diff --git a/src/IDF/Scm.php b/src/IDF/Scm.php
index e34c989..708b02a 100644
--- a/src/IDF/Scm.php
+++ b/src/IDF/Scm.php
@@ -340,7 +340,8 @@ class IDF_Scm
      * stdClass object {
      *  'additions' => array('path/to/file', 'path/to/directory', ...),
      *  'deletions' => array('path/to/file', 'path/to/directory', ...),
-     *  'renames' => array('old/path/to/file' => 'new/path/to/file', ...)
+     *  'renames' => array('old/path/to/file' => 'new/path/to/file', ...),
+     *  'copies' => array('path/to/source' => 'path/to/target', ...),
      *  'patches' => array('path/to/file', ...),
      *  'properties' => array('path/to/file' => array(
      *              'propname' => 'propvalue', 'deletedprop' => null, ...)
diff --git a/src/IDF/Scm/Git.php b/src/IDF/Scm/Git.php
index 9f3e03d..f02f018 100644
--- a/src/IDF/Scm/Git.php
+++ b/src/IDF/Scm/Git.php
@@ -67,6 +67,7 @@ class IDF_Scm_Git extends IDF_Scm
             'additions'  => array(),
             'deletions'  => array(),
             'renames'    => array(),
+            'copies'     => array(),
             'patches'    => array(),
             'properties' => array(),
         );
diff --git a/src/IDF/Scm/Mercurial.php b/src/IDF/Scm/Mercurial.php
index 8c0b34d..95ddada 100644
--- a/src/IDF/Scm/Mercurial.php
+++ b/src/IDF/Scm/Mercurial.php
@@ -59,7 +59,7 @@ class IDF_Scm_Mercurial_LogStyle
                 . "\n"
                 . 'file_del = "{file_del}\0"'
                 . "\n"
-                . 'file_copy = "{name}\0{source}\0"'
+                . 'file_copy = "{source}\0{name}\0"'
                 . "\n";
         } else {
             throw new IDF_Scm_Exception('invalid type ' . $type);
@@ -457,24 +457,32 @@ class IDF_Scm_Mercurial extends IDF_Scm
             'patches'    => preg_split('/\0/', $log->file_mods, -1, PREG_SPLIT_NO_EMPTY),
             // hg has no support for built-in attributes, so this keeps empty
             'properties' => array(),
-            // this is filled below
+            // these two are filled below
+            'copies'     => array(),
             'renames'    => array(),
         );
 
         $file_copies = preg_split('/\0/', $log->file_copies, -1, PREG_SPLIT_NO_EMPTY);
 
-        // FIXME: copies are only treated as renames if they have an add _and_
-        // an drop, otherwise they're just treated as adds
+        // copies are treated as renames if they have an add _and_ a drop;
+        // only if they only have an add, but no drop, they're treated as copies
         for ($i=0; $i<count($file_copies); $i+=2) {
-            $new = $file_copies[$i];
-            $old = $file_copies[$i+1];
-            $newidx = array_search($new, $return->additions);
-            $oldidx = array_search($old, $return->deletions);
-            if ($newidx !== false && $oldidx !== false) {
-                $return->renames[$old] = $new;
-                unset($return->additions[$newidx]);
-                unset($return->deletions[$oldidx]);
+            $src = $file_copies[$i];
+            $trg = $file_copies[$i+1];
+            $srcidx = array_search($src, $return->deletions);
+            $trgidx = array_search($trg, $return->additions);
+            if ($srcidx !== false && $trgidx !== false) {
+                $return->renames[$src] = $trg;
+                unset($return->deletions[$srcidx]);
+                unset($return->additions[$trgidx]);
+                continue;
             }
+            if ($srcidx === false && $trgidx !== false) {
+                $return->copies[$src] = $trg;
+                unset($return->additions[$trgidx]);
+                continue;
+            }
+            // file sutures (counter-operation to copy) not supported
         }
 
         return $return;
diff --git a/src/IDF/Scm/Monotone.php b/src/IDF/Scm/Monotone.php
index d04c53b..63f40e3 100644
--- a/src/IDF/Scm/Monotone.php
+++ b/src/IDF/Scm/Monotone.php
@@ -609,6 +609,7 @@ class IDF_Scm_Monotone extends IDF_Scm
             'additions'  => array(),
             'deletions'  => array(),
             'renames'    => array(),
+            'copies'     => array(),
             'patches'    => array(),
             'properties' => array(),
         );
diff --git a/src/IDF/templates/idf/source/commit.html b/src/IDF/templates/idf/source/commit.html
index 7cc2bf7..6b88158 100644
--- a/src/IDF/templates/idf/source/commit.html
+++ b/src/IDF/templates/idf/source/commit.html
@@ -34,6 +34,9 @@
 {foreach $changes.renames as $oldname => $newname}
 <tr><td><span class="scm-action renamed" title="{trans 'renamed'}">R</span></td><td><a href="{url 'IDF_Views_Source::tree', array($project.shortname, $commit, $newname)}">{$oldname} &rarr; {$newname}</a></td></tr>
 {/foreach}
+{foreach $changes.copies as $srcname => $destname}
+<tr><td><span class="scm-action copied" title="{trans 'copied'}">C</span></td><td><a href="{url 'IDF_Views_Source::tree', array($project.shortname, $commit, $destname)}">{$srcname} &rarr; {$destname}</a></td></tr>
+{/foreach}
 {foreach $changes.additions as $filename}
 <tr><td><span class="scm-action added" title="{trans 'added'}">A</span></td><td><a href="{url 'IDF_Views_Source::tree', array($project.shortname, $commit, $filename)}">{$filename}</a>{if !empty($diff.files[$filename])} (<a href="#diff-{$filename|md5}">{trans 'full'}</a>){/if}</td></tr>
 {/foreach}
diff --git a/www/media/idf/css/style.css b/www/media/idf/css/style.css
index 3f80fdd..3480828 100644
--- a/www/media/idf/css/style.css
+++ b/www/media/idf/css/style.css
@@ -1058,6 +1058,10 @@ span.scm-action.renamed {
   background-color: purple;
 }
 
+span.scm-action.copied {
+  background-color: orchid;
+}
+
 span.scm-action.property-changed {
   background-color: blue;
 }