Githook to assure file permissions (must be +x ed)

pre-commit

#!/usr/bin/php
<?php

echo "Start a git filecheck \n";
$output = array();
$return = 0;
exec('git rev-parse --verify HEAD 2> /dev/null', $output, $return);
$against = $return == 0 ? 'HEAD' : '4b825dc642cb6eb9a060e54bf8d69288fbee4904';

exec("git diff-index --cached --name-only {$against}", $output);

$filename_pattern = '/\.php$/';
$exit_status = 0;
#var_dump($output);
array_shift($output);
#var_dump($output); die(1);
foreach ($output as $file) {
    if ("0775" != substr(sprintf('%o', fileperms($file)), -4)){
    	echo $file." is not set to permission 775. Setting now, redo commit. \n";
    	chmod($file, 0775);
    	$exit_status = 1;
    }
    if (!preg_match($filename_pattern, $file)) {
        // don't check files that aren't PHP
        continue;
    }

    $lint_output = array();
    exec("php -l " . escapeshellarg($file), $lint_output, $return);
    if ($return == 0) {
        continue;
    }
    echo implode("\n", $lint_output), "\n";
    $exit_status = 1;
}

exit($exit_status);