From: Stefan Beller <sbeller@google.com>
To: Brandon Williams <bmwill@google.com>
Cc: "git@vger.kernel.org" <git@vger.kernel.org>,
Jeff King <peff@peff.net>, Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH v6 4/4] ls-files: add pathspec matching for submodules
Date: Tue, 4 Oct 2016 10:56:19 -0700 [thread overview]
Message-ID: <CAGZ79kbFiK0Wb6zpuyybwUOeXo-H=9oDpO8wnXihYmP8VwAHFQ@mail.gmail.com> (raw)
In-Reply-To: <1475185723-36871-5-git-send-email-bmwill@google.com>
On Thu, Sep 29, 2016 at 2:48 PM, Brandon Williams <bmwill@google.com> wrote:
> Pathspecs can be a bit tricky when trying to apply them to submodules.
> The main challenge is that the pathspecs will be with respect to the
> superproject and not with respect to paths in the submodule. The
> approach this patch takes is to pass in the identical pathspec from the
> superproject to the submodule in addition to the submodule-prefix, which
> is the path from the root of the superproject to the submodule, and then
> we can compare an entry in the submodule prepended with the
> submodule-prefix to the pathspec in order to determine if there is a
> match.
>
> This patch also permits the pathspec logic to perform a prefix match against
> submodules since a pathspec could refer to a file inside of a submodule.
> Due to limitations in the wildmatch logic, a prefix match is only done
> literally. If any wildcard character is encountered we'll simply punt
> and produce a false positive match. More accurate matching will be done
> once inside the submodule. This is due to the superproject not knowing
> what files could exist in the submodule.
>
> Signed-off-by: Brandon Williams <bmwill@google.com>
> ---
> Documentation/git-ls-files.txt | 3 +-
> builtin/ls-files.c | 27 +++++++--
> dir.c | 46 +++++++++++++-
> dir.h | 4 ++
> t/t3007-ls-files-recurse-submodules.sh | 108 ++++++++++++++++++++++++++++++++-
> 5 files changed, 175 insertions(+), 13 deletions(-)
>
> diff --git a/Documentation/git-ls-files.txt b/Documentation/git-ls-files.txt
> index ea01d45..51ec9a1 100644
> --- a/Documentation/git-ls-files.txt
> +++ b/Documentation/git-ls-files.txt
> @@ -140,8 +140,7 @@ a space) at the start of each line:
>
> --recurse-submodules::
> Recursively calls ls-files on each submodule in the repository.
> - Currently there is only support for the --cached mode without a
> - pathspec.
> + Currently there is only support for the --cached.
s/--cached/--cached mode/ ?
The "the" in front of --cached sounds a bit strange for a non native
speaker here.
> + /*
> + * Find common prefix for all pathspec's
> + * This is used as a performance optimization which unfortunately cannot
> + * be done when recursing into submodules
> + */
> + if (recurse_submodules)
> + max_prefix = NULL;
> + else
> + max_prefix = common_prefix(&pathspec);
Nit of the day:
While this is readable, you may want to explore how this reads shorter as
max_prefix = recurse_submodules ? NULL : common_prefix(&pathspec);
?
> + git ls-files --recurse-submodules "sub" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "sub/" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "sub/file" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "su*/file" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "su?/file" >actual &&
> + test_cmp expect actual
> +'
> +
> + git ls-files --recurse-submodules "s??/file" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "s???file" >actual &&
> + test_cmp expect actual &&
> + git ls-files --recurse-submodules "s*file" >actual &&
> + test_cmp expect actual
> '
Thanks for the tests!
