Sync locale Makefile from plugin template

Author: ekohl

.tx/config

@@ -6,5 +6,5 @@ file_filter = locale/<lang>/foreman_virt_who_configure.edit.po
 source_file = locale/foreman_virt_who_configure.pot
 source_lang = en
 type        = PO
-minimum_perc  = 50
+minimum_perc  = 0
 resource_name = foreman_virt_who_configure

locale/Makefile

@@ -31,9 +31,16 @@ all-mo: $(MOFILES)
 	cat $@
 	! grep -q msgid $@
 
-%.edit.po:
+%.edit.po: %.po.time_stamp
 	touch $@
 
+# gettext will trash the .edit.po file if the time stamp doesn't exist or is older than the po file
+%.po.time_stamp: %.po
+	touch --reference $< $@
+
+# Prevent make from treating this as an intermediate file to be cleaned up
+.PRECIOUS: %.po.time_stamp
+
 check: $(POXFILES)
 
 # Unify duplicate translations
@@ -43,7 +50,10 @@ uniq-po:
 	done
 
 tx-pull: $(EDITFILES)
-	cd .. && tx pull -f --all
+	# Initialize new languages
+	cd .. && tx pull -f --all --minimum-perc 50
+	# Force update all existing languages
+	cd .. && tx pull -f --minimum-perc 0
 	for f in $(EDITFILES) ; do \
 		sed -i 's/^\("Project-Id-Version: \).*$$/\1$(DOMAIN) $(VERSION)\\n"/' $$f; \
 	done