Default language

src/freedombone

 export TEXTDOMAIN=$PROJECT_NAME
 export TEXTDOMAINDIR="/usr/share/locale"
 
-DEFAULT_LANGUAGE='en_GB'
+DEFAULT_LANGUAGE=$(echo $LANG)
 
 # username created by default within a debian image
 GENERIC_IMAGE_USERNAME='fbone'
   fi
 
   apt-get -y install locales debconf
-  update-locale LANGUAGE=${DEFAULT_LANGUAGE}.UTF-8
-  update-locale LC_MESSAGES=${DEFAULT_LANGUAGE}.UTF-8
-  update-locale LC_ALL=${DEFAULT_LANGUAGE}.UTF-8
-  update-locale LC_CTYPE=${DEFAULT_LANGUAGE}.UTF-8
+
+  if [ ! "$DEFAULT_LANGUAGE" ]; then
+      DEFAULT_LANGUAGE='en_GB.UTF-8'
+  fi
+  if [ ${#DEFAULT_LANGUAGE} -lt 2 ]; then
+      DEFAULT_LANGUAGE='en_GB.UTF-8'
+  fi
+
+  update-locale LANG=${DEFAULT_LANGUAGE}
+  update-locale LANGUAGE=${DEFAULT_LANGUAGE}
+  update-locale LC_MESSAGES=${DEFAULT_LANGUAGE}
+  update-locale LC_ALL=${DEFAULT_LANGUAGE}
+  update-locale LC_CTYPE=${DEFAULT_LANGUAGE}
 
   echo 'locale_setup' >> $COMPLETION_FILE
 }