prepare for translations

scripts/update-po.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+FUR_VERSION="0.6.3"
+
+EXPORT_LANGS=("es" "ru" "pl" "pt_BR")
+
+echo '#
+msgid ""
+msgstr ""' > po/furnace.pot
+echo '"Project-Id-Version: furnace '"$FUR_VERSION"'\n"' >> po/furnace.pot
+echo '"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+' >> po/furnace.pot
+
+find src/ -type f -regex ".*\(cpp\|h\)$" | xargs xgettext --omit-header -k_ -L C++ -o - >> po/furnace.pot
+
+cd po
+for i in ${EXPORT_LANGS[@]}; do
+  if [ -e "$i".po ]; then
+    echo "merging $i"".po..."
+    msgmerge --backup=none -U "$i".po furnace.pot
+  else
+    echo "creating $i"".po..."
+    msginit -i furnace.pot -l "$i".UTF-8 --no-translator
+  fi
+done