summaryrefslogtreecommitdiff
path: root/Documentation/CodingGuidelines
AgeCommit message (Collapse)AuthorFilesLines
2015-04-14Merge branch 'jg/cguide-we-cannot-count'Libravatar Junio C Hamano1-1/+1
* jg/cguide-we-cannot-count: CodingGuidelines: update 'rough' rule count
2015-04-14CodingGuidelines: update 'rough' rule countLibravatar Julian Gindi1-1/+1
Changed inaccurate count of "rough rules" from three to the more generic 'a few'. Signed-off-by: Julian Gindi <juliangindi@gmail.com> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-03-13*config.txt: stick to camelCase naming conventionLibravatar Nguyễn Thái Ngọc Duy1-1/+1
This should improve readability. Compare "thislongname" and "thisLongName". The following keys are left in unchanged. We can decide what to do with them later. - am.keepcr - core.autocrlf .safecrlf .trustctime - diff.dirstat .noprefix - gitcvs.usecrlfattr - gui.blamehistoryctx .trustmtime - pull.twohead - receive.autogc - sendemail.signedoffbycc .smtpsslcertpath .suppresscc Helped-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-02-22Merge branch 'jc/conf-var-doc'Libravatar Junio C Hamano1-0/+23
Longstanding configuration variable naming rules has been added to the documentation. * jc/conf-var-doc: CodingGuidelines: describe naming rules for configuration variables config.txt: mark deprecated variables more prominently config.txt: clarify that add.ignore-errors is deprecated
2015-02-11Merge branch 'ah/usage-strings'Libravatar Junio C Hamano1-2/+6
* ah/usage-strings: standardize usage info string format
2015-02-11Merge branch 'jc/coding-guidelines'Libravatar Junio C Hamano1-3/+8
* jc/coding-guidelines: CodingGuidelines: clarify C #include rules
2015-02-02CodingGuidelines: describe naming rules for configuration variablesLibravatar Junio C Hamano1-0/+23
We may want to say something about command line option names in the new section as well, but for now, let's make sure everybody is clear on how to structure and name their configuration variables. The text for the rules are partly taken from the log message of Jonathan's 6b3020a2 (add: introduce add.ignoreerrors synonym for add.ignore-errors, 2010-12-01). Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-01-15CodingGuidelines: clarify C #include rulesLibravatar Junio C Hamano1-3/+8
Even though "advice.h" includes "git-compat-util.h", it is not sensible to have it as the first #include and indirectly satisify the "You must give git-compat-util.h a clean environment to set up feature test macros before including any of the system headers are included", which is the real requirement. Because: - A command that interacts with the object store, config subsystem, the index, or the working tree cannot do anything without using what is declared in "cache.h"; - A built-in command must be declared in "builtin.h", so anything in builtin/*.c must include it; - These two headers both include "git-compat-util.h" as the first thing; and - Almost all our *.c files (outside compat/ and borrowed files in xdiff/) need some Git-ness from "cache.h" to do something Git-ish. let's explicitly specify that one of these three header files must be the first thing that is included. Any of our *.c file should include the header file that directly declares what it uses, instead of relying on the fact that some *.h file it includes happens to include another *.h file that declares the necessary function or type. Spell it out as another guideline item. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-01-14standardize usage info string formatLibravatar Alex Henrie1-2/+6
This patch puts the usage info strings that were not already in docopt- like format into docopt-like format, which will be a litle easier for end users and a lot easier for translators. Changes include: - Placing angle brackets around fill-in-the-blank parameters - Putting dashes in multiword parameter names - Adding spaces to [-f|--foobar] to make [-f | --foobar] - Replacing <foobar>* with [<foobar>...] Signed-off-by: Alex Henrie <alexhenrie24@gmail.com> Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-07-16Merge branch 'po/error-message-style'Libravatar Junio C Hamano1-0/+9
* po/error-message-style: doc: give some guidelines for error messages
2014-07-10doc: give some guidelines for error messagesLibravatar Philip Oakley1-0/+9
Clarify error message puntuation to reduce review workload. Signed-off-by: Philip Oakley <philipoakley@iee.org> Helped-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-20CodingGuidelines: avoid "test <cond> -a/-o <cond>"Libravatar Junio C Hamano1-0/+13
The construct is error-prone; "test" being built-in in most modern shells, the reason to avoid "test <cond> && test <cond>" spawning one extra process by using a single "test <cond> -a <cond>" no longer exists. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: on splitting a long lineLibravatar Junio C Hamano1-0/+55
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: on comparisonLibravatar Junio C Hamano1-0/+27
There are arguments for writing a conditional as "a < b" rather than "b > a", or vice versa. Let's give guidance on which we prefer. See http://thread.gmane.org/gmane.comp.version-control.git/3903/focus=4126 for the original discussion. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: do not call the conditional statement "if()"Libravatar Junio C Hamano1-1/+1
The point immediately before it is about having SP after the control keyword. Spell it out as 'an "if" statement' instead. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: give an example for shell function preambleLibravatar Junio C Hamano1-3/+11
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: give an example for control statementsLibravatar Junio C Hamano1-0/+11
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: give an example for redirectionLibravatar Junio C Hamano1-0/+8
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: give an example for case/esac statementLibravatar Junio C Hamano1-1/+11
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-05-02CodingGuidelines: once it is in, it is not worth the code churnLibravatar Junio C Hamano1-0/+8
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-18i18n: mention "TRANSLATORS:" marker in Documentation/CodingGuidelinesLibravatar Junio C Hamano1-0/+10
These comments have to have "TRANSLATORS: " at the very beginning and have to deviate from the usual multi-line comment formatting convention. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-04-08Merge branch 'jl/nor-or-nand-and'Libravatar Junio C Hamano1-2/+2
Eradicate mistaken use of "nor" (that is, essentially "nor" used not in "neither A nor B" ;-)) from in-code comments, command output strings, and documentations. * jl/nor-or-nand-and: code and test: fix misuses of "nor" comments: fix misuses of "nor" contrib: fix misuses of "nor" Documentation: fix misuses of "nor"
2014-03-31Documentation: fix misuses of "nor"Libravatar Justin Lebar1-2/+2
Signed-off-by: Justin Lebar <jlebar@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-02-28CodingGuidelines: mention C whitespace rulesLibravatar Jeff King1-0/+11
We are fairly consistent about these, so most are covered by "follow existing style", but it doesn't hurt to be explicit. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-17Merge branch 'jj/doc-markup-hints-in-coding-guidelines' into maintLibravatar Junio C Hamano1-3/+31
* jj/doc-markup-hints-in-coding-guidelines: State correct usage of literal examples in man pages in the coding standards
2013-12-03Merge branch 'jj/doc-markup-hints-in-coding-guidelines'Libravatar Junio C Hamano1-3/+31
* jj/doc-markup-hints-in-coding-guidelines: State correct usage of literal examples in man pages in the coding standards
2013-11-18State correct usage of literal examples in man pages in the coding standardsLibravatar Jason St. John1-3/+31
The man pages contain inconsistent usage of backticks vs. single quotes around options, commands, etc. that are in paragraphs. This commit states that backticks should always be used around literal examples. This commit states that "--" and friends should not be escaped (e.g. use `--pretty=oneline` instead of `\--pretty=oneline`). This commit also states correct usage for typesetting command usage examples with inline substitutions. Thanks-to: Ramkumar Ramachandra <artagnon@gmail.com> Thanks-to: Stuart Rackham <srackham@gmail.com> Thanks-to: Junio C Hamano <gitster@pobox.com> Signed-off-by: Jason St. John <jstjohn@purdue.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-10-14CodingGuidelines: style for multi-line commentsLibravatar brian m. carlson1-0/+8
The style for multi-line comments is often mentioned and should be documented for clarity. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
2013-08-01Provide some linguistic guidance for the documentation.Libravatar Marc Branchaud1-0/+8
This will hopefully avoid questions over which spelling and grammar should be used. Translators are of course free to create localizations for specific English dialects. Signed-off-by: Marc Branchaud <marcnarc@xiplink.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-05-10CodingGuidelines: Documentation/*.txt are the sourcesLibravatar Dale Worley1-2/+4
People not familiar with AsciiDoc may not realize they are supposed to update *.txt files and not *.html/*.1 files when preparing patches to the project. Signed-off-by: Dale Worley <worley@ariadne.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-03-21CodingGuidelines: our documents are in AsciiDocLibravatar Junio C Hamano1-0/+3
Before talking about notations such as optional [--option] enclosed in brackets, state that the documents are in AsciiDoc and processed into other formats. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-14Merge branch 'tz/perl-styles'Libravatar Junio C Hamano1-0/+42
Add coding guidelines for writing Perl scripts for Git. * tz/perl-styles: Update CodingGuidelines for Perl
2013-02-07Merge branch 'jk/python-styles'Libravatar Junio C Hamano1-0/+14
* jk/python-styles: CodingGuidelines: add Python coding guidelines
2013-02-06Update CodingGuidelines for PerlLibravatar Ted Zlatanov1-0/+42
Add the coding guidelines for Perl. Signed-off-by: Ted Zlatanov <tzz@lifelogs.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-01Documentation: the name of the system is 'Git', not 'git'Libravatar Thomas Ackermann1-7/+7
Signed-off-by: Thomas Ackermann <th.acker@arcor.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-01Documentation: avoid poor-man's small caps GITLibravatar Thomas Ackermann1-0/+5
In the earlier days, we used to spell the name of the system as GIT, to simulate as if it were typeset with capital G and IT in small caps. Later we stopped doing so at around 1.6.5 days. Let's stop doing so throughout the documentation. The name to refer to the whole system (and the concept it embodies) is "Git"; the command end-users type is "git". And document this in the coding guideline. Signed-off-by: Thomas Ackermann <th.acker@arcor.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-01-30CodingGuidelines: add Python coding guidelinesLibravatar John Keeping1-0/+14
These are kept short by simply deferring to PEP-8. Most of the Python code in Git is already very close to this style (some things in contrib/ are not). Rationale for version suggestions: - Amongst the noise in [1], there isn't any disagreement about using 2.6 as a base (see also [2]), although Brandon Casey recently added support for 2.4 and 2.5 to git-p4 [3]. - Restricting ourselves to 2.6+ makes aiming for Python 3 compatibility significantly easier [4]. - Advocating Python 3 support in all scripts is currently unrealistic because: - 'p4 -G' provides output in a format that is very hard to use with Python 3 (and its documentation claims Python 3 is unsupported). - Mercurial does not support Python 3. - Bazaar does not support Python 3. - But we should try to make new scripts compatible with Python 3 because all new Python development is happening on version 3 and the Python community will eventually stop supporting Python 2 [5]. - Python 3.1 is required to support the 'surrogateescape' error handler for encoding/decodng filenames to/from Unicode strings and Python 3.0 is not longer supported. [1] http://thread.gmane.org/gmane.comp.version-control.git/210329 [2] http://article.gmane.org/gmane.comp.version-control.git/210429 [3] http://thread.gmane.org/gmane.comp.version-control.git/214579 [4] http://docs.python.org/3.3/howto/pyporting.html#try-to-support-python-2-6-and-newer-only [5] http://www.python.org/dev/peps/pep-0404/ Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-16Documentation: move support for old compilers to CodingGuidelinesLibravatar Adam Spiers1-0/+8
The "Try to be nice to older C compilers" text is clearly a guideline to be borne in mind whilst coding rather than when submitting patches. Signed-off-by: Adam Spiers <git@adamspiers.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-08-15Documentation/CodingGuidelines: spell out more shell guidelinesLibravatar Heiko Voigt1-0/+8
In earlier days, "imitate the style in the neibouring code" was sufficient to keep the coherent style, but over time some parts of the codebase have drifted enough to make it ineffective. Spell some of the guidelines out. Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-27CodingGuidelines: do not use 'which' in shell scriptsLibravatar Tim Henigan1-0/+5
During the code review of a recent patch, it was noted that shell scripts must not use 'which $cmd' to check the availability of the command $cmd. The output of the command is not machine parseable and its exit code is not reliable across platforms. It is better to use 'type' to accomplish this task. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-02-27CodingGuidelines: Add a note about spaces after redirectionLibravatar Tim Henigan1-0/+7
During code review of some patches, it was noted that redirection operators should have space before, but no space after them. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-12-05i18n: add infrastructure for translating Git with gettextLibravatar Ævar Arnfjörð Bjarmason1-0/+7
Change the skeleton implementation of i18n in Git to one that can show localized strings to users for our C, Shell and Perl programs using either GNU libintl or the Solaris gettext implementation. This new internationalization support is enabled by default. If gettext isn't available, or if Git is compiled with NO_GETTEXT=YesPlease, Git falls back on its current behavior of showing interface messages in English. When using the autoconf script we'll auto-detect if the gettext libraries are installed and act appropriately. This change is somewhat large because as well as adding a C, Shell and Perl i18n interface we're adding a lot of tests for them, and for those tests to work we need a skeleton PO file to actually test translations. A minimal Icelandic translation is included for this purpose. Icelandic includes multi-byte characters which makes it easy to test various edge cases, and it's a language I happen to understand. The rest of the commit message goes into detail about various sub-parts of this commit. = Installation Gettext .mo files will be installed and looked for in the standard $(prefix)/share/locale path. GIT_TEXTDOMAINDIR can also be set to override that, but that's only intended to be used to test Git itself. = Perl Perl code that's to be localized should use the new Git::I18n module. It imports a __ function into the caller's package by default. Instead of using the high level Locale::TextDomain interface I've opted to use the low-level (equivalent to the C interface) Locale::Messages module, which Locale::TextDomain itself uses. Locale::TextDomain does a lot of redundant work we don't need, and some of it would potentially introduce bugs. It tries to set the $TEXTDOMAIN based on package of the caller, and has its own hardcoded paths where it'll search for messages. I found it easier just to completely avoid it rather than try to circumvent its behavior. In any case, this is an issue wholly internal Git::I18N. Its guts can be changed later if that's deemed necessary. See <AANLkTilYD_NyIZMyj9dHtVk-ylVBfvyxpCC7982LWnVd@mail.gmail.com> for a further elaboration on this topic. = Shell Shell code that's to be localized should use the git-sh-i18n library. It's basically just a wrapper for the system's gettext.sh. If gettext.sh isn't available we'll fall back on gettext(1) if it's available. The latter is available without the former on Solaris, which has its own non-GNU gettext implementation. We also need to emulate eval_gettext() there. If neither are present we'll use a dumb printf(1) fall-through wrapper. = About libcharset.h and langinfo.h We use libcharset to query the character set of the current locale if it's available. I.e. we'll use it instead of nl_langinfo if HAVE_LIBCHARSET_H is set. The GNU gettext manual recommends using langinfo.h's nl_langinfo(CODESET) to acquire the current character set, but on systems that have libcharset.h's locale_charset() using the latter is either saner, or the only option on those systems. GNU and Solaris have a nl_langinfo(CODESET), FreeBSD can use either, but MinGW and some others need to use libcharset.h's locale_charset() instead. =Credits This patch is based on work by Jeff Epler <jepler@unpythonic.net> who did the initial Makefile / C work, and a lot of comments from the Git mailing list, including Jonathan Nieder, Jakub Narebski, Johannes Sixt, Erik Faye-Lund, Peter Krefting, Junio C Hamano, Thomas Rast and others. [jc: squashed a small Makefile fix from Ramsay] Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-02-15CodingGuidelines: downcase placeholders in usage messagesLibravatar Junio C Hamano1-1/+1
We accumulated some inconsistencies without an explicit guidance to spell this out over time. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-01-04Fix typos in the documentationLibravatar Ralf Wildenhues1-1/+1
Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-03Merge branch 'sn/diff-doc'Libravatar Junio C Hamano1-0/+52
* sn/diff-doc: docs: clarify git diff modes of operation diff,difftool: Don't use the {0,2} notation in usage strings CodingGuidelines: Add a section on writing documentation
2010-12-03CodingGuidelines: mention whitespace preferences for shell scriptsLibravatar Giuseppe Bilotta1-0/+4
Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-05CodingGuidelines: Add a section on writing documentationLibravatar Štěpán Němec1-0/+52
Provide a few examples on argument and option notation in usage strings and command synopses. Signed-off-by: Štěpán Němec <stepnem@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-10-13CodingGuidelines: reword parameter expansion sectionLibravatar Junio C Hamano1-12/+15
Group entries related to parameter substitutions together and avoid using the word "regexp" to refer to the ${parameter/pattern/string} substitution (banned), as the pattern there is a shell glob and not a regular expression. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-09-27CodingGuidelines: spell Arithmetic Expansion with $(($var))Libravatar Junio C Hamano1-0/+4
POSIX wants shells to support both "N" and "$N" and requires them to yield the same answer to $((N)) and $(($N)), but we should aim for portability in a case like this, especially when the price we pay to do so is so small, i.e. a few extra dollars. Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-02-09lstat_cache(): swap func(length, string) into func(string, length)Libravatar Kjetil Barvik1-0/+3
Swap function argument pair (length, string) into (string, length) to conform with the commonly used order inside the GIT source code. Also, add a note about this fact into the coding guidelines. Signed-off-by: Kjetil Barvik <barvik@broadpark.no> Signed-off-by: Junio C Hamano <gitster@pobox.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 00:36:02 +0000