$ git clone -n https://src.fedoraproject.org/rpms/proj.git /var/lib/mock/f40-build-789069-135506/root/chroot_tmpdir/scmroot/proj
Cloning into '/var/lib/mock/f40-build-789069-135506/root/chroot_tmpdir/scmroot/proj'...
$ git fetch origin d1202ae224793c4c55e424c17fee4b728a04b14d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/proj
 * [new ref]         d1202ae224793c4c55e424c17fee4b728a04b14d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1202ae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild