$ git clone -n https://src.fedoraproject.org/rpms/MUSIC.git /var/lib/mock/f40-build-800767-143618/root/chroot_tmpdir/scmroot/MUSIC
Cloning into '/var/lib/mock/f40-build-800767-143618/root/chroot_tmpdir/scmroot/MUSIC'...
$ git fetch origin 6fc14a28e3b531ceb2f45576c3431162ed6af6a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/MUSIC
 * [new ref]         6fc14a28e3b531ceb2f45576c3431162ed6af6a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fc14a2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild