$ git clone -n https://src.fedoraproject.org/rpms/lilypond.git /var/lib/mock/f33-build-140341-42481/root/chroot_tmpdir/scmroot/lilypond
Cloning into '/var/lib/mock/f33-build-140341-42481/root/chroot_tmpdir/scmroot/lilypond'...
$ git reset --hard 984c0a955b996aaac9feac78aef9ab84d1bdfda8
HEAD is now at 984c0a9 2.20.0