Re: [PATCH v2] dir: special case check for the possibility that pathspec is NULL

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Hi Elijah,

On Tue, Oct 01, 2019 at 11:30:05AM -0700, Elijah Newren wrote:

[...]

> diff --git a/dir.c b/dir.c
> index 7ff79170fc..bd39b86be4 100644
> --- a/dir.c
> +++ b/dir.c
> @@ -1962,8 +1962,9 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
>  			((state == path_untracked) &&
>  			 (get_dtype(cdir.de, istate, path.buf, path.len) == DT_DIR) &&
>  			 ((dir->flags & DIR_SHOW_IGNORED_TOO) ||
> -			  do_match_pathspec(istate, pathspec, path.buf, path.len,
> -					    baselen, NULL, DO_MATCH_LEADING_PATHSPEC) == MATCHED_RECURSIVELY_LEADING_PATHSPEC))) {
> +			  (pathspec &&
> +			   do_match_pathspec(istate, pathspec, path.buf, path.len,
> +					     baselen, NULL, DO_MATCH_LEADING_PATHSPEC) == MATCHED_RECURSIVELY_LEADING_PATHSPEC)))) {
>  			struct untracked_cache_dir *ud;
>  			ud = lookup_untracked(dir->untracked, untracked,
>  					      path.buf + baselen,
> @@ -1975,7 +1976,8 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
>  			if (subdir_state > dir_state)
>  				dir_state = subdir_state;
>  
> -			if (!match_pathspec(istate, pathspec, path.buf, path.len,
> +			if (pathspec &&
> +			    !match_pathspec(istate, pathspec, path.buf, path.len,
>  					    0 /* prefix */, NULL,
>  					    0 /* do NOT special case dirs */))
>  				state = path_none;
> diff --git a/t/t0050-filesystem.sh b/t/t0050-filesystem.sh
> index 192c94eccd..a840919967 100755
> --- a/t/t0050-filesystem.sh
> +++ b/t/t0050-filesystem.sh
> @@ -131,4 +131,25 @@ $test_unicode 'merge (silent unicode normalization)' '
>  	git merge topic
>  '
>  
> +test_expect_success CASE_INSENSITIVE_FS 'checkout with no pathspec and a case insensitive fs' '
> +	git init repo &&
> +	(
> +		cd repo &&
> +
> +		>Gitweb &&
> +		git add Gitweb &&
> +		git commit -m "add Gitweb" &&
> +
> +		git checkout --orphan todo &&
> +		git reset --hard &&
> +		mkdir -p gitweb/subdir &&
> +		>gitweb/subdir/file &&
> +		# it is not strictly necessary to add and commit the

Probably not worth a reroll but we're missing "gitweb directory" at the
end of the comment. Other than that, it looks good to me.

Thanks again for the prompt fix,

Denton

> +		git add gitweb &&
> +		git commit -m "add gitweb/subdir/file" &&
> +
> +		git checkout master
> +	)
> +'
> +
>  test_done
> -- 
> 2.23.0.25.g3f4444bfd7.dirty
> 



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