add plugin safe/rebuild info (part 3 of 3)

[git.ikiwiki.info.git] / po / Makefile

diff --git a/po/Makefile b/po/Makefile
index fa129de81b6bb72735ca87cca8e56d23cec6af7e..013cdf26834e9f8679b82ae9e7252b56cff9f6fc 100644 (file)
--- a/po/Makefile
+++ b/po/Makefile
@@ -5,7 +5,9 @@ POTFILES=$(sort $(shell find ../IkiWiki -type f -name \*.pm)) \
 POFILES=$(wildcard *.po)
 MOFILES=$(POFILES:.po=.mo)
 
-all: ikiwiki.pot $(MOFILES)
+all: ikiwiki.pot mo
+
+mo: $(MOFILES)
 
 install: all
        for file in $(MOFILES); do \
@@ -15,26 +17,28 @@ install: all
        done
 
 ikiwiki.pot: $(POTFILES)
-       @echo "Rebuilding the pot file"
-       xgettext $(POTFILES) -o ikiwiki.pot -Lperl
+       @if perl -e '($$ver)=`xgettext -V | head -n 1`=~/.*\s+([0-9]+\.[0-9]+)/; die "gettext $$ver too old, not updating the pot file\n" if $$ver < 0.16'; then \
+               echo "Rebuilding the pot file"; \
+               xgettext $(POTFILES) -o ikiwiki.pot -Lperl --add-comments=translators; \
+       fi
 
 clean:
-       rm -f ikiwiki.pot $(MOFILES) messages messages.mo
+       rm -f $(MOFILES) messages messages.mo
 
 %.mo: %.po
        msgfmt -o $@ $<
 
-%.po: ikiwiki.pot
+%.po:
        @echo -n "Merging ikiwiki.pot and $@"
-       @msgmerge $@ ikiwiki.pot -o $@.new
-# Typically all that changes was a date. I'd prefer not to commit such
-# changes, so detect and ignore them.
-       @if [ "`diff $@ $@.new | grep '[<>]' | wc -l`" -ne 2 ]; then \
+       @msgmerge $@ ikiwiki.pot -o $@.new 2>&1
+# Typically all that changes was a date or line number. I'd prefer not to
+# commit such changes, so detect and ignore them.
+       @if [ "`diff $@ $@.new | grep '[<>]' | grep -v '[<>] #:' | wc -l`" -ne 2 ]; then \
                mv -f $@.new $@; \
        else \
                rm -f $@.new; \
        fi
-       @msgfmt --statistics $@
+       @msgfmt --statistics $@ 2>&1
 
 check:
        @for file in $(POFILES); do \