Re: [PATCH 0/4] merge-ort unused parameter cleanups

>
> A few small cleanups for merge-ort collected from playing with
> -Wunused-parameter. The first one actually fixes a user-visible bug, and
> the rest are just cleanups.
>
>   [1/4]: merge-ort: drop custom err() function
>   [2/4]: merge-ort: stop passing "opt" to read_oid_strbuf()
>   [3/4]: merge-ort: drop unused parameters from detect_and_process_renames()
>   [4/4]: merge-ort: drop unused "opt" parameter from merge_check_renames_reusable()
>
>  merge-ort.c           | 48 +++++++++++--------------------------------
>  t/t6406-merge-attr.sh |  3 ++-
>  2 files changed, 14 insertions(+), 37 deletions(-)
>
> -Peff