updates and cleanup

Signed-off-by: Jess Frazelle <acidburn@google.com>

sublime-text-3/Dockerfile

@@ -52,7 +52,6 @@ RUN apt-get update && apt-get -y install \
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-
 # In order to prevent writing as root:root in Sublime, we have to run the Sublime Text container
 # as the user that creates the container. Normally we do this by passing $UID.
 # But just passing $UID along isn't enough - Sublime has to be started by a user that exists.

sublime-text-3/run.sh

@@ -2,11 +2,13 @@
 set -e
 set -o pipefail
 
+COMMAND=/opt/sublime_text/sublime_text
+
 if [ -z ${NEWUSER+x} ]; then
 	echo 'WARN: No user was defined, defaulting to root.'
 	echo 'WARN: Sublime will save files as root:root.'
 	echo '      To prevent this, start the container with -e NEWUSER=$USER'
-	/usr/src/sublime_text/sublime_text -w
+	exec $COMMAND -w
 else
 	# The root user already exists, so we only need to do something if
 	# a user has been specified.
@@ -14,6 +16,6 @@ else
 	# If you'd like to have Sublime Text add your development folder
 	# to the current project (i.e. in the sidebar at start), append
 	# "-a /home/$NEWUSER/Documents" (without quotes) into the su -c command below.
-	# Example: su $NEWUSER -c "/usr/src/sublime_text/sublime_text -w -a /home/$NEWUSER/Documents"
-	su $NEWUSER -c "/usr/src/sublime_text/sublime_text -w"
+	# Example: su $NEWUSER -c "$COMMAND -w -a /home/$NEWUSER/Documents"
+	su $NEWUSER -c "$COMMAND -w"
 fi