https://git.ruby-lang.org/ruby.git/commit/?id=09f939d3a0

From 09f939d3a0140478f2e547f45b4becd05247d360 Mon Sep 17 00:00:00 2001
From: "U.Nakamura" <usa@r...>
Date: Mon, 21 Dec 2020 17:29:09 +0900
Subject: Enable escape sequence on Windows10 console

	* win32/win32.c (init_stdhandle): enable escape sequence on
	  Windows10 console to show `ruby --help` colors correctly.

diff --git a/win32/win32.c b/win32/win32.c
index 5934d7d..5985875 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -2687,6 +2687,17 @@ init_stdhandle(void) https://github.com/ruby/ruby/blob/trunk/win32/win32.c#L2687
     }
     if (nullfd >= 0 && !keep) close(nullfd);
     setvbuf(stderr, NULL, _IONBF, 0);
+
+    {
+        HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
+        DWORD m;
+        if (GetConsoleMode(h, &m)) {
+#ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
+#define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x200
+#endif
+            SetConsoleMode(h, m | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
+        }
+    }
 }
 
 #undef getsockopt
-- 
cgit v0.10.2


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/