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perl: use mock i18n functions under NO_GETTEXT=Y

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Change the logic of the i18n functions I added in 5e9637c629 (i18n:
add infrastructure for translating Git with gettext, 2011-11-18) to
use pass-through functions when NO_GETTEXT is defined.

This speeds up the compilation time of commands that use this library
when NO_GETTEXT=Y is in effect. Loading it and POSIX.pm is around 20ms
on my machine, whereas it takes 2ms to just instantiate perl itself.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
2021-05-05 14:21:41 +02:00
committed by Junio C Hamano
parent 368a50d9ee
commit 256c2dc42c
2 changed files with 13 additions and 0 deletions
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10
perl/Git/I18N.pm
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@ -16,9 +16,19 @@ BEGIN {
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[@@NO_GETTEXT@@] ne ''
and
q[@@NO_GETTEXT@@] ne NO_GETTEXT_STR
);
sub __bootstrap_locale_messages {
our $TEXTDOMAIN = 'git';
our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '@@LOCALEDIR@@';
die "NO_GETTEXT=" . NO_GETTEXT_STR if NO_GETTEXT;
require POSIX;
POSIX->import(qw(setlocale));