detect if firefox is installed in the container and download the langpacks for it

Author: ryan.kuba

root/etc/s6-overlay/s6-rc.d/init-mod-universal-internationalization-install/run

@@ -736,6 +736,21 @@ elif [[ "${LSIO_BASE}" == "arch" ]] && [[ ! -f /usr/share/fonts/noto-cjk/NotoSan
     echo "Generating Locale for ${LOCALE}"
     localedef -i ${LOCALE} -f UTF-8 ${LOCALE}.UTF-8
   done
+  # Add Firefox Langpacks
+  if which firefox; then
+    FIREFOX_VERSION=$(curl -sI https://download.mozilla.org/?product=firefox-latest | awk -F '(releases/|/win32)' '/Location/ {print $2}')
+    RELEASE_URL="https://releases.mozilla.org/pub/firefox/releases/${FIREFOX_VERSION}/win64/xpi/"
+    LANGS=$(curl -Ls ${RELEASE_URL} | awk -F '(xpi">|</a>)' '/href.*xpi/ {print $2}' | tr '\n' ' ')
+    EXTENSION_DIR=/usr/lib/firefox-addons/distribution/extensions/
+    mkdir -p ${EXTENSION_DIR}
+    for LANG in ${LANGS}; do
+      LANGCODE=$(echo ${LANG} | sed 's/\.xpi//g')
+      echo "Downloading ${LANG} Firefox Language pack"
+      curl -o \
+        ${EXTENSION_DIR}langpack-${LANGCODE}@firefox.mozilla.org.xpi -Ls \
+        ${RELEASE_URL}${LANG}
+    done
+  fi
 else
   echo "**** International Fonts/Locales installed skipping ****"
 fi