$ git clone -n https://src.fedoraproject.org/rpms/python-backrefs.git /var/lib/mock/f39-build-1427156-31621/root/chroot_tmpdir/scmroot/python-backrefs
Cloning into '/var/lib/mock/f39-build-1427156-31621/root/chroot_tmpdir/scmroot/python-backrefs'...
$ git fetch origin 1714fede97bb037b2a891b39f0ac162c7c0e7a41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-backrefs
 * [new ref]         1714fede97bb037b2a891b39f0ac162c7c0e7a41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1714fed Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild