Added a check-for-dos-endings pre commit hook

Config.sample.php

@@ -3,6 +3,7 @@
 
 $CONFIG['preCommit'] = array(
     'run-php-lint',
+    'check-for-dos-endings',
     'check-whitespace',
     'enforce-coding-standards',
     'run-phpunit',

check-for-dos-endings

@@ -0,0 +1,25 @@
+#!/usr/bin/env php
+<?php
+$output = array();
+$return = 0;
+$exit_status = 0;
+
+// finds any DOS carriage returns, but ignores .git directory
+$cmd = "grep -PIlsr '\\r\\n' . | grep -v '.git'";
+// REGEX from:  http://stackoverflow.com/questions/73833/how-do-you-search-for-files-containing-dos-line-endings-crlf-with-grep-under-li
+
+
+exec($cmd, $output, $return);
+if ($return != 1) {
+    echo "DOS line endings detected\n" . implode("\n", $output);
+    $exit_status = 1;
+    exit($exit_status);
+}
+
+/**
+bash script to fix dos files:
+WARNING:  this overwrites files in place
+
+    for f in `grep -PIlsr '\r\n' . | grep -v '.git'`; do dos2unix ${f}; done
+
+**/

pre-commit

@@ -12,4 +12,4 @@ foreach ($commandsToRun as $command) {
         echo implode("\n", $output) . "\n";
         exit(1);
     }
-}
+}