Re: [PATCH v2] check-ignore: fix documentation and implementation to match
"Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com> writes:
Show 30 quoted lines
> Since the second mode exists to find out which pattern matches given
> paths, and showing the user a pattern that begins with a '!' is
> sufficient for them to figure out whether the pattern is excluded, the
> existing behavior is desirable -- we just need to update the
> documentation to match the implementation (i.e. it is about printing
> which pattern is matched by paths, not about showing which paths are
> excluded).
>
> For the first or default mode, users just want to know whether a pattern
> is excluded. As such, the existing documentation is desirable; change
> the implementation to match the documented behavior.
>
> Finally, also adjust a few tests in t0008 that were caught up by this
> discrepancy in how negated paths were handled.
>
> Signed-off-by: Elijah Newren <newren@gmail.com>
> ...
> diff --git a/Documentation/git-check-ignore.txt b/Documentation/git-check-ignore.txt
> index 8b2d49c79e1..85ef46e2eff 100644
> --- a/Documentation/git-check-ignore.txt
> +++ b/Documentation/git-check-ignore.txt
> @@ -30,9 +30,15 @@ OPTIONS
> valid with a single pathname.
>
> -v, --verbose::
> - Also output details about the matching pattern (if any)
> - for each given pathname. For precedence rules within and
> - between exclude sources, see linkgit:gitignore[5].
> + Instead of printing the paths that are excluded, for each path
> + that matches an exclude pattern print the exclude pattern
s/pattern print/pattern, print/;
> + together with the path. (Matching an exclude pattern usually
> + means the path is excluded, but if the pattern begins with '!'
> + then it is a negated pattern and matching it means the path is
> + NOT excluded.)
Nicely and clearly written.
Show 11 quoted lines
> diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
> index 5a4f92395f3..ea5d0ae3a6a 100644
> --- a/builtin/check-ignore.c
> +++ b/builtin/check-ignore.c
> @@ -108,6 +108,9 @@ static int check_ignore(struct dir_struct *dir,
> int dtype = DT_UNKNOWN;
> pattern = last_matching_pattern(dir, &the_index,
> full_path, &dtype);
> + if (!verbose && pattern &&
> + pattern->flags & PATTERN_FLAG_NEGATIVE)
> + pattern = NULL;
Junio C Hamano <gitster@pobox.com>