more help info in script

quassel_docker.sh

@@ -32,7 +32,7 @@ killall="docker kill $quassel_container $postgres_container"
 rmall="docker rm -v $quassel_container $postgres_container"
 
 # info
-info="remember to prep the postgres environment if needed:
+info="remember to prep both environments if needed (e.g. after clean build):
   - docker run --entrypoint /bin/sh -u root -t -i -v $postgresdata:/var/lib/postgresql/ --rm $postgres_image -c /root/prep.sh
   - docker run --entrypoint /bin/sh -u root -t -i -v $quasselconf:/var/lib/quassel/quasselcore.conf --name $quassel_container --rm $quassel_image -c 'chown quasselcore:quassel /var/lib/quassel/quasselcore.conf'
   
@@ -40,9 +40,25 @@ info="remember to prep the postgres environment if needed:
   - docker run --entrypoint /bin/sh -u root -h $postgres_container -t -i --name $postgres_container --rm $postgres_image -c /bin/bash
   - docker run --entrypoint /bin/sh -u root -h $quassel_container --link=$postgres_container:$postgres_container -t -i -v $quasselconf:/var/lib/quassel/quasselcore.conf --name $quassel_container --rm $quassel_image -c /bin/bash"
 
-# info
-if [[ "$1" == "--info" ]]; then
-  echo "$info"
+
+# help
+if [[ "$1" == "--help" ]]; then
+  echo "
+  quasseldocker management script
+  
+  usage:
+    $0 [ --kill | --run | --build | --help ]
+  
+  options:
+    --build    - build both (postgres; quassel) containers
+    --help     - display this message
+    --kill     - only kill and delete both containers
+    --run      - only run both containers
+  
+  running $0 without options will kill both containers (postgres, quassel), and then create and run both of them
+    
+  $info
+  "
 fi
 
 # do we want to build stuff?