Merge pull request #5 from solidsnack/master

Simplify use of Bash script for setup

README.md

@@ -4,7 +4,7 @@ Deployment system for Yesod (and other Haskell) web apps.
 
 Do get Keter up-and-running quickly on an Ubuntu system, run:
 
-    wget -O - https://raw.github.com/snoyberg/keter/master/setup-keter.sh | bash -ex
+    wget -O - https://raw.github.com/snoyberg/keter/master/setup-keter.sh | bash
 
 (Note: you may need to run the above command twice, if the shell exits after
 `apt-get` but before running the rest of its instructions.) This will download

setup-keter.sh

@@ -1,4 +1,5 @@
-#!/bin/bash -ex
+#!/bin/bash
+set -o errexit -o nounset -o xtrace
 
 sudo apt-get install postgresql haskell-platform
 
@@ -39,4 +40,4 @@ sudo mv /tmp/keter.conf /etc/init
 sudo start keter
 
 sudo mkdir -p /opt/keter/incoming
-sudo chown $USER /opt/keter/incoming
+sudo chown "$USER" /opt/keter/incoming