set $ARGS global value

share/svi/lib/svi.rb

@@ -2,9 +2,9 @@ require_relative "svi/svn_runner"
 
 module Svi
   class << self
-    def run
+    def run(args)
     end
   end
 end
 
-Svi.run
+Svi.run($ARGS)

src/main.cc

@@ -107,6 +107,12 @@ int main(int argc, char * argv[])
         RUBY_INIT_STACK;
         ruby_init();
         rb_gv_set("$SHARE_DIR", rb_str_new(share_dir.c_str(), share_dir.size()));
+        VALUE argv_ruby_value = rb_ary_new();
+        rb_gv_set("$ARGS", argv_ruby_value);
+        for (int i = 0; i < argc; i++)
+        {
+            rb_ary_push(argv_ruby_value, rb_str_new_cstr(argv[i]));
+        }
         svi_ruby_protect_eval_string(ruby_startup, &exception);
     }
     delete[] ruby_startup;