Make gitlab/bitbucket driver checks case insensitive

src/Composer/Repository/Vcs/BitbucketDriver.php

@@ -46,7 +46,7 @@ abstract class BitbucketDriver extends VcsDriver
      */
     public function initialize()
     {
-        preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+?)(\.git|/?)$#', $this->url, $match);
+        preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+?)(\.git|/?)$#i', $this->url, $match);
         $this->owner = $match[1];
         $this->repository = $match[2];
         $this->originUrl = 'bitbucket.org';

src/Composer/Repository/Vcs/GitBitbucketDriver.php

@@ -53,7 +53,7 @@ class GitBitbucketDriver extends BitbucketDriver
      */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
-        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/(.+?)\.git$#', $url)) {
+        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/(.+?)\.git$#i', $url)) {
             return false;
         }
 

src/Composer/Repository/Vcs/GitHubDriver.php

@@ -50,7 +50,7 @@ class GitHubDriver extends VcsDriver
         preg_match('#^(?:(?:https?|git)://([^/]+)/|git@([^:]+):/?)([^/]+)/(.+?)(?:\.git|/)?$#', $this->url, $match);
         $this->owner = $match[3];
         $this->repository = $match[4];
-        $this->originUrl = !empty($match[1]) ? $match[1] : $match[2];
+        $this->originUrl = strtolower(!empty($match[1]) ? $match[1] : $match[2]);
         if ($this->originUrl === 'www.github.com') {
             $this->originUrl = 'github.com';
         }
@@ -272,7 +272,7 @@ class GitHubDriver extends VcsDriver
         }
 
         $originUrl = !empty($matches[2]) ? $matches[2] : $matches[3];
-        if (!in_array(preg_replace('{^www\.}i', '', $originUrl), $config->get('github-domains'))) {
+        if (!in_array(strtolower(preg_replace('{^www\.}i', '', $originUrl)), $config->get('github-domains'))) {
             return false;
         }
 

src/Composer/Repository/Vcs/GitLabDriver.php

@@ -494,6 +494,8 @@ class GitLabDriver extends VcsDriver
      */
     private static function determineOrigin(array $configuredDomains, $guessedDomain, array &$urlParts, $portNumber)
     {
+        $guessedDomain = strtolower($guessedDomain);
+
         if (in_array($guessedDomain, $configuredDomains) || ($portNumber && in_array($guessedDomain.':'.$portNumber, $configuredDomains))) {
             if ($portNumber) {
                 return $guessedDomain.':'.$portNumber;

src/Composer/Repository/Vcs/HgBitbucketDriver.php

@@ -53,7 +53,7 @@ class HgBitbucketDriver extends BitbucketDriver
      */
     public static function supports(IOInterface $io, Config $config, $url, $deep = false)
     {
-        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+)/?$#', $url)) {
+        if (!preg_match('#^https?://bitbucket\.org/([^/]+)/([^/]+)/?$#i', $url)) {
             return false;
         }