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[144.34.163.219]) by smtp.gmail.com with ESMTPSA id y13-20020a1709027c8d00b0015e8d4eb2cfsm5280287pll.281.2022.05.23.08.21.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 May 2022 08:21:40 -0700 (PDT) From: Jiang Xin To: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= , Junio C Hamano , Git List Cc: Alexander Shopov , Jordi Mas , =?UTF-8?q?Matthias=20R=C3=BCster?= , Jimmy Angelakos , =?UTF-8?q?Christopher=20D=C3=ADaz?= , =?UTF-8?q?Jean-No=C3=ABl=20Avila?= , Bagas Sanjaya , Alessandro Menti , Gwan-gyeong Mun , Arusekk , Daniel Santos , Dimitriy Ryazantcev , Peter Krefting , Emir SARI , =?UTF-8?q?Tr=E1=BA=A7n=20Ng=E1=BB=8Dc=20Qu=C3=A2n?= , Fangyi Zhou , Yi-Jyun Pan , Jiang Xin , Jiang Xin Subject: [PATCH v4 3/9] Makefile: have "make pot" not "reset --hard" Date: Mon, 23 May 2022 23:21:22 +0800 Message-Id: <20220523152128.26380-4-worldhello.net@gmail.com> X-Mailer: git-send-email 2.32.0.rc3 In-Reply-To: <20220523012531.4505-1-worldhello.net@gmail.com> References: <20220523012531.4505-1-worldhello.net@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Ævar Arnfjörð Bjarmason Before commit fc0fd5b23b (Makefile: help gettext tools to cope with our custom PRItime format, 2017-07-20), we'd consider source files as-is with gettext, but because we need to understand PRItime in the same way that gettext itself understands PRIuMAX, we'd first check if we had a clean checkout, then munge all of the processed files in-place with "sed", generate "po/git.pot", and then finally "reset --hard" to undo our changes. By generating "pot" snippets in ".build/pot/po" for each source file and rewriting certain source files with PRItime macros to temporary files in ".build/pot/po", we can avoid running "make pot" by altering files in place and doing a "reset --hard" afterwards. This speed of "make pot" is slower than before on an initial run, because we run "xgettext" many times (once per source file), but it can be boosted by parallelization. It is *much* faster for incremental runs, and will allow us to implement related targets in subsequent commits. When the "pot" target was originally added in cd5513a7168 (i18n: Makefile: "pot" target to extract messages marked for translation, 2011-02-22) it behaved like a "normal" target. I.e. we'd skip the re-generation of the po/git.pot if nothing had to be done. Then after po/git.pot was checked in in dce37b66fb0 (l10n: initial git.pot for 1.7.10 upcoming release, 2012-02-13) the target was broken until 1f31963e921 (i18n: treat "make pot" as an explicitly-invoked target, 2014-08-22) when it was made to depend on "FORCE". I.e. the Makefile's dependency resolution inherently can't handle incremental building when the target file may be updated by git (or something else external to "make"). But this case no longer applies, so FORCE is no longer needed. That out of the way, the main logic change here is getting rid of the "reset --hard": We'll generate intermediate ".build/pot/po/%.po" files from "%", which is handy to see at a glance what strings (if any) in a given file are marked for translation: $ make .build/pot/po/pretty.c.po [...] $ cat .build/pot/po/pretty.c.po #: pretty.c:1051 msgid "unable to parse --pretty format" msgstr "" $ For these C source files which contain the PRItime macros, we will create temporary munged "*.c" files in a tree in ".build/pot/po" corresponding to our source tree, and have "xgettext" consider those. The rule needs to be careful to "(cd .build/pot/po && ...)", because otherwise the comments in the po/git.pot file wouldn't refer to the correct source locations (they'd be prefixed with ".build/pot/po"). These temporary munged "*.c” files will be removed immediately after the corresponding po files are generated, because some development tools cannot ignore the duplicate source files in the ".build" directory according to the ".gitignore" file, and that may cause trouble. The output of the generated po/git.pot file is changed in one minor way: Because we're using msgcat(1) instead of xgettext(1) to concatenate the output we'll now disambiguate where "TRANSLATORS" comments come from, in cases where a message is the same in N files, and either only one has a "TRANSLATORS" comment, or they're different. E.g. for the "Your edited hunk[...]" message we'll now apply this change (comment content elided): +#. #-#-#-#-# add-patch.c.po #-#-#-#-# #. TRANSLATORS: do not translate [y/n] [...] +#. #-#-#-#-# git-add--interactive.perl.po #-#-#-#-# #. TRANSLATORS: do not translate [y/n] [...] #: add-patch.c:1253 git-add--interactive.perl:1244 msgid "" "Your edited hunk does not apply. Edit again (saying \"no\" discards!) [y/n]? " msgstr "" There are six such changes, and they all make the context more understandable, as msgcat(1) is better at handling these edge cases than xgettext(1)'s previously used "--join-existing" flag. But filenames in the above disambiguation lines of extracted-comments have an extra ".po" extension compared to the filenames at the file locations. While we could rename the intermediate ".build/pot/po/%.po" files without the ".po" extension to use more intuitive filenames in the disambiguation lines of extracted-comments, but that will confuse developer tools with lots of invalid C or other source files in ".build/pot/po" directory. The addition of "--omit-header" option for xgettext makes the "pot" snippets in ".build/pot/po/*.po" smaller. But as we'll see in a subsequent commit this header behavior has been hiding an encoding-related bug from us, so let's carry it forward instead of re-generating it with xgettext(1). The "po/git.pot" file should have a header entry, because a proper header entry will increase the speed of creating a new po file using msginit and set a proper "POT-Creation-Date:" field in the header entry of a "po/XX.po" file. We use xgettext to generate a separate header file at ".build/pot/git.header" from "/dev/null", and use this header to assemble "po/git.pot". Signed-off-by: Ævar Arnfjörð Bjarmason Signed-off-by: Jiang Xin --- .gitignore | 1 + Makefile | 80 ++++++++++++++++++++++++++++++++++++++++-------------- 2 files changed, 60 insertions(+), 21 deletions(-) diff --git a/.gitignore b/.gitignore index e81de1063a..a452215764 100644 --- a/.gitignore +++ b/.gitignore @@ -200,6 +200,7 @@ *.[aos] *.o.json *.py[co] +.build/ .depend/ *.gcda *.gcno diff --git a/Makefile b/Makefile index 46914dcd80..1962999c18 100644 --- a/Makefile +++ b/Makefile @@ -569,6 +569,7 @@ INSTALL = install TCL_PATH = tclsh TCLTK_PATH = wish XGETTEXT = xgettext +MSGCAT = msgcat MSGFMT = msgfmt CURL_CONFIG = curl-config GCOV = gcov @@ -2706,6 +2707,7 @@ XGETTEXT_FLAGS = \ --force-po \ --add-comments=TRANSLATORS: \ --msgid-bugs-address="Git Mailing List " \ + --package-name=Git \ --sort-by-file \ --from-code=UTF-8 XGETTEXT_FLAGS_C = $(XGETTEXT_FLAGS) --language=C \ @@ -2714,6 +2716,7 @@ XGETTEXT_FLAGS_SH = $(XGETTEXT_FLAGS) --language=Shell \ --keyword=gettextln --keyword=eval_gettextln XGETTEXT_FLAGS_PERL = $(XGETTEXT_FLAGS) --language=Perl \ --keyword=__ --keyword=N__ --keyword="__n:1,2" +MSGCAT_FLAGS = --sort-by-file LOCALIZED_C = $(FOUND_C_SOURCES) $(FOUND_H_SOURCES) $(SCALAR_SOURCES) \ $(GENERATED_H) LOCALIZED_SH = $(SCRIPT_SH) @@ -2726,34 +2729,68 @@ LOCALIZED_SH += t/t0200/test.sh LOCALIZED_PERL += t/t0200/test.perl endif -## Note that this is meant to be run only by the localization coordinator -## under a very controlled condition, i.e. (1) it is to be run in a -## Git repository (not a tarball extract), (2) any local modifications -## will be lost. +## We generate intermediate .build/pot/po/%.po files containing a +## extract of the translations we find in each file in the source +## tree. We will assemble them using msgcat to create the final +## "po/git.pot" file. +LOCALIZED_ALL_GEN_PO = + +LOCALIZED_C_GEN_PO = $(LOCALIZED_C:%=.build/pot/po/%.po) +LOCALIZED_ALL_GEN_PO += $(LOCALIZED_C_GEN_PO) + +LOCALIZED_SH_GEN_PO = $(LOCALIZED_SH:%=.build/pot/po/%.po) +LOCALIZED_ALL_GEN_PO += $(LOCALIZED_SH_GEN_PO) + +LOCALIZED_PERL_GEN_PO = $(LOCALIZED_PERL:%=.build/pot/po/%.po) +LOCALIZED_ALL_GEN_PO += $(LOCALIZED_PERL_GEN_PO) + ## Gettext tools cannot work with our own custom PRItime type, so ## we replace PRItime with PRIuMAX. We need to update this to ## PRIdMAX if we switch to a signed type later. +$(LOCALIZED_C_GEN_PO): .build/pot/po/%.po: % + $(call mkdir_p_parent_template) + $(QUIET_XGETTEXT) \ + if grep -q PRItime $<; then \ + (\ + sed -e 's|PRItime|PRIuMAX|g' <$< \ + >.build/pot/po/$< && \ + cd .build/pot/po && \ + $(XGETTEXT) --omit-header \ + -o $(@:.build/pot/po/%=%) \ + $(XGETTEXT_FLAGS_C) $< && \ + rm $<; \ + ); \ + else \ + $(XGETTEXT) --omit-header \ + -o $@ $(XGETTEXT_FLAGS_C) $<; \ + fi -po/git.pot: $(GENERATED_H) FORCE - # All modifications will be reverted at the end, so we do not - # want to have any local change. - git diff --quiet HEAD && git diff --quiet --cached +$(LOCALIZED_SH_GEN_PO): .build/pot/po/%.po: % + $(call mkdir_p_parent_template) + $(QUIET_XGETTEXT)$(XGETTEXT) --omit-header \ + -o$@ $(XGETTEXT_FLAGS_SH) $< - @for s in $(LOCALIZED_C) $(LOCALIZED_SH) $(LOCALIZED_PERL); \ - do \ - sed -e 's|PRItime|PRIuMAX|g' <"$$s" >"$$s+" && \ - cat "$$s+" >"$$s" && rm "$$s+"; \ - done +$(LOCALIZED_PERL_GEN_PO): .build/pot/po/%.po: % + $(call mkdir_p_parent_template) + $(QUIET_XGETTEXT)$(XGETTEXT) --omit-header \ + -o$@ $(XGETTEXT_FLAGS_PERL) $< + +define gen_pot_header +$(XGETTEXT) $(XGETTEXT_FLAGS_C) \ + -o - /dev/null | \ +sed -e 's|charset=CHARSET|charset=UTF-8|' \ + -e 's|\(Last-Translator: \)FULL NAME <.*>|\1make by the Makefile|' \ + -e 's|\(Language-Team: \)LANGUAGE <.*>|\1Git Mailing List |' \ + >$@ && \ +echo '"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\\n"' >>$@ +endef - $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ $(XGETTEXT_FLAGS_C) $(LOCALIZED_C) - $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_SH) \ - $(LOCALIZED_SH) - $(QUIET_XGETTEXT)$(XGETTEXT) -o$@+ --join-existing $(XGETTEXT_FLAGS_PERL) \ - $(LOCALIZED_PERL) +.build/pot/git.header: $(LOCALIZED_ALL_GEN_PO) + $(call mkdir_p_parent_template) + $(QUIET_GEN)$(gen_pot_header) - # Reverting the munged source, leaving only the updated $@ - git reset --hard - mv $@+ $@ +po/git.pot: .build/pot/git.header $(LOCALIZED_ALL_GEN_PO) FORCE + $(QUIET_GEN)$(MSGCAT) $(MSGCAT_FLAGS) $(filter-out FORCE,$^) >$@ .PHONY: pot pot: po/git.pot @@ -3292,6 +3329,7 @@ cocciclean: $(RM) contrib/coccinelle/*.cocci.patch* clean: profile-clean coverage-clean cocciclean + $(RM) -r .build $(RM) *.res $(RM) $(OBJECTS) $(RM) $(LIB_FILE) $(XDIFF_LIB) $(REFTABLE_LIB) $(REFTABLE_TEST_LIB) -- 2.36.0.1.g15c4090757