$ git clone -n https://src.fedoraproject.org/rpms/mythes-uk.git /var/lib/mock/f40-build-2012365-45784/root/chroot_tmpdir/scmroot/mythes-uk
Cloning into '/var/lib/mock/f40-build-2012365-45784/root/chroot_tmpdir/scmroot/mythes-uk'...
$ git fetch origin 873b7ca4890958bf232e8aa76bc3540ee8f0676b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mythes-uk
 * [new ref]         873b7ca4890958bf232e8aa76bc3540ee8f0676b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 873b7ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild