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Re: [PATCH][GSOC2014] changed logical chain in branch.c to lookup tables

From
Eric Sunshine <sunshine@sunshineco.com>
Date
Mar 11, 2014, 20:32 UTC
Message-ID
<CAPig+cSWw+3v8oCV2=kG_ASLPvg9J4S_FNg5UUFKXrFf2Lcb8w@mail.gmail.com>
In-Reply-To
<1394537604079-7605407.post@n2.nabble.com>
Thanks for the resubmission. Comments below.
On Tue, Mar 11, 2014 at 7:33 AM, Tamer TAS <tamertas@outlook.com> wrote:
> Subject: changed logical chain in branch.c to lookup tables
Use imperative tone: "change" rather than "changed"

Prefix the message with the part of the project you are touching. So, for instance, you might write:

    Subject: install_branch_config: change logical chain to lookup table
Show 25 quoted lines
> Eric Sunshine wrote
>> On Mon, Mar 10, 2014 at 5:47 PM, Tamer TAS &lt;
>
>> tamertas@
>
>> &gt; wrote:
>>
>> Section 4.3 of the GNU gettext manual [1] explains the issues in more
>> detail. I urge you to read it. The upshot is that translators fare
>> best when handed full sentences.
>>
>> Note also that your change effectively reverts d53a35032a67 [2], which
>> did away with the sort of string composition used in your patch.
>
> Eric thank you for your constructive feedbacks.
> I read the section 4.3 of GNU gettext manual and also checked the commit you
> mentioned.
> It seems like that my previous changes were not internationalization
> compatible.
> In order for a table-driven change to be compatible, the sentences has to be
> meaningful and not tokenized.
> I made the following change to the branch.c in order for the function to be
> both table-driven and
> internationalization compatible. Let me know if there are any oversights on
> my part.

This commentary is relevant to the ongoing email thread but not suitable for the permanent commit message. Place it below the "---" line just under your sign-off.

> Signed-off-by: TamerTas <tamertas@outlook.com>
> ---

It's considerate to reviewers to provide a link to the previous attempt, like this [1]. This area below the "---" line is the appropriate place to do so. Likewise, explain how this version differs from the previous one.

[1]: http://thread.gmane.org/gmane.comp.version-control.git/243793
Show 10 quoted lines
>  branch.c |   39 ++++++++++++++++-----------------------
>  1 file changed, 16 insertions(+), 23 deletions(-)
>
> diff --git a/branch.c b/branch.c
> index 723a36b..4c04638 100644
> --- a/branch.c
> +++ b/branch.c
> @@ -50,10 +50,25 @@ static int should_setup_rebase(const char *origin)
>  void install_branch_config(int flag, const char *local, const char *origin,
> const char *remote)

Your patch is whitespace damaged, probably due to being pasted into your email. "git send-email" avoids such problems.

Indentation is also broken. Use tabs for indentation, and set tab width to 8 in your editor, as explained in Documentation/CodingGuidelines.

Show 12 quoted lines
>  {
>         const char *shortname = remote + 11;
> +    const char *setup_messages[] = {
> +               _("Branch %s set up to track remote branch %s from %s."),
> +               _("Branch %s set up to track local branch %s."),
> +               _("Branch %s set up to track remote ref %s."),
> +               _("Branch %s set up to track local ref %s."),
> +               _("Branch %s set up to track remote branch %s from %s by rebasing."),
> +               _("Branch %s set up to track local branch %s by rebasing."),
> +               _("Branch %s set up to track remote ref %s by rebasing."),
> +               _("Branch %s set up to track local ref %s by rebasing.")
> +       };

On this project, arrays are usually (though not consistently) named in singular form (for instance setup_message[]) so that a reference to a single item, such as setup_message[42], reads more grammatically correct.

It's not correct to use _() inside the initializer list. Instead use N_(). Read section 4.7 of the GNU gettext manual [2] for an explanation. You will still need to use _() at the point where you extract the message from the array.

[2]: http://www.gnu.org/software/gettext/manual/gettext.html#Special-cases
Show 7 quoted lines
>         int remote_is_branch = starts_with(remote, "refs/heads/");
>         struct strbuf key = STRBUF_INIT;
>         int rebasing = should_setup_rebase(origin);
>
> +    int msg_index = (!!origin           >> 0) +
> +                                       (!!remote_is_branch >> 1) +
> +                                       (!!rebasing         >> 2);

Are you sure this is correct? As I read it, msg_index will only ever have a value of 0 or 1, which is unlikely what you intended.

Show 33 quoted lines
>         if (remote_is_branch
>             && !strcmp(local, shortname)
>             && !origin) {
> @@ -77,29 +92,7 @@ void install_branch_config(int flag, const char *local,
> const char *origin, cons
>         strbuf_release(&key);
>
>         if (flag & BRANCH_CONFIG_VERBOSE) {
> -               if (remote_is_branch && origin)
> -                       printf_ln(rebasing ?
> -                                 _("Branch %s set up to track remote branch %s from %s by rebasing.")
> :
> -                                 _("Branch %s set up to track remote branch %s from %s."),
> -                                 local, shortname, origin);
> -               else if (remote_is_branch && !origin)
> -                       printf_ln(rebasing ?
> -                                 _("Branch %s set up to track local branch %s by rebasing.") :
> -                                 _("Branch %s set up to track local branch %s."),
> -                                 local, shortname);
> -               else if (!remote_is_branch && origin)
> -                       printf_ln(rebasing ?
> -                                 _("Branch %s set up to track remote ref %s by rebasing.") :
> -                                 _("Branch %s set up to track remote ref %s."),
> -                                 local, remote);
> -               else if (!remote_is_branch && !origin)
> -                       printf_ln(rebasing ?
> -                                 _("Branch %s set up to track local ref %s by rebasing.") :
> -                                 _("Branch %s set up to track local ref %s."),
> -                                 local, remote);
> -               else
> -                       die("BUG: impossible combination of %d and %p",
> -                           remote_is_branch, origin);
> +               printf_ln(setup_messages[msg_index], local, remote);
This can't be correct.

In the original code, all of the printf_ln() invocations received 'local' as the first argument, but only two of them received 'remote', yet you are passing 'remote' on every invocation.

Worse, the first and fifths items in your setup_messages[] table expect three arguments (they have three %s's), but you're passing only two, which will surely lead to a crash.

