browser-box: allow users to force launch a browser in a container

README.md

@@ -81,7 +81,7 @@ This will install wrapper scripts to launch:
 
 > **Note**
 >
-> If the application being launched is already installed on the host, then the host command is executed and the docker image is not started.
+> If the browser is installed on the the host then it is launched instead of starting it in a docker container. To force the launch a browser in a container, launch the browser using the `browser-box` script. For example, `browser-box firefox` will launch the Firefox browser inside a Docker container regardless of whether Firefox is installed on the host or not.
 
 ## Use Cases
 

scripts/browser-box

@@ -11,9 +11,6 @@ USER_GID=$(id -g)
 XSOCK=/tmp/.X11-unix
 XAUTH=/tmp/.docker.xauth
 
-prog=$(basename $0)
-exec=$(which $prog)
-
 list_browsers() {
   echo "Launch a browser using:"
   echo "  chromium-browser                     - Launch Chromium"
@@ -73,13 +70,21 @@ prepare_docker_device_parameters() {
   done
 }
 
-if [[ $prog == "browser-box" ]]; then
-  list_browsers
-  exit 1
-fi
-
-# launch host binary if it exists
-if [[ -n ${exec} ]]; then
+prog=$(basename $0)
+exec=$(which $prog)
+if [[ ${prog} == "browser-box" ]]; then
+  case ${1} in
+    google-chrome|google-chrome-stable|tor-browser|chromium-browser|firefox)
+      prog=${1}
+      shift
+      ;;
+    *|help)
+      list_browsers
+      exit 1
+      ;;
+  esac
+elif [[ -n ${exec} ]]; then
+  # launch host binary if it exists
   exec ${exec} $@
 fi