$ git clone -n https://src.fedoraproject.org/rpms/mdbtools.git /var/lib/mock/f40-build-1737236-24672/root/chroot_tmpdir/scmroot/mdbtools
Cloning into '/var/lib/mock/f40-build-1737236-24672/root/chroot_tmpdir/scmroot/mdbtools'...
$ git fetch origin 4758fb4b184b13b80ee8aea28430091fdaca65db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mdbtools
 * [new ref]         4758fb4b184b13b80ee8aea28430091fdaca65db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4758fb4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild