made the pack completely portable and wrote relevent bat files to go with it

gitportable/mingw64/share/perl5/Git/I18N.pm

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+package Git::I18N;
+require v5.26;
+use strict;
+use warnings $ENV{GIT_PERL_FATAL_WARNINGS} ? qw(FATAL all) : ();
+BEGIN {
+	require Exporter;
+	if ($] < 5.008003) {
+		*import = \&Exporter::import;
+	} else {
+		# Exporter 5.57 which supports this invocation was
+		# released with perl 5.8.3
+		Exporter->import('import');
+	}
+}
+
+our @EXPORT = qw(__ __n N__);
+our @EXPORT_OK = @EXPORT;
+
+# See Git::LoadCPAN's NO_PERL_CPAN_FALLBACKS_STR for a description of
+# this "'@@' [...] '@@'" pattern.
+use constant NO_GETTEXT_STR => '@@' . 'NO_GETTEXT' . '@@';
+use constant NO_GETTEXT => (
+	q[] ne ''
+	and
+	q[] ne NO_GETTEXT_STR
+);
+
+sub __bootstrap_locale_messages {
+	our $TEXTDOMAIN = 'git';
+	our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '';
+	die "NO_GETTEXT=" . NO_GETTEXT_STR if NO_GETTEXT;
+
+	require POSIX;
+	POSIX->import(qw(setlocale));
+	# Non-core prerequisite module
+	require Locale::Messages;
+	Locale::Messages->import(qw(:locale_h :libintl_h));
+
+	setlocale(LC_MESSAGES(), '');
+	setlocale(LC_CTYPE(), '');
+	textdomain($TEXTDOMAIN);
+	bindtextdomain($TEXTDOMAIN => $TEXTDOMAINDIR);
+
+	return;
+}
+
+BEGIN
+{
+	# Used by our test script to see if it should test fallbacks or
+	# not.
+	our $__HAS_LIBRARY = 1;
+
+	local $@;
+	eval {
+		__bootstrap_locale_messages();
+		*__ = \&Locale::Messages::gettext;
+		*__n = \&Locale::Messages::ngettext;
+		1;
+	} or do {
+		# Tell test.pl that we couldn't load the gettext library.
+		$Git::I18N::__HAS_LIBRARY = 0;
+
+		# Just a fall-through no-op
+		*__ = sub ($) { $_[0] };
+		*__n = sub ($$$) { $_[2] == 1 ? $_[0] : $_[1] };
+	};
+
+	sub N__($) { return shift; }
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+Git::I18N - Perl interface to Git's Gettext localizations
+
+=head1 SYNOPSIS
+
+	use Git::I18N;
+
+	print __("Welcome to Git!\n");
+
+	printf __("The following error occurred: %s\n"), $error;
+
+	printf __n("committed %d file\n", "committed %d files\n", $files), $files;
+
+
+=head1 DESCRIPTION
+
+Git's internal Perl interface to gettext via L<Locale::Messages>. If
+L<Locale::Messages> can't be loaded (it's not a core module) we
+provide stub passthrough fallbacks.
+
+This is a distilled interface to gettext, see C<info '(gettext)Perl'>
+for the full interface. This module implements only a small part of
+it.
+
+=head1 FUNCTIONS
+
+=head2 __($)
+
+L<Locale::Messages>'s gettext function if all goes well, otherwise our
+passthrough fallback function.
+
+=head2 __n($$$)
+
+L<Locale::Messages>'s ngettext function or passthrough fallback function.
+
+=head2 N__($)
+
+No-operation that only returns its argument. Use this if you want xgettext to
+extract the text to the pot template but do not want to trigger retrieval of the
+translation at run time.
+
+=head1 AUTHOR
+
+E<AElig>var ArnfjE<ouml>rE<eth> Bjarmason <avarab@gmail.com>
+
+=head1 COPYRIGHT
+
+Copyright 2010 E<AElig>var ArnfjE<ouml>rE<eth> Bjarmason <avarab@gmail.com>
+
+=cut