--- trunk/installer-simple/generate-po.sh	2014/01/06 12:24:58	2356
+++ trunk/installer-simple/generate-po.sh	2014/01/06 12:26:01	2357
@@ -12,6 +12,7 @@
 	echo "Known methods:"
 	echo "   --create-pot - creates pot file from script"
 	echo "   --append-pot - appends current pot file with script"
+	echo "   --unique-pot - remove duplicates from pot file"
 	echo "   --generate   - generates pot and po files"
 	echo "   --compile    - compiles mo files"
 	echo
@@ -39,6 +40,30 @@
 	bash --dump-po-strings "${script}" >> "${pot}"
 }
 
+unique_pot()
+{
+	local pot
+
+	install -d locale
+	pot="locale/${domain}.pot"
+	if [ ! -f "${pot}" ]
+	then
+		echo "Error: ${pot} missing - run --create-pot or --append-pot"
+		exit 1
+	fi
+
+	# remove duplicate messages
+	msguniq --unique --no-wrap --sort-by-file --output-file="${pot}.fixed" "${pot}"
+	if [[ $? = 0 ]]
+	then
+		rm "${pot}"
+		mv "${pot}.fixed" "${pot}"
+	else
+		echo "Error: msguniq failed"
+		exit 1
+	fi
+}
+
 generate_po()
 {
 	local lang
@@ -103,6 +128,7 @@
 case ${method} in
 	--create-pot) create_pot ;;
 	--append-pot) append_pot ;;
+	--unique-pot) unique_pot ;;
 	--generate) generate_po ;;
 	--compile) generate_mo ;;
 	*) usage ;;