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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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3
Makefile
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@ -1986,6 +1986,7 @@ ETC_GITCONFIG_SQ = $(subst ','\'',$(ETC_GITCONFIG))
ETC_GITATTRIBUTES_SQ = $(subst ','\'',$(ETC_GITATTRIBUTES))
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
NO_GETTEXT_SQ = $(subst ','\'',$(NO_GETTEXT))
bindir_SQ = $(subst ','\'',$(bindir))
bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
mandir_SQ = $(subst ','\'',$(mandir))
@ -2276,6 +2277,7 @@ PERL_DEFINES += $(PERLLIB_EXTRA_SQ)
PERL_DEFINES += $(perllibdir_SQ)
PERL_DEFINES += $(RUNTIME_PREFIX)
PERL_DEFINES += $(NO_PERL_CPAN_FALLBACKS)
PERL_DEFINES += $(NO_GETTEXT)
# Support Perl runtime prefix. In this mode, a different header is installed
# into Perl scripts.
@ -2680,6 +2682,7 @@ endif
perl/build/lib/%.pm: perl/%.pm GIT-PERL-DEFINES
$(QUIET_GEN)mkdir -p $(dir $@) && \
sed -e 's|@@LOCALEDIR@@|$(perl_localedir_SQ)|g' \
-e 's|@@NO_GETTEXT@@|$(NO_GETTEXT_SQ)|g' \
-e 's|@@NO_PERL_CPAN_FALLBACKS@@|$(NO_PERL_CPAN_FALLBACKS_SQ)|g' \
< $< > $@

10
perl/Git/I18N.pm
View File

@ -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));