From: Brandon Williams <bmwill@google.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: "Git Mailing List" <git@vger.kernel.org>,
"Junio C Hamano" <gitster@pobox.com>, "Jeff King" <peff@peff.net>,
"Jeffrey Walton" <noloader@gmail.com>,
"Michał Kiedrowicz" <michal.kiedrowicz@gmail.com>,
"J Smith" <dark.panda@gmail.com>,
"Victor Leschuk" <vleschuk@gmail.com>,
"Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
"Fredrik Kuivinen" <frekui@gmail.com>
Subject: Re: [PATCH 28/29] grep: given --threads with NO_PTHREADS=YesPlease, warn
Date: Thu, 11 May 2017 13:43:34 -0700 [thread overview]
Message-ID: <20170511204334.GM83655@google.com> (raw)
In-Reply-To: <CACBZZX5-oDsMh08KNiEp8mDbCH06ROozc7sekts4BRsm-dTOwg@mail.gmail.com>
On 05/11, Ævar Arnfjörð Bjarmason wrote:
> On Thu, May 11, 2017 at 10:21 PM, Brandon Williams <bmwill@google.com> wrote:
> > On 05/11, Ævar Arnfjörð Bjarmason wrote:
> >> Add a warning about missing thread support when grep.threads or
> >> --threads is set to a non 0 (default) or 1 (no parallelism) value
> >> under NO_PTHREADS=YesPlease.
> >>
> >> This is for consistency with the index-pack & pack-objects commands,
> >> which also take a --threads option & are configurable via
> >> pack.threads, and have long warned about the same under
> >> NO_PTHREADS=YesPlease.
> >>
> >> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> >> ---
> >> builtin/grep.c | 11 +++++++++++
> >> t/t7810-grep.sh | 18 ++++++++++++++++++
> >> 2 files changed, 29 insertions(+)
> >>
> >> diff --git a/builtin/grep.c b/builtin/grep.c
> >> index 1c0adb30f3..f4e08dd2b6 100644
> >> --- a/builtin/grep.c
> >> +++ b/builtin/grep.c
> >> @@ -289,6 +289,15 @@ static int grep_cmd_config(const char *var, const char *value, void *cb)
> >> if (num_threads < 0)
> >> die(_("invalid number of threads specified (%d) for %s"),
> >> num_threads, var);
> >> +#ifdef NO_PTHREADS
> >> + else if (num_threads && num_threads != 1) {
> >> + /* TRANSLATORS: %s is the configuration
> >> + variable for tweaking threads, currently
> >> + grep.threads */
> >
> > nit: this comment isn't formatted properly:
> > /*
> > * ... comment ...
> > */
>
> Comments for translators use a different style, see cbcfd4e3ea ("i18n:
> mention "TRANSLATORS:" marker in Documentation/CodingGuidelines",
> 2014-04-18). Otherwise the "*" gets interpolated into the string the
> translators see in their UI.
>
Ah got it, I wasn't aware of that.
> >> + warning(_("no threads support, ignoring %s"), var);
> >> + num_threads = 0;
> >> + }
> >> +#endif
> >> }
> >>
> >> return st;
> >> @@ -1233,6 +1242,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
> >> else if (num_threads < 0)
> >> die(_("invalid number of threads specified (%d)"), num_threads);
> >> #else
> >> + if (num_threads)
> >> + warning(_("no threads support, ignoring --threads"));
> >> num_threads = 0;
> >> #endif
> >>
> >> diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
> >> index 561709ef6a..f106387820 100755
> >> --- a/t/t7810-grep.sh
> >> +++ b/t/t7810-grep.sh
> >> @@ -791,6 +791,24 @@ do
> >> "
> >> done
> >>
> >> +test_expect_success !PTHREADS,C_LOCALE_OUTPUT 'grep --threads=N or pack.threads=N warns when no pthreads' '
> >> + git grep --threads=2 Hello hello_world 2>err &&
> >> + grep ^warning: err >warnings &&
> >> + test_line_count = 1 warnings &&
> >> + grep -F "no threads support, ignoring --threads" err &&
> >> + git -c grep.threads=2 grep Hello hello_world 2>err &&
> >> + grep ^warning: err >warnings &&
> >> + test_line_count = 1 warnings &&
> >> + grep -F "no threads support, ignoring grep.threads" err &&
> >> + git -c grep.threads=2 grep --threads=4 Hello hello_world 2>err &&
> >> + grep ^warning: err >warnings &&
> >> + test_line_count = 2 warnings &&
> >> + grep -F "no threads support, ignoring --threads" err &&
> >> + grep -F "no threads support, ignoring grep.threads" err &&
> >> + git -c grep.threads=0 grep --threads=0 Hello hello_world 2>err &&
> >> + test_line_count = 0 err
> >> +'
> >> +
> >
> > Same bit about doing the correct checks on the error strings to account
> > for translation.
>
> Do you mean why not use test_i18ngrep? The test is guarded by
> C_LOCALE_OUTPUT which does the same thing, the whole thing is testing
> output so no point in doing just parts of it IMO, unlike some other
> tests that just end in "let's compare the output" but actually test
> other stuff.
>
> I could e.g. test that there's something on stderr under poison, but
> no point in doing so.
Fair enough, and I didn't notice the C_LOCALE_OUTPUT.
