$ git clone -n https://src.fedoraproject.org/rpms/MUMPS.git /var/lib/mock/f42-build-869786-176818/root/chroot_tmpdir/scmroot/MUMPS
Cloning into '/var/lib/mock/f42-build-869786-176818/root/chroot_tmpdir/scmroot/MUMPS'...
$ git fetch origin 3867e4fefb585ec64190615046406008c070e032:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/MUMPS
 * [new ref]         3867e4fefb585ec64190615046406008c070e032 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3867e4f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild