$ git clone -n https://src.fedoraproject.org/rpms/mythes-hu.git /var/lib/mock/f40-build-2012342-45783/root/chroot_tmpdir/scmroot/mythes-hu
Cloning into '/var/lib/mock/f40-build-2012342-45783/root/chroot_tmpdir/scmroot/mythes-hu'...
$ git fetch origin dc89bd9d7a4fb39ceb89b688da9868d6306391ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mythes-hu
 * [new ref]         dc89bd9d7a4fb39ceb89b688da9868d6306391ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc89bd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild