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Most of these were found using Lucas De Marchi's codespell tool. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
293 lines
9.9 KiB
Plaintext
293 lines
9.9 KiB
Plaintext
Core GIT Translations
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=====================
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This directory holds the translations for the core of Git. This document
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describes how you can contribute to the effort of enhancing the language
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coverage and maintaining the translation.
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The localization (l10n) coordinator, Jiang Xin <worldhello.net@gmail.com>,
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coordinates our localization effort in the l10 coordinator repository:
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https://github.com/git-l10n/git-po/
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As a contributor for a language XX, you should first check TEAMS file in
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this directory to see whether a dedicated repository for your language XX
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exists. Fork the dedicated repository and start to work if it exists.
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If you are the first contributor for the language XX, please fork this
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repository, prepare and/or update the translated message file po/XX.po
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(described later), and ask the l10n coordinator to pull your work.
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If there are multiple contributors for the same language, please first
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coordinate among yourselves and nominate the team leader for your
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language, so that the l10n coordinator only needs to interact with one
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person per language.
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The overall data-flow looks like this:
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+-------------------+ +------------------+
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| Git source code | ---(1)---> | L10n coordinator |
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| repository | <---(4)--- | repository |
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+-------------------+ +------------------+
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| ^
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(2) (3)
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V |
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+------------------+
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| Language Team XX |
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+------------------+
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* Translatable strings are marked in the source file.
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* L10n coordinator pulls from the source (1)
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* L10n coordinator updates the message template po/git.pot
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* Language team pulls from L10n coordinator (2)
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* Language team updates the message file po/XX.po
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* L10n coordinator pulls from Language team (3)
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* L10n coordinator asks the result to be pulled (4).
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Maintaining the po/git.pot file
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-------------------------------
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(This is done by the l10n coordinator).
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The po/git.pot file contains a message catalog extracted from Git's
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sources. The l10n coordinator maintains it by adding new translations with
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msginit(1), or update existing ones with msgmerge(1). In order to update
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the Git sources to extract the messages from, the l10n coordinator is
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expected to pull from the main git repository at strategic point in
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history (e.g. when a major release and release candidates are tagged),
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and then run "make pot" at the top-level directory.
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Language contributors use this file to prepare translations for their
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language, but they are not expected to modify it.
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Initializing a XX.po file
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-------------------------
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(This is done by the language teams).
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If your language XX does not have translated message file po/XX.po yet,
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you add a translation for the first time by running:
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msginit --locale=XX
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in the po/ directory, where XX is the locale, e.g. "de", "is", "pt_BR",
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"zh_CN", etc.
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Then edit the automatically generated copyright info in your new XX.po
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to be correct, e.g. for Icelandic:
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@@ -1,6 +1,6 @@
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-# Icelandic translations for PACKAGE package.
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-# Copyright (C) 2010 THE PACKAGE'S COPYRIGHT HOLDER
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-# This file is distributed under the same license as the PACKAGE package.
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+# Icelandic translations for Git.
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+# Copyright (C) 2010 Ævar Arnfjörð Bjarmason <avarab@gmail.com>
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+# This file is distributed under the same license as the Git package.
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# Ævar Arnfjörð Bjarmason <avarab@gmail.com>, 2010.
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And change references to PACKAGE VERSION in the PO Header Entry to
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just "Git":
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perl -pi -e 's/(?<="Project-Id-Version: )PACKAGE VERSION/Git/' XX.po
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Once you are done testing the translation (see below), commit the result
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and ask the l10n coordinator to pull from you.
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Updating a XX.po file
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---------------------
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(This is done by the language teams).
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If you are replacing translation strings in an existing XX.po file to
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improve the translation, just edit the file.
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If there's an existing XX.po file for your language, but the repository
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of the l10n coordinator has newer po/git.pot file, you would need to first
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pull from the l10n coordinator (see the beginning of this document for its
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URL), and then update the existing translation by running:
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msgmerge --add-location --backup=off -U XX.po git.pot
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in the po/ directory, where XX.po is the file you want to update.
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Once you are done testing the translation (see below), commit the result
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and ask the l10n coordinator to pull from you.
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Testing your changes
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--------------------
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(This is done by the language teams, after creating or updating XX.po file).
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Before you submit your changes go back to the top-level and do:
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make
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On systems with GNU gettext (i.e. not Solaris) this will compile your
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changed PO file with `msgfmt --check`, the --check option flags many
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common errors, e.g. missing printf format strings, or translated
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messages that deviate from the originals in whether they begin/end
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with a newline or not.
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Marking strings for translation
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-------------------------------
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(This is done by the core developers).
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Before strings can be translated they first have to be marked for
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translation.
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Git uses an internationalization interface that wraps the system's
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gettext library, so most of the advice in your gettext documentation
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(on GNU systems `info gettext` in a terminal) applies.
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General advice:
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- Don't mark everything for translation, only strings which will be
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read by humans (the porcelain interface) should be translated.
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The output from Git's plumbing utilities will primarily be read by
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programs and would break scripts under non-C locales if it was
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translated. Plumbing strings should not be translated, since
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they're part of Git's API.
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- Adjust the strings so that they're easy to translate. Most of the
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advice in `info '(gettext)Preparing Strings'` applies here.
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- If something is unclear or ambiguous you can use a "TRANSLATORS"
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comment to tell the translators what to make of it. These will be
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extracted by xgettext(1) and put in the po/*.po files, e.g. from
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git-am.sh:
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# TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
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# in your translation. The program will only accept English
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# input at this point.
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gettext "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
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Or in C, from builtin/revert.c:
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/* TRANSLATORS: %s will be "revert" or "cherry-pick" */
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die(_("%s: Unable to write new index file"), action_name(opts));
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We provide wrappers for C, Shell and Perl programs. Here's how they're
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used:
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C:
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- Include builtin.h at the top, it'll pull in gettext.h, which
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defines the gettext interface. Consult with the list if you need to
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use gettext.h directly.
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- The C interface is a subset of the normal GNU gettext
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interface. We currently export these functions:
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- _()
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Mark and translate a string. E.g.:
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printf(_("HEAD is now at %s"), hex);
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- Q_()
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Mark and translate a plural string. E.g.:
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printf(Q_("%d commit", "%d commits", number_of_commits));
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This is just a wrapper for the ngettext() function.
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- N_()
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A no-op pass-through macro for marking strings inside static
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initializations, e.g.:
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static const char *reset_type_names[] = {
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N_("mixed"), N_("soft"), N_("hard"), N_("merge"), N_("keep"), NULL
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};
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And then, later:
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die(_("%s reset is not allowed in a bare repository"),
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_(reset_type_names[reset_type]));
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Here _() couldn't have statically determined what the translation
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string will be, but since it was already marked for translation
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with N_() the look-up in the message catalog will succeed.
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Shell:
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- The Git gettext shell interface is just a wrapper for
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gettext.sh. Import it right after git-sh-setup like this:
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. git-sh-setup
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. git-sh-i18n
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And then use the gettext or eval_gettext functions:
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# For constant interface messages:
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gettext "A message for the user"; echo
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# To interpolate variables:
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details="oh noes"
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eval_gettext "An error occurred: \$details"; echo
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In addition we have wrappers for messages that end with a trailing
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newline. I.e. you could write the above as:
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# For constant interface messages:
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gettextln "A message for the user"
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# To interpolate variables:
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details="oh noes"
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eval_gettextln "An error occurred: \$details"
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More documentation about the interface is available in the GNU info
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page: `info '(gettext)sh'`. Looking at git-am.sh (the first shell
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command to be translated) for examples is also useful:
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git log --reverse -p --grep=i18n git-am.sh
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Perl:
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- The Git::I18N module provides a limited subset of the
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Locale::Messages functionality, e.g.:
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use Git::I18N;
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print __("Welcome to Git!\n");
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printf __("The following error occurred: %s\n"), $error;
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Run `perldoc perl/Git/I18N.pm` for more info.
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Testing marked strings
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----------------------
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Even if you've correctly marked porcelain strings for translation
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something in the test suite might still depend on the US English
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version of the strings, e.g. to grep some error message or other
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output.
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To smoke out issues like these Git can be compiled with gettext poison
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support, at the top-level:
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make GETTEXT_POISON=YesPlease
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That'll give you a git which emits gibberish on every call to
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gettext. It's obviously not meant to be installed, but you should run
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the test suite with it:
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cd t && prove -j 9 ./t[0-9]*.sh
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If tests break with it you should inspect them manually and see if
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what you're translating is sane, i.e. that you're not translating
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plumbing output.
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If not you should replace calls to grep with test_i18ngrep, or
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test_cmp calls with test_i18ncmp. If that's not enough you can skip
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the whole test by making it depend on the C_LOCALE_OUTPUT
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prerequisite. See existing test files with this prerequisite for
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examples.
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