$ git clone -n https://src.fedoraproject.org/rpms/lilypond.git /var/lib/mock/f40-build-2009037-45441/root/chroot_tmpdir/scmroot/lilypond
Cloning into '/var/lib/mock/f40-build-2009037-45441/root/chroot_tmpdir/scmroot/lilypond'...
$ git fetch origin a5cedbf41a6dd01bc18064e5a038a6d520ade3bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lilypond
 * [new ref]         a5cedbf41a6dd01bc18064e5a038a6d520ade3bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5cedbf 2.25.11