$ git clone -n https://src.fedoraproject.org/rpms/mp.git /var/lib/mock/f40-build-2541524-61877/root/chroot_tmpdir/scmroot/mp
Cloning into '/var/lib/mock/f40-build-2541524-61877/root/chroot_tmpdir/scmroot/mp'...
$ git fetch origin e48c531d5150fa1b9e6135473ef7b34ed0c7167c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mp
 * [new ref]         e48c531d5150fa1b9e6135473ef7b34ed0c7167c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e48c531 Rebuild for soplex 7.0.0 and scip 9.0.0