771a58bf67e305b42bb99a56b7d68931:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-lemon
 * [new ref]         bc361104771a58bf67e305b42bb99a56b7d68931 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc36110 Rebuild for soplex 7.0.0