$ git clone -n https://src.fedoraproject.org/rpms/portreserve.git /var/lib/mock/f40-build-2311741-57528/root/chroot_tmpdir/scmroot/portreserve
Cloning into '/var/lib/mock/f40-build-2311741-57528/root/chroot_tmpdir/scmroot/portreserve'...
$ git fetch origin bbfb572e6784125c61a4fce006e72f7b305a1380:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/portreserve
 * [new ref]         bbfb572e6784125c61a4fce006e72f7b305a1380 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbfb572 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild