$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Couenne.git /var/lib/mock/f41-build-1232485-22865/root/chroot_tmpdir/scmroot/coin-or-Couenne
Cloning into '/var/lib/mock/f41-build-1232485-22865/root/chroot_tmpdir/scmroot/coin-or-Couenne'...
$ git fetch origin 920a0c78f6765f425e31b16cbc4cfd51e4daf30a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Couenne
 * [new ref]         920a0c78f6765f425e31b16cbc4cfd51e4daf30a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 920a0c7 Rebuild for soplex 7.1.0