$ git clone -n https://src.fedoraproject.org/rpms/wlcs.git /var/lib/mock/f40-build-780890-131370/root/chroot_tmpdir/scmroot/wlcs
Cloning into '/var/lib/mock/f40-build-780890-131370/root/chroot_tmpdir/scmroot/wlcs'...
$ git fetch origin fce43b7315ce41f0567a4645d72a5c22f8e9f955:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlcs
 * [new ref]         fce43b7315ce41f0567a4645d72a5c22f8e9f955 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fce43b7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild