rmswuq

#!/usr/bin/env bash

# User settings
VERSION=latest              # Valid choices are: stable-ppa, dev-env, dev
SHAREDDIR=$PWD/shared           # Location of the defaul shared directory
IMAGE=smattis/rmswuq-docker:$VERSION    # Name of the docker image to use
PERSISTENT=false                # Is the container persistent? true/false
CONTAINERNAME="rmswuq-$VERSION" # Default name of the container

#-------------------------------------------------------------------------#

# Tell script to exit on first error
trap 'exit' ERR

# Test if docker is installed
if ! hash docker 2>/dev/null; then
    echo >&2 "Command 'docker' cannot be found on your system. "
    echo >&2 "Instructions for installing docker on most platforms can be found at:"
    echo >&2 "          https://docs.docker.com/"
    echo >&2 "Aborting."
    exit 1
fi

# Delete the container after use if not persistent
if [ "$PERSISTENT" == "true" ]; then
    RM=""
else
    RM="--rm"
fi

start_gui () {
    # If we are on Mac OS X and using boot2docker we need to use the
    # following workaround from
    # https://github.com/docker/docker/issues/8710 to get X11
    # forwarding to work.
    if [ "$(uname)" == "Darwin" ]; then
	echo >&2 "Warning: X11 forwarding does not work for OS X."
	echo >&2 "You can run this script without X11 by not passing the -gui option."
	exit 1
	 
	# if hash socat 2> /dev/null ; then
	#     # I delibrately haven't sunk the output of socat until we
	#     # understand more about this.
	#     DISPLAY_ENV=$(boot2docker config | grep HostIP | awk -F \" '{print $2}'):0
	#     socat TCP-LISTEN:6000,reuseaddr,fork,bind=$DISPLAY_ENV UNIX-CLIENT:\"$DISPLAY\" &
	#     echo >&2 "Warning: X11 forwarding on Mac OS X is considered experimental!"
        # else
	#     echo >&2 "Command 'socat' cannot be found on your system."
	#     echo >&2 "socat is required for X11 forwarding to work on Mac OS X."
	#     echo >&2 "Homebrew users can install socat by running:"
	#     echo >&2 "        brew install socat"
	#     echo >&2 "You can run this script without X11 by not passing the -gui option."
	#     echo >&2 "Aborting."
	#     exit 1
	# fi
    else
        DISPLAY_ENV=$DISPLAY
    fi

    # Start xhost sharing
    xhost +local: > /dev/null 2>&1
    # Run docker
    if [ "$PERSISTENT" == "true" ]; then
        if [ -n "$(docker ps -a | grep $CONTAINERNAME)" ]; then
            # not the first run in the persistent case. just restore
            docker start $CONTAINERNAME
            exit 0
        fi
    fi
    # Launch docker container
    docker run -i -t $RM \
           -e DISPLAY=$DISPLAY_ENV \
           -v /tmp/.X11-unix:/tmp/.X11-unix:ro \
           -v $SHAREDDIR:/home/rmswuq/shared \
           -w="/home/rmswuq" \
           --name="$CONTAINERNAME" \
           $IMAGE
    # End xhost sharing
    xhost - >/dev/null 2>&1
}

start_cli () {
    # Launch docker container
    docker run -i -t $RM \
           -v $SHAREDDIR:/home/rmswuq/shared \
           -w="/home/rmswuq" \
           --name="$CONTAINERNAME" \
           $IMAGE
}

# parse arguments
if [ "$1" == "-gui" ]; then
    start_gui
    exit 0
else
    start_cli
    exit 0
fi