Index: commitlog.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/versioncontrol/commitlog/commitlog.module,v
retrieving revision 1.26
diff -u -r1.26 commitlog.module
--- commitlog.module	8 Nov 2007 02:58:36 -0000	1.26
+++ commitlog.module	7 Dec 2007 19:38:43 -0000
@@ -492,6 +492,7 @@
   $variables['time'] = format_date($commit['date'], 'custom', 'H:i');
 
   $variables['actions'] = theme('commitlog_commit_actions', $commit, $commit_actions, $format);
+  $variables['statistics'] = theme('commitlog_commit_statistics', $commit, versioncontrol_get_commit_statistics($commit), $format);
   $variables['message'] = theme('commitlog_commit_message', $commit, $format);
   $variables['branches'] = theme('commitlog_commit_branches', $commit, $format);
 
@@ -511,6 +512,7 @@
     '!name' => $variables['username'],
     '!time' => $variables['time'],
   ));
+  $output .= ' ('. $variables['statistics'] .')';
   $output .= "</div>\n"; // class "title"
 
   $output .= '<div class="actions">'. $variables['actions'] .'</div>'."\n";
@@ -652,6 +654,64 @@
   return implode(', ', $branches);
 }
 
+function commitlog_standard_deviation($total_x2, $total_x, $n) {
+  if($n == 0) {
+    return 0;
+  }
+  return sqrt($total_x2 / $n - pow($total_x / $n, 2));
+}
+
+function theme_commitlog_commit_statistics($commit, $commit_statistics, $format = 'html') {
+  $lines = array();
+  
+  if ($format == 'html' && $commit_statistics['action_count'] > 1) {
+    // Add in standard deviation of lines added for HTML output when there is more than one action (and hence S.D. =/= 0)
+    $action_string = '<abbr title="Standard deviation: !sd">!count</abbr>';
+  }
+  else {
+    $action_string = '!count';
+  }
+  if ($commit_statistics['lines_added'] == 1) {
+    $action_string .= ' line added';
+  }
+  else {
+    $action_string .= ' lines added';
+  }
+  $lines[] = strtr($action_string, array(
+    '!count'  => $commit_statistics['lines_added'],
+    '!sd' => commitlog_standard_deviation($commit_statistics['lines_added_squared'], $commit_statistics['lines_added'], $commit_statistics['action_count']),
+  ));
+  
+  if ($format == 'html' && $commit_statistics['action_count'] > 1) {
+    // Add in standard deviation of lines removed for HTML output when there is more than one action (and hence S.D. =/= 0)
+    $action_string = '<abbr title="Standard deviation: !sd">!count</abbr>';
+  }
+  else {
+    $action_string = '!count';
+  }
+  if ($commit_statistics['lines_removed'] == 1) {
+    $action_string .= ' line removed';
+  }
+  else {
+    $action_string .= ' lines removed';
+  }
+  $lines[] = strtr($action_string, array(
+    '!count'  => $commit_statistics['lines_removed'],
+    '!sd' => commitlog_standard_deviation($commit_statistics['lines_removed_squared'], $commit_statistics['lines_removed'], $commit_statistics['action_count']),
+  ));
+  
+  if ($commit_statistics['action_count'] == 1) {
+    $action_string = '!count action';
+  }
+  else {
+    $action_string = '!count actions';
+  }
+  $lines[] = strtr($action_string, array(
+    '!count'  => $commit_statistics['action_count'],
+  ));
+  
+  return implode(", ", $lines);
+}
 
 function theme_commitlog_commit_actions($commit, $commit_actions, $format = 'html') {
   if (empty($commit_actions)) {