>
> >> test_expect_success 'grep from a subdirectory to search wider area (1)' '
> >> mkdir -p s &&
> >> (
> >> --
> >> 2.11.0
> >>
> >
> > --
> > Brandon Williams
--
Brandon Williams
next prev parent reply other threads:[~2017-05-11 20:43 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-11 9:18 [PATCH 00/29] Easy to review grep & pre-PCRE changes Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 01/29] Makefile & configure: reword inaccurate comment about PCRE Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 02/29] grep & rev-list doc: stop promising libpcre for --perl-regexp Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 03/29] test-lib: rename the LIBPCRE prerequisite to PCRE Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 04/29] log: add exhaustive tests for pattern style options & config Ævar Arnfjörð Bjarmason
2017-05-12 4:48 ` Junio C Hamano
2017-05-13 18:02 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 05/29] grep: add a test asserting that --perl-regexp dies when !PCRE Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 06/29] grep: add a test for backreferences in PCRE patterns Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 07/29] grep: change non-ASCII -i test to stop using --debug Ævar Arnfjörð Bjarmason
2017-05-11 18:31 ` Brandon Williams
2017-05-11 18:35 ` Ævar Arnfjörð Bjarmason
2017-05-11 20:05 ` Brandon Williams
2017-05-11 9:18 ` [PATCH 08/29] grep: add tests for --threads=N and grep.threads Ævar Arnfjörð Bjarmason
2017-05-11 18:36 ` Brandon Williams
2017-05-11 19:22 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 09/29] grep: amend submodule recursion test for regex engine testing Ævar Arnfjörð Bjarmason
2017-05-12 4:59 ` Junio C Hamano
2017-05-13 17:33 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 10/29] grep: add tests for grep pattern types being passed to submodules Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 11/29] grep: add a test helper function for less verbose -f \0 tests Ævar Arnfjörð Bjarmason
2017-05-12 5:06 ` Junio C Hamano
2017-05-13 11:33 ` Ævar Arnfjörð Bjarmason
2017-05-15 1:29 ` Junio C Hamano
2017-05-11 9:18 ` [PATCH 12/29] grep: prepare for testing binary regexes containing rx metacharacters Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 13/29] grep: add tests to fix blind spots with \0 patterns Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 14/29] perf: add a GIT_PERF_MAKE_COMMAND for when *_MAKE_OPTS won't do Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 15/29] perf: emit progress output when unpacking & building Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 16/29] perf: add a performance comparison test of grep -G, -E and -P Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 17/29] perf: add a performance comparison of fixed-string grep Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 18/29] grep: catch a missing enum in switch statement Ævar Arnfjörð Bjarmason
2017-05-11 20:08 ` Brandon Williams
2017-05-11 20:40 ` Stefan Beller
2017-05-11 20:50 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 19/29] grep: remove redundant regflags assignment under PCRE Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 20/29] grep: remove redundant `regflags &= ~REG_EXTENDED` assignments Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 21/29] grep: factor test for \0 in grep patterns into a function Ævar Arnfjörð Bjarmason
2017-05-11 20:15 ` Brandon Williams
2017-05-11 20:22 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 22/29] grep: change the internal PCRE macro names to be PCRE1 Ævar Arnfjörð Bjarmason
2017-05-11 20:10 ` Brandon Williams
2017-05-11 9:18 ` [PATCH 23/29] grep: change internal *pcre* variable & function names to be *pcre1* Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 24/29] grep: move two functions to avoid forward declaration Ævar Arnfjörð Bjarmason
2017-05-11 20:14 ` Brandon Williams
2017-05-11 20:20 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 25/29] test-lib: add a PTHREADS prerequisite Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 26/29] pack-objects & index-pack: add test for --threads warning Ævar Arnfjörð Bjarmason
2017-05-11 20:17 ` Brandon Williams
2017-05-11 20:34 ` Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 27/29] pack-objects: fix buggy warning about threads Ævar Arnfjörð Bjarmason
2017-05-11 9:18 ` [PATCH 28/29] grep: given --threads with NO_PTHREADS=YesPlease, warn Ævar Arnfjörð Bjarmason
2017-05-11 20:21 ` Brandon Williams
2017-05-11 20:33 ` Ævar Arnfjörð Bjarmason
2017-05-11 20:43 ` Brandon Williams [this message]
2017-05-11 21:20 ` [PATCH] C style: use standard style for "TRANSLATORS" comments Ævar Arnfjörð Bjarmason
2017-05-11 21:41 ` Jonathan Nieder
2017-05-11 21:50 ` Brandon Williams
2017-05-12 5:20 ` Johannes Sixt
2017-05-30 16:02 ` Jiang Xin
2017-05-30 23:03 ` Junio C Hamano
2017-05-11 9:18 ` [PATCH 29/29] grep: assert that threading is enabled when calling grep_{lock,unlock} Ævar Arnfjörð Bjarmason
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: http://vger.kernel.org/majordomo-info.html
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170511204334.GM83655@google.com \
--to=bmwill@google.com \
--cc=avarab@gmail.com \
--cc=dark.panda@gmail.com \
--cc=frekui@gmail.com \
--cc=git@vger.kernel.org \
--cc=gitster@pobox.com \
--cc=michal.kiedrowicz@gmail.com \
--cc=noloader@gmail.com \
--cc=pclouds@gmail.com \
--cc=peff@peff.net \
--cc=vleschuk@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://80x24.org/mirrors/git.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).