Add support for arbitrary values for the references in version constraints

src/Composer/Package/Version/VersionParser.php

@@ -35,7 +35,7 @@ class VersionParser
      */
     public static function parseStability($version)
     {
-        $version = preg_replace('{#[a-f0-9]+$}i', '', $version);
+        $version = preg_replace('{#.+$}i', '', $version);
 
         if ('dev-' === substr($version, 0, 4) || '-dev' === substr($version, -4)) {
             return 'dev';
@@ -217,7 +217,7 @@ class VersionParser
             $constraints = empty($match[1]) ? '*' : $match[1];
         }
 
-        if (preg_match('{^(dev-[^,\s@]+?|[^,\s@]+?\.x-dev)#[a-f0-9]+$}i', $constraints, $match)) {
+        if (preg_match('{^(dev-[^,\s@]+?|[^,\s@]+?\.x-dev)#.+$}i', $constraints, $match)) {
             $constraints = $match[1];
         }
 

tests/Composer/Test/Package/Version/VersionParserTest.php

@@ -165,6 +165,7 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
     {
         $parser = new VersionParser;
         $this->assertSame((string) new VersionConstraint('=', '1.0.9999999.9999999-dev'), (string) $parser->parseConstraints('1.0.x-dev#abcd123'));
+        $this->assertSame((string) new VersionConstraint('=', '1.0.9999999.9999999-dev'), (string) $parser->parseConstraints('1.0.x-dev#trunk/@123'));
     }
 
     /**
@@ -174,6 +175,7 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
     {
         $parser = new VersionParser;
         $this->assertSame((string) new VersionConstraint('=', '1.0.0.0'), (string) $parser->parseConstraints('1.0#abcd123'));
+        $this->assertSame((string) new VersionConstraint('=', '1.0.0.0'), (string) $parser->parseConstraints('1.0#trunk/@123'));
     }
 
     /**
@@ -320,6 +322,7 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
             array('stable', '1.0'),
             array('dev',    'v2.0.x-dev'),
             array('dev',    'v2.0.x-dev#abc123'),
+            array('dev',    'v2.0.x-dev#trunk/@123'),
             array('RC',     '3.0-RC2'),
             array('dev',    'dev-master'),
             array('dev',    '3.1.2-dev'),