Switched to faster, simpler bash version

git-hooks/pre-commit

@@ -1,29 +1,17 @@
-#!/usr/bin/php
-<?php
+#!/bin/bash
 
-$output = array();
-$return = 0;
-exec('git rev-parse --verify HEAD 2> /dev/null', $output, $return);
-$against = $return == 0 ? 'HEAD' : '4b825dc642cb6eb9a060e54bf8d69288fbee4904';
+files_modified=`git diff-index --name-only HEAD`
 
-exec("git diff-index --cached --name-only {$against}", $output);
+# PHP lint files
 
-$filename_pattern = '/\.php$/';
-$exit_status = 0;
-
-foreach ($output as $file) {
-    if (!preg_match($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);
+for f in $files_modified; do
+    if [[ $f == *.php ]]; then
+        php -l "$f" > /dev/null
+        if [ $? != 0 ]; then
+            echo "Code fails PHP lint check."
+            echo "Aborting commit. Commit again with --no-verify to ignore."
+            exit 1
+        fi
+    fi
+done
+exit