$ git clone -n https://src.fedoraproject.org/rpms/rust-below-store.git /var/lib/mock/f40-build-2571388-62241/root/chroot_tmpdir/scmroot/rust-below-store
Cloning into '/var/lib/mock/f40-build-2571388-62241/root/chroot_tmpdir/scmroot/rust-below-store'...
$ git fetch origin acfbbca821e9e7b636c2b805126199e9282bd95c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-below-store
 * [new ref]         acfbbca821e9e7b636c2b805126199e9282bd95c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acfbbca Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild