$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Couenne.git /var/lib/mock/f41-build-759406-13440/root/chroot_tmpdir/scmroot/coin-or-Couenne
Cloning into '/var/lib/mock/f41-build-759406-13440/root/chroot_tmpdir/scmroot/coin-or-Couenne'...
$ git fetch origin 5a41f02ace4757d7836a7a1bdffeadbbd9eaf1ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Couenne
 * [new ref]         5a41f02ace4757d7836a7a1bdffeadbbd9eaf1ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a41f02 Rebuild for soplex 7.0.0