addresses #17

* Makefile creates/updates po/davadmin.pot, .po, and .mo files
 * admin/i18n.inc.php sets the locale and puts it in the session
 * admin/common.inc.php and admin/getgroups.php use admin/i18n.inc.php
 * po/pot.sed replaces generated header of po/davadmin.pot

Makefile

@@ -23,21 +23,71 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 # 02110-1301 USA.
+VERSION := 0.2
+PROJECT := davadmin
+SRCFILES := $(wildcard admin/*.php)
+APISRC := $(SRCFILES:,= )
+TEMPDIR := $(shell mktemp -t -d davadmin.XXXXXXXXXX)
+XSRCFILES := $(patsubst %,$(TEMPDIR)/%,$(SRCFILES))
+TRANSLANG := de
+POSRC := po
+POFILES := $(foreach lang,$(TRANSLANG),$(POSRC)/$(lang).po)
+MOFILES := $(patsubst %.po,%.mo,$(POFILES))
+POT=$(POSRC)/$(PROJECT).pot
+
+.PHONY: all
+all: $(POT) $(MOFILES) $(TEMPDIR)/delete
+
+$(MOFILES): %.mo: %.po
+	@echo "msgfmt: $@"
+	msgfmt -o$@ $<
+
+$(POFILES): %: $(POT)
+	@echo "msgmerge: $@"
+	msgmerge -U $@ $(POT)
+	touch $@
+
+$(POT): $(XSRCFILES) po/pot.sed
+	@echo "xgettext: $@"
+	cd $(TEMPDIR) && \
+	xgettext --default-domain=$(PROJECT) --language=php \
+	  --from-code=UTF-8 \
+	  --msgid-bugs-address="jan@dittberner.info" -o- $(SRCFILES) \
+	| sed -f $(CURDIR)/po/pot.sed \
+	> $(CURDIR)/$@
+	for pofile in $(POFILES); do \
+	  if test ! -f $(CURDIR)/$${pofile}; then \
+	    cp $(CURDIR)/$@ $(CURDIR)/$${pofile}; \
+	  fi; \
+	done
+
+.INTERMEDIATE: $(XSRCFILES)
+$(XSRCFILES): $(TEMPDIR)/%: %
+	@echo "processing: $<"
+	mkdir -p $(@D)
+	cp $< $@
+
+$(TEMPDIR)/delete:
+	rm -rf $(TEMPDIR)
+
 .PHONY: apidoc
-
-VERSION=0.2
-PROJECT=webdavadmin
-SRCFILES=admin/common.inc.php,admin/directories.php,admin/getgroups.php,admin/index.php,admin/users.php
-
 apidoc:
 	if [ -d apidoc ]; then rm -r apidoc; fi
-	phpdoc -f $(SRCFILES) -t apidoc --undocumentedelements on -s
+	phpdoc -f $(APISRC) -t apidoc --undocumentedelements on -s
 
-clean:
+.PHONY: clean distclean
+clean: $(TEMPDIR)/delete
 	find -name '*~' -type f -exec rm {} \;
 
 distclean: clean
 	if [ -d apidoc ]; then rm -r apidoc; fi
 
+RELPREFIX := $(PROJECT)-$(VERSION)
 dist: distclean
-	cd .. ; tar czf $(PROJECT)-$(VERSION).tar.gz $(PROJECT)-$(VERSION)
+	cd .. ; if test ! -d $(RELPREFIX); then \
+	  ln -s trunk $(RELPREFIX)-dev; \
+		tar czh --exclude=.svn -f $(RELPREFIX)-dev.tar.gz $(RELPREFIX)-dev; \
+		rm -f $(RELPREFIX)-dev; \
+	else \
+	  tar czhf $(PROJECT)-$(VERSION).tar.gz $(PROJECT)-$(VERSION); \
+	fi