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Re: [PATCH v2 2/3] config: handle conditional include when $GIT_DIR is not set up

Junio C Hamano <gitster@xxxxxxxxx> writes:

>> +	if (!have_git_dir() && opts.git_dir) {
>>  		struct git_config_source repo_config;
>>  		memset(&repo_config, 0, sizeof(repo_config));
> But this one I do not quite understand.  When have_git_dir() was
> false and asked discover_git_directory() to set opts.git_dir, we
> enter the body of this block and then end up doing
> 	git_config_with_options(cb, data &repo_config, &opts);
> with repo_config set to the discovered git directory plus "/config";
> we'd read the repository configuration twice, in other words.

Ahh, nevermind.  The fix to make the "usual sequence" pay attention
to the opts->git_dir comes in 3/3 and in that step this redundant
reading is also removed, so all is well at the end.