Cosmetic fixes

CHANGELOG.md

@@ -2,7 +2,7 @@
 
   * Schema: Added references for dev versions, requiring `dev-master#abcdef` for example will force the abcdef commit
   * Added `require` command to add a package to your requirements and install it
-  * Added a whitelist to `update. Calling `composer update foo/bar foo/baz` allows you to update only those packages
+  * Added a whitelist to `update`. Calling `composer update foo/bar foo/baz` allows you to update only those packages
   * Added caching of GitHub metadata (faster startup time with custom GitHub VCS repos)
   * Added support for file:// URLs to GitDriver
   * Added --dev flag to `create-project` command

src/Composer/Command/RequireCommand.php

@@ -70,7 +70,7 @@ EOT
 
         $requireKey = $input->getOption('dev') ? 'require-dev' : 'require';
         $baseRequirements = array_key_exists($requireKey, $composer) ? $composer[$requireKey] : array();
-        $requirements     = $this->formatRequirements($requirements);
+        $requirements = $this->formatRequirements($requirements);
 
         if (!$this->updateFileCleanly($json, $baseRequirements, $requirements, $requireKey)) {
             foreach ($requirements as $package => $version) {

src/Composer/Installer.php

@@ -337,7 +337,7 @@ class Installer
             } else {
                 // force update to latest on update
                 if ($this->update) {
-                    // skip package is the whitelist is enabled and it is not in it
+                    // skip package if the whitelist is enabled and it is not in it
                     if ($this->updateWhitelist && !in_array($package->getName(), $this->updateWhitelist)) {
                         continue;
                     }

src/Composer/Json/JsonManipulator.php

@@ -23,11 +23,12 @@ class JsonManipulator
 
     public function __construct($contents)
     {
-        if (!preg_match('#^\{(.*)\}$#s', trim($contents), $match)) {
+        $contents = trim($contents);
+        if (!preg_match('#^\{(.*)\}$#s', $contents)) {
             throw new \InvalidArgumentException('The json file must be an object ({})');
         }
         $this->newline = false !== strpos("\r\n", $contents) ? "\r\n": "\n";
-        $this->contents = '{' . $match[1] . '}';
+        $this->contents = $contents;
         $this->detectIndenting();
     }