Re: [PATCH 1/2] merge-ours: drop USE_THE_REPOSITORY_VARIABLE

>> -		   struct repository *repo UNUSED)
>> +		   struct repository *repo)
>>  {
>>  	show_usage_if_asked(argc, argv, builtin_merge_ours_usage);
>
> One important part of the puzzle here is that git-merge-ours(1) cannot
> run outside of a repository, as it is tagged with `RUN_SETUP`. So as a
> consequence, `repo` will never be `NULL`, and thus all the changes to
> s/the_repository/repo/ are safe.