$ git clone -n https://src.fedoraproject.org/rpms/lv2-x42-plugins.git /var/lib/mock/f39-build-1502246-34905/root/chroot_tmpdir/scmroot/lv2-x42-plugins
Cloning into '/var/lib/mock/f39-build-1502246-34905/root/chroot_tmpdir/scmroot/lv2-x42-plugins'...
$ git fetch origin bf4778191ad7b5c38aa73ec89ac708f932f8c33d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lv2-x42-plugins
 * [new ref]         bf4778191ad7b5c38aa73ec89ac708f932f8c33d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf47781 Update to 20230915