Allow filtering of warning/info msgs by composer version

src/Composer/Repository/ComposerRepository.php

@@ -20,6 +20,7 @@ use Composer\DependencyResolver\Pool;
 use Composer\Json\JsonFile;
 use Composer\Cache;
 use Composer\Config;
+use Composer\Composer;
 use Composer\Factory;
 use Composer\IO\IOInterface;
 use Composer\Util\RemoteFilesystem;
@@ -699,12 +700,7 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
                 }
 
                 $data = JsonFile::parseJson($json, $filename);
-                if (!empty($data['warning'])) {
-                    $this->io->writeError('<warning>Warning from '.$this->url.': '.$data['warning'].'</warning>');
-                }
-                if (!empty($data['info'])) {
-                    $this->io->writeError('<info>Info from '.$this->url.': '.$data['info'].'</info>');
-                }
+                $this->outputWarnings($data);
 
                 if ($cacheKey) {
                     if ($storeLastModifiedTime) {
@@ -769,12 +765,7 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
                 }
 
                 $data = JsonFile::parseJson($json, $filename);
-                if (!empty($data['warning'])) {
-                    $this->io->writeError('<warning>Warning from '.$this->url.': '.$data['warning'].'</warning>');
-                }
-                if (!empty($data['info'])) {
-                    $this->io->writeError('<info>Info from '.$this->url.': '.$data['info'].'</info>');
-                }
+                $this->outputWarnings($data);
 
                 $lastModifiedDate = $rfs->findHeaderValue($rfs->getLastHeaders(), 'last-modified');
                 if ($lastModifiedDate) {
@@ -835,4 +826,24 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
         // wipe rootData as it is fully consumed at this point and this saves some memory
         $this->rootData = true;
     }
+
+    private function outputWarnings($data)
+    {
+        foreach (array('warning', 'info') as $type) {
+            if (empty($data[$type])) {
+                continue;
+            }
+
+            if (!empty($data[$type . '-versions'])) {
+                $versionParser = new VersionParser();
+                $constraint = $versionParser->parseConstraints($data[$type . '-versions']);
+                $composer = new Constraint('==', $versionParser->normalize(Composer::getVersion()));
+                if (!$constraint->matches($composer)) {
+                    continue;
+                }
+            }
+
+            $this->io->writeError('<'.$type.'>'.ucfirst($type).' from '.$this->url.': '.$data[$type].'</'.$type.'>');
+        }
+    }
 }