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29 lines
1.7 KiB
HTML
29 lines
1.7 KiB
HTML
Xcode has a bad habit of adding trailing whitespace to code, which is a pet
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peeve of mine. It introduces irrelevant changes into diffs and is particularly
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glaring when commiting code with [GitX], which highlights it in red. In [TextMate]
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and now [Vico] I have bound the strip trailing whitespace in current document
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action to ⌃⌥⌘S (control-option-command-s). This makes it quick and easy.
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Xcode makes adding these types of actions a bit harder but I came up with a
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solution that uses the Behaviours functionality in Xcode 4. This is how I did
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it:
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[GitX]: http://gitx.frim.nl/
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[Vico]: http://www.vicoapp.com/
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[TextMate]: http://macromates.com/
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Create a shell script that invokes `sed` on each git tracked file that is
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modified. Since Xcode doesn't tell the script what the current file was and
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I didn't want to run sed over every file every time, processing tracked files
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with modifications was the best solution I could come up with. Note that the
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script also only prcocesses `.m` and `.h` files. I have my copy of the script
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in `~/Documents/strip.sh`, be sure to give it the execute permission.
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<script src="https://gist.github.com/1175182.js?file=strip.sh"></script>
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Next you need to add a behaviour to Xcode. Go to the Xcode preferences and
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click the Behaviours section, then click the + button. Name the behaviour and
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give it a keyboard shortcut. In the right pane check Run and choose the script
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you saved above. That's it. Now you can kill off that nasty whitespace with
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ease.
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<a href="/images/2011/08/xcode-behaviours-preferences.png" rel="prettyPhoto[xcode]"><img src="/images/2011/08/xcode-behaviours-preferences-small.png" width="600" height="423" alt="Xcode 4 Behaviours Preferences" /></a>
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