$ git clone -n https://src.fedoraproject.org/rpms/ibp.git /var/lib/mock/f40-build-2291387-56037/root/chroot_tmpdir/scmroot/ibp
Cloning into '/var/lib/mock/f40-build-2291387-56037/root/chroot_tmpdir/scmroot/ibp'...
$ git fetch origin 9839bb6d77eb04bf1332cc995e69eb9f0420fa8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibp
 * [new ref]         9839bb6d77eb04bf1332cc995e69eb9f0420fa8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9839bb6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild