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From: Brandon Williams <bmwill@google.com>
To: Stefan Beller <sbeller@google.com>
Cc: Prathamesh Chavan <pc44800@gmail.com>, "git@vger.kernel.org" <git@vger.kernel.org>, Christian Couder <christian.couder@gmail.com>, Jeff King <peff@peff.net>, Ramsay Jones <ramsay@ramsayjones.plus.com>
Subject: Re: [GSoC][PATCH v4 2/2] submodule: port subcommand foreach from shell to C
Date: Tue, 23 May 2017 14:05:25 -0700
Message-ID: <20170523210525.GH115919@google.com> (raw)
In-Reply-To: <CAGZ79kYPUO34YUVR_u4sRuYz+Geo=wxwNEfCnyx+NQWQCQTkaQ@mail.gmail.com>

On 05/23, Stefan Beller wrote:
> On Tue, May 23, 2017 at 12:36 PM, Brandon Williams <bmwill@google.com> wrote:
> >
> > You can set .git_cmd = 1 instead.
> >
> >> +             cpr.dir = list_item->name;
> >> +             prepare_submodule_repo_env(&cpr.env_array);
> >> +
> >> +             argv_array_pushl(&cpr.args, "git", "--super-prefix", displaypath,
> >
> > And then you don't need to include "git" here.
> 
> even if git_cmd = 1 is set, you'd need a first dummy argument?
> cf. find_unpushed_submodules, See comment in 9cfa1c260f
> (serialize collection of refs that contain submodule changes, 2016-11-16)

Different subsystem, you don't need a dummy first argument.  The
revision walking code does (for some reason) need a dummy first
argument.

> 
> >> +
> >> +     info.argc = argc;
> >> +     info.argv = argv;
> >> +     info.prefix = prefix;
> >> +     info.quiet = !!quiet;
> >> +     info.recursive = !!recursive;
> >
> > If these values are boolean why do we need to do the extra '!!'?
> 
> Actually that was my advice. As we only have a limited space in a single
> bit, strange things happen when you were to do:
> 
>     quiet = 2; /* be extra quiet */
>     info.quiet = quiet;
> 
> This is not the case here, but other commands have evolved over time
> to first take a OPT_BOOL, and then in a later patch an OPT_INT.
> (some commands take a "-v -v -v")
> 
> And by having the double negative we'd have some defensive programming
> right here. (To prove I am not telling crazy stories, $ git log -S \!\!)

All good, I didn't notice that they were bit fields.

-- 
Brandon Williams

  reply index

Thread overview: 48+ messages in thread (expand / mbox.gz / Atom feed / [top])
2017-04-19 17:05 [GSoC][RFC/PATCH] " Prathamesh Chavan
2017-04-19 18:08 ` Stefan Beller
2017-04-22 19:58   ` [GSoC][RFC/PATCH v2] " Prathamesh Chavan
2017-04-24  2:24     ` Junio C Hamano
2017-04-24 20:03     ` Stefan Beller
2017-04-24 22:11       ` Ramsay Jones
2017-04-24 22:17         ` Stefan Beller
2017-04-24 22:43           ` Ramsay Jones
2017-05-12 11:44             ` [GSoC][RFC/PATCH v3 1/2] t7407: test "submodule foreach --recursive" from subdirectory added Prathamesh Chavan
2017-05-12 11:44               ` [GSoC][RFC/PATCH v3 2/2] submodule: port subcommand foreach from shell to C Prathamesh Chavan
2017-05-15 17:22                 ` Stefan Beller
2017-05-15 18:34                 ` Brandon Williams
2017-05-21 12:58                   ` [GSoC][PATCH v4 1/2] t7407: test "submodule foreach --recursive" from subdirectory added Prathamesh Chavan
2017-05-21 12:58                     ` [GSoC][PATCH v4 2/2] submodule: port subcommand foreach from shell to C Prathamesh Chavan
2017-05-22 20:04                       ` Stefan Beller
2017-05-23 19:09                         ` Brandon Williams
2017-05-23 19:36                       ` Brandon Williams
2017-05-23 20:57                         ` Stefan Beller
2017-05-23 21:05                           ` Brandon Williams [this message]
2017-05-26 15:17                       ` [GSoC][PATCH v5 1/3] submodule: fix buggy $path and $sm_path variable's value Prathamesh Chavan
2017-05-26 15:17                         ` [GSoC][PATCH v5 2/3] t7407: test "submodule foreach --recursive" from subdirectory added Prathamesh Chavan
2017-05-26 16:19                           ` Stefan Beller
2017-05-26 16:33                           ` Brandon Williams
2017-05-26 15:17                         ` [GSoC][PATCH v5 3/3] submodule: port subcommand foreach from shell to C Prathamesh Chavan
2017-05-26 16:14                           ` Stefan Beller
2017-05-26 16:44                           ` Brandon Williams
2017-05-26 21:54                           ` Johannes Sixt
2017-05-26 22:03                             ` Brandon Williams
2017-05-27  1:20                             ` Ramsay Jones
2017-05-27 14:06                               ` Ramsay Jones
2017-05-27 21:24                                 ` Johannes Sixt
2017-05-26 16:31                         ` [GSoC][PATCH v5 1/3] submodule: fix buggy $path and $sm_path variable's value Ramsay Jones
2017-05-26 17:07                           ` Stefan Beller
2017-05-27  1:10                             ` Ramsay Jones
2017-05-30 21:53                               ` Stefan Beller
2017-05-30 23:07                                 ` Ramsay Jones
2017-05-30 23:29                                   ` Stefan Beller
2017-05-31  0:13                                     ` Ramsay Jones
2017-05-31  0:48                                       ` Ramsay Jones
2017-06-02 11:24                                         ` [GSoC][PATCH v6 1/2] " Prathamesh Chavan
2017-06-02 11:24                                           ` [GSoC][PATCH v6 2/2] submodule: port subcommand foreach from shell to C Prathamesh Chavan
2017-06-03  2:13                                             ` Stefan Beller
2017-06-04 10:32                                               ` Prathamesh Chavan
2017-05-23 19:06                     ` [GSoC][PATCH v4 1/2] t7407: test "submodule foreach --recursive" from subdirectory added Brandon Williams
2017-06-03  0:37                   ` [PATCH] submodule foreach: correct $sm_path in nested submodules from a dir Stefan Beller
2017-06-03 14:07                     ` Ramsay Jones
2017-06-04 15:05                       ` Ramsay Jones
2017-06-05 22:20                     ` Jonathan Nieder

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