Prevent Xcode from opening extra projects

Insistent I don’t want persistence.

I’ve been a little annoyed with Xcode on Lion. Every time I open a project it also opens the last project I was working on. This might be fine if I was only working on one project – but recently I have been working on Captured in the evenings, and Zippy’s iPhone app during the day. I don’t want to open the project for Captured when I get to work in the morning. Plus it is particularly frustrating when one of those projects is a workspace, if you create a new project Xcode insists on adding it to the current workspace.

The solution: fix my xcode script, by passing in a user defaults flag.

I have been using a helper function to load xcode from the command line for a while now, and really it is the primary way that I open a project. Maybe I am in minority for Cocoa developers, but I live on the command line – so this is better for me.

#!/usr/bin/env ruby
f = []
f.concat Dir["*.xcworkspace"]
f.concat Dir["*.xcodeproj"]

if f.length > 0
  puts "opening #{f.first}"
  `open -a /Developer/Applications/ #{f.first} --args -ApplePersistenceIgnoreState YES`
  exit 0

puts "No Xcode projects found"
exit 1

The trick is the ApplePersistenceIgnoreState option passed in to Xcode, this overrides the NSUserDefault for the app persistence.

If you want to use this, just create a file xcode somewhere in your path and then set it to be executable chmod +x xcode. Then opening project is as simple as:

cd path/to/proj


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