next prev parent reply other threads:[~2016-10-04 17:56 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-24 0:13 [PATCH 0/3] recursive support for ls-files Brandon Williams
2016-09-24 0:13 ` [PATCH 1/3 v3] submodules: make submodule-prefix option an envvar Brandon Williams
2016-09-25 23:34 ` Junio C Hamano
2016-09-24 0:13 ` [PATCH 2/3 v3] ls-files: optionally recurse into submodules Brandon Williams
2016-09-24 0:13 ` [PATCH 3/3 v3] ls-files: add pathspec matching for submodules Brandon Williams
2016-09-25 7:17 ` [PATCH 0/3] recursive support for ls-files Jeff King
2016-09-25 16:32 ` Brandon Williams
2016-09-25 18:38 ` Junio C Hamano
2016-09-26 17:04 ` Brandon Williams
2016-09-26 18:17 ` Junio C Hamano
2016-09-26 18:38 ` Brandon Williams
2016-09-26 18:48 ` Junio C Hamano
2016-09-26 22:46 ` [PATCH 0/4 v4] " Brandon Williams
2016-09-26 22:46 ` [PATCH 1/4 v4] submodules: make submodule-prefix option Brandon Williams
2016-09-27 18:17 ` Junio C Hamano
2016-09-27 20:29 ` Brandon Williams
2016-09-27 20:35 ` Junio C Hamano
2016-09-27 20:43 ` Brandon Williams
2016-09-26 22:46 ` [PATCH 2/4 v4] ls-files: optionally recurse into submodules Brandon Williams
2016-09-27 18:29 ` Junio C Hamano
2016-09-27 20:33 ` Brandon Williams
2016-09-26 22:46 ` [PATCH 3/4 v4] ls-files: pass through safe options for --recurse-submodules Brandon Williams
2016-09-27 18:40 ` Junio C Hamano
2016-09-27 20:11 ` Junio C Hamano
2016-09-27 20:52 ` Brandon Williams
2016-09-27 20:58 ` Junio C Hamano
2016-09-27 20:59 ` Stefan Beller
2016-09-28 17:24 ` Brandon Williams
2016-09-28 18:59 ` Junio C Hamano
2016-09-27 20:49 ` Brandon Williams
2016-09-27 18:43 ` Junio C Hamano
2016-09-27 20:44 ` Brandon Williams
2016-09-27 20:59 ` Junio C Hamano
2016-09-26 22:46 ` [PATCH 4/4 v4] ls-files: add pathspec matching for submodules Brandon Williams
2016-09-27 20:01 ` Junio C Hamano
2016-09-27 20:40 ` Brandon Williams
2016-09-28 21:50 ` [PATCH v5 0/4] recursive support for ls-files Brandon Williams
2016-09-28 21:50 ` [PATCH v5 1/4] git: make super-prefix option Brandon Williams
2016-09-28 22:01 ` Stefan Beller
2016-09-28 22:19 ` Junio C Hamano
2016-09-29 18:39 ` Jeff King
2016-09-29 18:44 ` Brandon Williams
2016-09-28 21:50 ` [PATCH v5 2/4] ls-files: optionally recurse into submodules Brandon Williams
2016-09-28 22:11 ` Stefan Beller
2016-09-28 22:22 ` Junio C Hamano
2016-09-28 21:50 ` [PATCH v5 3/4] ls-files: pass through safe options for --recurse-submodules Brandon Williams
2016-09-28 21:50 ` [PATCH v5 4/4] ls-files: add pathspec matching for submodules Brandon Williams
2016-09-29 21:48 ` [PATCH v6 0/4] recursive support for ls-files Brandon Williams
2016-09-29 21:48 ` [PATCH v6 1/4] git: make super-prefix option Brandon Williams
2016-10-04 17:31 ` Stefan Beller
2016-10-04 17:35 ` Junio C Hamano
2016-10-04 17:39 ` Jeff King
2016-09-29 21:48 ` [PATCH v6 2/4] ls-files: optionally recurse into submodules Brandon Williams
2016-09-29 21:48 ` [PATCH v6 3/4] ls-files: pass through safe options for --recurse-submodules Brandon Williams
2016-09-30 0:14 ` Junio C Hamano
2016-09-30 16:33 ` Brandon Williams
2016-09-30 17:01 ` Brandon Williams
2016-09-29 21:48 ` [PATCH v6 4/4] ls-files: add pathspec matching for submodules Brandon Williams
2016-10-04 17:56 ` Stefan Beller [this message]
2016-10-07 18:18 ` [PATCH v7 0/4] recursive support for ls-files Brandon Williams
2016-10-07 18:18 ` [PATCH v7 1/4] git: make super-prefix option Brandon Williams
2016-10-07 18:18 ` [PATCH v7 2/4] ls-files: optionally recurse into submodules Brandon Williams
2016-10-07 18:18 ` [PATCH v7 3/4] ls-files: pass through safe options for --recurse-submodules Brandon Williams
2016-10-07 18:18 ` [PATCH v7 4/4] ls-files: add pathspec matching for submodules Brandon Williams
2016-10-07 18:34 ` [PATCH v7 0/4] recursive support for ls-files Stefan Beller
2016-10-07 18:35 ` Stefan Beller
2016-10-07 18:45 ` Brandon Williams
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