move GPL licensed sphinxapi.php out of source tree; automatically dow…

…nload via make.php

.gitignore

@@ -1,2 +1,3 @@
 config/local.php
 test/*.out
+vendors/sphinxapi*.php

LICENSE.txt

@@ -65,7 +65,7 @@ third-party vendors, which is licensed as follows:
 The following third-party code is used by the software, but should not be 
 distributed together with the software due to licensing incompatibilities:
 
-* vendors/sphinxapi.php
+* vendors/sphinxapi.php (downloaded/installed by "php make.php vendors")
    (c) 2001-2010, Andrew Aksyonoff
    (c) 2008-2010, Sphinx Technologies Inc,
    released under GPL license v2.
@@ -74,5 +74,5 @@ distributed together with the software due to licensing incompatibilities:
     downloaded from http://www.scribd.com/developers/libraries,
     unknown copyright/license.
 
-* ga.php, views/default/page_elements/google_analytics_image.php
+* www/ga.php, views/default/page_elements/google_analytics_image.php
     (c) 2009 Google Inc. All Rights Reserved.

make.php

@@ -20,6 +20,7 @@ static function all()
         Build::media();
         Build::css();
         Build::js();
+        Build::vendors();
     }
 
     /*
@@ -32,6 +33,26 @@ static function clean()
         system('rm -rf www/_media/*');        
     }
 
+    /*
+     * Downloads code for 3rd party libraries that can't be distributed with our source code
+     * because their licensing is incompatible with ours.
+     */
+    static function vendors()
+    {
+        $sphinx_ver = "rel110";        
+        $sphinx_api_filename = "sphinxapi.{$sphinx_ver}.php";
+        $sphinx_api_path = __DIR__."/vendors/$sphinx_api_filename";
+        if (!is_file($sphinx_api_path))
+        {
+            $sphinx_url = "http://sphinxsearch.googlecode.com/svn/branches/{$sphinx_ver}/api/sphinxapi.php";    
+
+            $sphinx_api_php = file_get_contents($sphinx_url);
+            static::write_file($sphinx_api_path, $sphinx_api_php);
+        }
+        static::write_file(__DIR__."/vendors/sphinxapi.php", 
+            "<?php require_once __DIR__.'/$sphinx_api_filename';");
+    }    
+
     /*
      * Generates a cache of all the paths of files in the engine, themes, languages, and views
      * directories, which might be referenced via virtual paths in calls to Engine::get_real_path() .