diff --git a/src/Composer/Json/JsonFile.php b/src/Composer/Json/JsonFile.php
old mode 100644
new mode 100755
index 3c3f731fd..dc2538132
--- a/src/Composer/Json/JsonFile.php
+++ b/src/Composer/Json/JsonFile.php
@@ -300,7 +300,6 @@ class JsonFile
             return true;
         }
 
-        //throw $result;
         throw new JsonValidationException('JSON file is not valid "'.$file.'"'."\n".$result->getMessage(), $result->getDetails());
     }
 }
diff --git a/src/Composer/Repository/Vcs/GitHubDriver.php b/src/Composer/Repository/Vcs/GitHubDriver.php
old mode 100644
new mode 100755
index 5e924254f..57a2f4f8b
--- a/src/Composer/Repository/Vcs/GitHubDriver.php
+++ b/src/Composer/Repository/Vcs/GitHubDriver.php
@@ -122,7 +122,6 @@ class GitHubDriver extends VcsDriver
         }
 
         if (preg_match('{[a-f0-9]{40}}i', $identifier) && $res = $this->cache->read($identifier)) {
-            //TODO how to get the json file here?
             $this->infoCache[$identifier] = JsonFile::parseJson($res);
         }
 
diff --git a/src/Composer/Repository/Vcs/HgDriver.php b/src/Composer/Repository/Vcs/HgDriver.php
old mode 100644
new mode 100755
index 31ed5c57c..c7cea695a
--- a/src/Composer/Repository/Vcs/HgDriver.php
+++ b/src/Composer/Repository/Vcs/HgDriver.php
@@ -94,14 +94,13 @@ class HgDriver extends VcsDriver
     public function getComposerInformation($identifier)
     {
         if (!isset($this->infoCache[$identifier])) {
-            $resource = escapeshellarg($identifier);
-            $this->process->execute(sprintf('cd %s && hg cat -r %s composer.json', escapeshellarg($this->tmpDir), $resource), $composer);
+            $this->process->execute(sprintf('cd %s && hg cat -r %s composer.json', escapeshellarg($this->tmpDir), escapeshellarg($identifier)), $composer);
 
             if (!trim($composer)) {
                 return;
             }
 
-            $composer = JsonFile::parseJson($composer, $resource);
+            $composer = JsonFile::parseJson($composer, $identifier);
 
             if (!isset($composer['time'])) {
                 $this->process->execute(sprintf('cd %s && hg log --template "{date|rfc822date}" -r %s', escapeshellarg($this->tmpDir), escapeshellarg($identifier)), $output);
diff --git a/src/Composer/Repository/Vcs/SvnDriver.php b/src/Composer/Repository/Vcs/SvnDriver.php
old mode 100644
new mode 100755
index bc1ed69b2..1589ffb04
--- a/src/Composer/Repository/Vcs/SvnDriver.php
+++ b/src/Composer/Repository/Vcs/SvnDriver.php
@@ -94,7 +94,6 @@ class SvnDriver extends VcsDriver
         $identifier = '/' . trim($identifier, '/') . '/';
 
         if ($res = $this->cache->read($identifier.'.json')) {
-            //TODO how to get the json filename here?
             $this->infoCache[$identifier] = JsonFile::parseJson($res);
         }
 
@@ -117,7 +116,7 @@ class SvnDriver extends VcsDriver
                 throw new TransportException($e->getMessage());
             }
 
-            $composer = JsonFile::parseJson($output, $resource);
+            $composer = JsonFile::parseJson($output, $this->baseUrl . $resource . $rev);
 
             if (!isset($composer['time'])) {
                 $output = $this->execute('svn info', $this->baseUrl . $path . $rev);