$ git clone -n https://src.fedoraproject.org/rpms/balsa.git /var/lib/mock/f40-build-2586375-62442/root/chroot_tmpdir/scmroot/balsa
Cloning into '/var/lib/mock/f40-build-2586375-62442/root/chroot_tmpdir/scmroot/balsa'...
$ git fetch origin b4ccdab71e926ff452b466b7bc4ee210c08c785c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/balsa
 * [new ref]         b4ccdab71e926ff452b466b7bc4ee210c08c785c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4ccdab Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild