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07d90eadb5
Broaden the RUNTIME_PREFIX flag to configure Git's Perl scripts to locate the Git installation's Perl support libraries by resolving against the script's path, rather than hard-coding that path at build-time. Hard-coding at build time worked on previous RUNTIME_PREFIX configurations (i.e., Windows) because the Perl scripts were run within a virtual filesystem whose paths were consistent regardless of the location of the actual installation. This will no longer be the case for non-Windows RUNTIME_PREFIX users. When enabled, RUNTIME_PREFIX now requires Perl's system paths to be expressed relative to a common installation directory in the Makefile, and uses that relationship to locate support files based on the known starting point of the script being executed, much like RUNTIME_PREFIX does for the Git binary. This change enables Git's Perl scripts to work when their Git installation is relocated or moved to another system, even when they are not in a virtual filesystem environment. Signed-off-by: Dan Jacques <dnj@google.com> Thanks-to: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Thanks-to: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
116 lines
2.4 KiB
Perl
116 lines
2.4 KiB
Perl
package Git::I18N;
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use 5.008;
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use strict;
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use warnings;
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BEGIN {
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require Exporter;
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if ($] < 5.008003) {
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*import = \&Exporter::import;
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} else {
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# Exporter 5.57 which supports this invocation was
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# released with perl 5.8.3
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Exporter->import('import');
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}
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}
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our @EXPORT = qw(__ __n N__);
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our @EXPORT_OK = @EXPORT;
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sub __bootstrap_locale_messages {
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our $TEXTDOMAIN = 'git';
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our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '@@LOCALEDIR@@';
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require POSIX;
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POSIX->import(qw(setlocale));
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# Non-core prerequisite module
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require Locale::Messages;
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Locale::Messages->import(qw(:locale_h :libintl_h));
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setlocale(LC_MESSAGES(), '');
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setlocale(LC_CTYPE(), '');
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textdomain($TEXTDOMAIN);
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bindtextdomain($TEXTDOMAIN => $TEXTDOMAINDIR);
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return;
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}
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BEGIN
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{
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# Used by our test script to see if it should test fallbacks or
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# not.
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our $__HAS_LIBRARY = 1;
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local $@;
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eval {
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__bootstrap_locale_messages();
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*__ = \&Locale::Messages::gettext;
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*__n = \&Locale::Messages::ngettext;
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1;
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} or do {
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# Tell test.pl that we couldn't load the gettext library.
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$Git::I18N::__HAS_LIBRARY = 0;
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# Just a fall-through no-op
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*__ = sub ($) { $_[0] };
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*__n = sub ($$$) { $_[2] == 1 ? $_[0] : $_[1] };
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};
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sub N__($) { return shift; }
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}
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1;
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__END__
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=head1 NAME
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Git::I18N - Perl interface to Git's Gettext localizations
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=head1 SYNOPSIS
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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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printf __n("committed %d file\n", "committed %d files\n", $files), $files;
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=head1 DESCRIPTION
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Git's internal Perl interface to gettext via L<Locale::Messages>. If
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L<Locale::Messages> can't be loaded (it's not a core module) we
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provide stub passthrough fallbacks.
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This is a distilled interface to gettext, see C<info '(gettext)Perl'>
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for the full interface. This module implements only a small part of
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it.
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=head1 FUNCTIONS
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=head2 __($)
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L<Locale::Messages>'s gettext function if all goes well, otherwise our
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passthrough fallback function.
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=head2 __n($$$)
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L<Locale::Messages>'s ngettext function or passthrough fallback function.
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=head2 N__($)
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No-operation that only returns its argument. Use this if you want xgettext to
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extract the text to the pot template but do not want to trigger retrival of the
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translation at run time.
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=head1 AUTHOR
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E<AElig>var ArnfjE<ouml>rE<eth> Bjarmason <avarab@gmail.com>
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=head1 COPYRIGHT
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Copyright 2010 E<AElig>var ArnfjE<ouml>rE<eth> Bjarmason <avarab@gmail.com>
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=cut
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