$ git clone -n https://src.fedoraproject.org/rpms/mp.git /var/lib/mock/f41-build-861693-170009/root/chroot_tmpdir/scmroot/mp
Cloning into '/var/lib/mock/f41-build-861693-170009/root/chroot_tmpdir/scmroot/mp'...
$ git fetch origin aa36889ac3adb952855487fd2aa55ea1c8c000a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mp
 * [new ref]         aa36889ac3adb952855487fd2aa55ea1c8c000a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa36889 Rebuild for coin-or-HiGHS 1.8.0