$ git clone -n https://src.fedoraproject.org/rpms/lilypond.git /var/lib/mock/f39-build-1753545-41469/root/chroot_tmpdir/scmroot/lilypond
Cloning into '/var/lib/mock/f39-build-1753545-41469/root/chroot_tmpdir/scmroot/lilypond'...
$ git fetch origin 36d08e577ab2d8283ea66342487ed5b559ef7713:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lilypond
 * [new ref]         36d08e577ab2d8283ea66342487ed5b559ef7713 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36d08e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild