$ git clone -n https://src.fedoraproject.org/rpms/kommit.git /var/lib/mock/f40-build-2475730-61566/root/chroot_tmpdir/scmroot/kommit
Cloning into '/var/lib/mock/f40-build-2475730-61566/root/chroot_tmpdir/scmroot/kommit'...
$ git fetch origin 8dc4d237ef6df9ba0c7f0a1f2eec016205f2177c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kommit
 * [new ref]         8dc4d237ef6df9ba0c7f0a1f2eec016205f2177c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dc4d23 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild