From 51ea1f03f9088095fd1192278fd67a5fdf8eb5ab Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 26 Aug 2013 13:29:47 +0200
Subject: [PATCH] Validate constraints in require command, fixes #2197

---
 src/Composer/Command/RequireCommand.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Composer/Command/RequireCommand.php b/src/Composer/Command/RequireCommand.php
index f47445a4e..fb4f9a9b1 100644
--- a/src/Composer/Command/RequireCommand.php
+++ b/src/Composer/Command/RequireCommand.php
@@ -20,6 +20,7 @@ use Composer\Factory;
 use Composer\Installer;
 use Composer\Json\JsonFile;
 use Composer\Json\JsonManipulator;
+use Composer\Package\Version\VersionParser;
 
 /**
  * @author Jérémy Romey <jeremy@free-agent.fr>
@@ -80,6 +81,12 @@ EOT
         $baseRequirements = array_key_exists($requireKey, $composer) ? $composer[$requireKey] : array();
         $requirements = $this->formatRequirements($requirements);
 
+        // validate requirements format
+        $versionParser = new VersionParser();
+        foreach ($requirements as $constraint) {
+            $versionParser->parseConstraints($constraint);
+        }
+
         if (!$this->updateFileCleanly($json, $baseRequirements, $requirements, $requireKey)) {
             foreach ($requirements as $package => $version) {
                 $baseRequirements[$package] = $version;