Also, wrap _() around setup_messages[msg_index], as noted above.
Show 5 quoted lines
>         }
>  }
>
> --
> 1.7.9.5
Previous: Tamer TASNext: Movchan Pavel
Message 80 of 98 in “Close a forgotten reference to the HEAD ref.”
  1. 1/2 Close a forgotten reference to the HEAD ref.Robin Rosenberg, Dec 2, 2008
  2. 2/2 Improve closing of files in error situations.Robin Rosenberg, Dec 2, 2008
  3. 2/2 Improve closing of files in error situations.Robin Rosenberg, Dec 2, 2008
  4. 0/3 Ref log readerRobin Rosenberg, Jun 7, 2009
  5. 1/3 Assert the name and origName properties of Ref objectsRobin Rosenberg, Jun 7, 2009
  6. 2/3 Add methods to RawParseUtils for scanning backwards.Robin Rosenberg, Jun 7, 2009
  7. 3/3 Add a ref log reader classRobin Rosenberg, Jun 7, 2009
  8. Shawn O. PearceJun 7, 2009
  9. Robin RosenbergJun 7, 2009
  10. Shawn O. PearceJun 7, 2009
  11. 1/2 Add methods to RawParseUtils for scanning backwards.Robin Rosenberg, Jun 8, 2009
  12. 2/2 Add a ref log reader classRobin Rosenberg, Jun 8, 2009
  13. Shawn O. PearceJun 12, 2009
  14. 1/2 Use a UTC relative time zone for PersonIdentRobin Rosenberg, Jun 15, 2009
  15. 2/2 Add a ref log reader classRobin Rosenberg, Jun 15, 2009
  16. Robin RosenbergJun 15, 2009
  17. [BUG] apply: test for trailing whitespace & no new line bugy@vger.kernel.org, Jun 22, 2009
  18. [BUG] apply: test for trailing whitespace & no new line bugy@vger.kernel.org, Jun 22, 2009
  19. diff.c: fix a graph output bugstruggleyb.nku@gmail.com, Jul 8, 2010
  20. Junio C HamanoJul 9, 2010
  21. Junio C HamanoJul 9, 2010
  22. Nazri RamliyJul 9, 2010
  23. Junio C HamanoJul 9, 2010
  24. Bo YangJul 11, 2010
  25. 1/2 setup.c: add enter_work_tree()pclouds@gmail.com, Oct 7, 2010
  26. 2/2 worktree: provide better prefix to go back to original cwdpclouds@gmail.com, Oct 7, 2010
  27. Nguyen Thai Ngoc DuyOct 7, 2010
  28. Junio C HamanoOct 7, 2010
  29. Nguyen Thai Ngoc DuyOct 7, 2010
  30. Junio C HamanoOct 7, 2010
  31. Nguyen Thai Ngoc DuyOct 7, 2010
  32. Corrected cmitmode set in the right lower window when initiating a diff.Michał Pomorski, Nov 23, 2010
  33. git-p4: replace each tab with 8 spaces for consistencyAndrew Garber, Apr 7, 2011
  34. Junio C HamanoApr 7, 2011
  35. Phil HordApr 7, 2011
  36. Junio C HamanoApr 7, 2011
  37. git-p4: replace each tab with 8 spaces for consistencyAndrew Garber, Apr 7, 2011
  38. file import functionality for git-remote-mwPavel Volek, Jun 4, 2012
  39. Matthieu MoyJun 4, 2012
  40. Export file attachements in git-remote-mediawikiNGUYEN Kim Thuat, Jun 4, 2012
  41. Matthieu MoyJun 4, 2012
  42. nguyenkiJun 5, 2012
  43. Matthieu MoyJun 5, 2012
  44. nguyenkiJun 6, 2012
  45. nguyenkiJun 5, 2012
  46. [PATCHv1] Export file in git-remote-mediawikiKim Thuat NGUYEN, Jun 8, 2012
  47. Matthieu MoyJun 8, 2012
  48. nguyenkiJun 8, 2012
  49. Matthieu MoyJun 10, 2012
  50. [PATCHv2] git-remote-mediawiki: export File: attachmentsKim Thuat NGUYEN, Jun 12, 2012
  51. Matthieu MoyJun 12, 2012
  52. nguyenkiJun 12, 2012
  53. Max HornJun 12, 2012
  54. [PATCHv3] git-remote-mediawiki: export File: attachmentskim-thuat.nguyen@ensimag.imag.fr, Jun 13, 2012
  55. Matthieu MoyJun 13, 2012
  56. git send-email should not allow 'y' for in-reply-toEric Blake, Jan 11, 2013
  57. Jeff KingJan 11, 2013
  58. Eric BlakeJan 11, 2013
  59. Hilco WijbengaJan 11, 2013
  60. Jeff KingJan 11, 2013
  61. Junio C HamanoFeb 24, 2013
  62. v3 [PATCH 1/2] status: introduce status.short to enable --short by defaulty@ensimag.imag.fr, Jun 10, 2013
  63. v3 [PATCH 1/2] status: introduce status.short to enable --short by defaulty@ensimag.imag.fr, Jun 10, 2013
  64. v3 [PATCH 2/2] status:introduce status.branch to enable --branch by defaulty@ensimag.imag.fr, Jun 10, 2013
  65. v3 [PATCH 2/2] status:introduce status.branch to enable --branch by defaulty@ensimag.imag.fr, Jun 10, 2013
  66. Matthieu MoyJun 10, 2013
  67. Junio C HamanoJun 10, 2013
  68. 3/3 builtin/blame.c: reduce scope of variablesElia Pinto, Jan 29, 2014
  69. use strchrnul() in place of strchr() and strlen()Rohit Mani, Mar 5, 2014
  70. Junio C HamanoMar 6, 2014
  71. [GSoC][PATCH v2] use strchrnul() in place of strchr() and strlen()Rohit Mani, Mar 8, 2014
  72. Junio C HamanoMar 10, 2014
  73. [GSOC2014]TamerTas, Mar 10, 2014
  74. [GSOC2014] changed logical chain in branch.c to lookup tablesTamerTas, Mar 10, 2014
  75. Stefan BellerMar 10, 2014
  76. Eric SunshineMar 10, 2014
  77. Tamer TASMar 10, 2014
  78. Eric SunshineMar 10, 2014
  79. Tamer TASMar 11, 2014
  80. Eric SunshineMar 11, 2014
  81. [GSOC2014] add: Rewrite run_add_interactive to use struct argv_arrayMovchan Pavel, Mar 18, 2014
  82. Junio C HamanoMar 18, 2014
  83. Use "working tree" instead of "working directory" for git statusLars Vogel, Jun 9, 2016
  84. Eric SunshineJun 9, 2016
  85. Lars VogelJun 9, 2016
  86. 1/1 git-stash.txt: correct "git stash" behavior with no argumentsTakahito Ogawa, Oct 11, 2017
  87. Junio C HamanoOct 12, 2017
  88. 小川恭史Oct 12, 2017
  89. 小川恭史Oct 12, 2017
  90. Junio C HamanoOct 12, 2017
  91. Allow usage of --gpg-sign flag in commit-tree builtin.Brandon Richardson, Jan 17, 2019
  92. Martin ÅgrenJan 17, 2019
  93. commit-tree: add missing --gpg-sign flagBrandon Richardson, Jan 18, 2019
  94. Martin ÅgrenJan 18, 2019
  95. Brandon RichardsonJan 18, 2019
  96. Junio C HamanoJan 18, 2019
  97. [L10N] Kickoff for Git 2.22.0 round #1Jiang Xin, May 14, 2019
  98. [L10N] Kickoff for Git 2.49.0Jiang Xin, Feb 27, 2025

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