More verbose pull hook output.

- Show last line and retval.
- Remove trailing whitespace.

utils/git.php

@@ -12,17 +12,19 @@
 else if(flock($tfile, LOCK_EX | LOCK_NB))
 {
    $token = trim(fgets($tfile));
-   
+
    // check to make sure that the token value is correct
    if(array_key_exists('token', $_GET) and $token === $_GET['token'])
    {
       // perform a git pull
       chdir('..');
       $gitdir = getcwd() . "/.git";
-      system("git --git-dir $gitdir pull");
-
-      echo 'git update successful';
-
+      $last_line = system("git --git-dir $gitdir pull", $last_line);
+
+      echo 'git pull last line: ' . $last_line . "\n";
+      echo 'git pull retval: ' . $retval . "\n";
+      echo 'git pull complete';
+
       // Sleep for 5 seconds to throttle the update rate to 12 per minute
       sleep(5);
    }
@@ -31,11 +33,11 @@
       echo 'ERROR: Invalid secret token provided. ' .
          'See the README for more information.';
    }
-   
+
    // Release the lock file
    flock($tfile, LOCK_UN); // release the lock
 }
-else 
+else
 {
    echo 'ERROR: An update is currently being performed, ' .
       'this request has been rejected.';