pre-commit

#!/bin/bash
#
# cf. http://labs.gree.jp/blog/2011/03/2885/
#

PHP_CODE=$(cat <<'EOS'
$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}", $files);

$filename_pattern = '/\.php$/';
$ignore_file_patterns = array(
    '#skel\..+\.php$#',
    '#/tests/#',
    '#Resources/skeleton/#',
    '#Resources/stubs/#',
    '#app/check\.php$#',
    '#app/SymfonyRequirements\.php$#',
);
$exit_status = 0;

foreach ($files as $file) {
    if (!preg_match($filename_pattern, $file)) {
        // don't check files that aren't PHP
        continue;
    }
    foreach ($ignore_file_patterns as $ignore_file_pattern) {
        // ignore
        if (preg_match($ignore_file_pattern, $file)) {
            continue 2;
        }
    }
    if (!file_exists($file)) {
        // delete file
        continue;
    }

    // http://cs.sensiolabs.org/
    $csfile = '.php_cs';
    $cmdArg = '';
    if (is_file($csfile)) {
        $cmdArg = '--config-file="' . $csfile . '"';
    }

    ob_start();
    passthru(sprintf('php-cs-fixer fix %s %s -v --ansi', escapeshellarg($file), $cmdArg), $return);
    $output = ob_get_clean();
    if ($return != 0) {
        echo "CS fixed:", PHP_EOL;
        echo $output;
        passthru('git diff --color=always ' . escapeshellarg($file));
        echo PHP_EOL, '----', PHP_EOL;
        $exit_status = 1;

        continue;
    }

    // php lint
    $output = array();
    exec('php -l ' . escapeshellarg($file), $output, $return);
    if ($return != 0) {
        echo implode(PHP_EOL, $output), PHP_EOL;
        echo PHP_EOL, '----', PHP_EOL;
        $exit_status = 1;

        continue;
    }
}
exit($exit_status);

EOS
)

php -r "$PHP_CODE"
php_status=$?
if test $php_status -ne 0
then
    echo "git pre-commit hook error"
    echo "please fix the error and retry commit"
    cat <<HOGE

    if remove from the index:
        $ git reset

    if edit the file to fix errors and retry commit:
        $ edit FILE_NAME ...
        $ git add FILE_NAME
        $ git commit

HOGE
    exit $php_status
fi