$ git clone -n https://src.fedoraproject.org/rpms/lrslib.git /var/lib/mock/f40-build-797993-141646/root/chroot_tmpdir/scmroot/lrslib
Cloning into '/var/lib/mock/f40-build-797993-141646/root/chroot_tmpdir/scmroot/lrslib'...
$ git fetch origin 8ac9be1d3232da16d41a39950d19c4e422bdac40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lrslib
 * [new ref]         8ac9be1d3232da16d41a39950d19c4e422bdac40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ac9be1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild