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[PATCH 1/1] Add optional targets for documentation l10n




From: Jean-Noel Avila <jn.avila@xxxxxxx>

The standard doc lists can be filtered to allow using the compilation
rules with translated manpages where all the pages of the original
version may not be present.

The install variable are reused in the secondary repo so that the
configured paths can be used for translated manpages too.

Signed-off-by: Jean-Noël Avila <jn.avila@xxxxxxx>
---
 Documentation/Makefile | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/Documentation/Makefile b/Documentation/Makefile
index b5be2e2d3f..1f61a1fe86 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -35,13 +35,18 @@ MAN7_TXT += gittutorial-2.txt
 MAN7_TXT += gittutorial.txt
 MAN7_TXT += gitworkflows.txt
 
-MAN_TXT = $(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT)
+TMP_MAN_TXT = $(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT)
+MAN_FILTER ?= $(TMP_MAN_TXT)
+MAN_TXT = $(filter $(TMP_MAN_TXT), $(MAN_FILTER))
+undefine TMP_MAN_TXT
+
 MAN_XML = $(patsubst %.txt,%.xml,$(MAN_TXT))
 MAN_HTML = $(patsubst %.txt,%.html,$(MAN_TXT))
 
 OBSOLETE_HTML += everyday.html
 OBSOLETE_HTML += git-remote-helpers.html
-DOC_HTML = $(MAN_HTML) $(OBSOLETE_HTML)
+
+TMP_DOC_HTML = $(MAN_HTML) $(OBSOLETE_HTML)
 
 ARTICLES += howto-index
 ARTICLES += git-tools
@@ -81,11 +86,14 @@ TECH_DOCS += technical/trivial-merge
 SP_ARTICLES += $(TECH_DOCS)
 SP_ARTICLES += technical/api-index
 
-DOC_HTML += $(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES))
+TMP_DOC_HTML += $(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES))
+HTML_FILTER ?= $(TMP_DOC_HTML)
+DOC_HTML = $(filter $(HTML_FILTER),$(TMP_DOC_HTML))
+undefine TMP_DOC_HTML
 
-DOC_MAN1 = $(patsubst %.txt,%.1,$(MAN1_TXT))
-DOC_MAN5 = $(patsubst %.txt,%.5,$(MAN5_TXT))
-DOC_MAN7 = $(patsubst %.txt,%.7,$(MAN7_TXT))
+DOC_MAN1 = $(patsubst %.txt,%.1,$(filter $(MAN_FILTER), $(MAN1_TXT)))
+DOC_MAN5 = $(patsubst %.txt,%.5,$(filter $(MAN_FILTER), $(MAN5_TXT)))
+DOC_MAN7 = $(patsubst %.txt,%.7,$(filter $(MAN_FILTER), $(MAN7_TXT)))
 
 prefix ?= $(HOME)
 bindir ?= $(prefix)/bin
@@ -444,4 +452,9 @@ print-man1:
 lint-docs::
 	$(QUIET_LINT)$(PERL_PATH) lint-gitlink.perl
 
+ifeq ($(wildcard po/Makefile),po/Makefile)
+doc-l10n install-l10n::
+	$(MAKE) -C po $@
+endif
+
 .PHONY: FORCE
-- 
2.20.1