docker_run_x

#!/usr/bin/env bash
set -o errexit

# Create X server credentials (See http://stackoverflow.com/a/25280523)
xauth="$(mktemp)"; trap 'rm -f "$xauth"' EXIT
touch "$xauth"
xauth nlist "$DISPLAY" | sed -e 's/^..../ffff/' | xauth -f "$xauth" nmerge -

# Run arbitrary Docker command using X server credentials
docker run --volume /tmp/.X11-unix:/tmp/.X11-unix \
           --volume "$xauth":"$xauth" \
           --env XAUTHORITY="$xauth" \
           --env DISPLAY="$DISPLAY" \
           "$@"

exit