add builder() and patch_point() global functions

src/SPC/builder/BuilderProvider.php

@@ -43,7 +43,7 @@ class BuilderProvider
     /**
      * @throws WrongUsageException
      */
-    public function getBuilder(): BuilderBase
+    public static function getBuilder(): BuilderBase
     {
         if (self::$builder === null) {
             throw new WrongUsageException('Builder has not been initialized');

src/globals/functions.php

@@ -3,6 +3,8 @@
 declare(strict_types=1);
 
 use Psr\Log\LoggerInterface;
+use SPC\builder\BuilderBase;
+use SPC\builder\BuilderProvider;
 use SPC\exception\RuntimeException;
 use SPC\exception\WrongUsageException;
 use SPC\util\UnixShell;
@@ -127,3 +129,23 @@ function cmd(?bool $debug = null): WindowsCmd
 {
     return new WindowsCmd($debug);
 }
+
+/**
+ * Get current builder.
+ *
+ * @throws WrongUsageException
+ */
+function builder(): BuilderBase
+{
+    return BuilderProvider::getBuilder();
+}
+
+/**
+ * Get current patch point.
+ *
+ * @throws WrongUsageException
+ */
+function patch_point(): string
+{
+    return BuilderProvider::getBuilder()->getPatchPoint();
+}