Inserts your most recent git commit hash into your app's Info.plist

gistfile1.php

<?PHP
	$fn = "{$_ENV['BUILT_PRODUCTS_DIR']}/{$_ENV['WRAPPER_NAME']}/Contents/Info.plist";
	$rev = trim(`git rev-parse HEAD`);
	$plist = file_get_contents($fn);
	$plist = preg_replace('/CFBundleVersion<\/key>.*?<string>(.*?)<\/string>/ms', "CFBundleVersion</key>\n\t<string>$rev</string>", $plist);
	file_put_contents($fn, $plist);