$ git clone -n https://src.fedoraproject.org/rpms/chordpro.git /var/lib/mock/f39-build-1489845-34502/root/chroot_tmpdir/scmroot/chordpro
Cloning into '/var/lib/mock/f39-build-1489845-34502/root/chroot_tmpdir/scmroot/chordpro'...
$ git fetch origin 6511812a00fe17f45f1640ee3857184356ca572e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chordpro
 * [new ref]         6511812a00fe17f45f1640ee3857184356ca572e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6511812 Fix dependency.