From c7307de63ece94f7cbf147d7fc1a7d45b4a5f55f Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Tue, 1 May 2018 16:05:27 +1000
Subject: [PATCH] cmake: Automatically pull in winpty for menuconfig, monitor
 if needed

---
 tools/cmake/kconfig.cmake | 3 +++
 tools/idf.py              | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/tools/cmake/kconfig.cmake b/tools/cmake/kconfig.cmake
index bda5c87bc..eeb8ce113 100644
--- a/tools/cmake/kconfig.cmake
+++ b/tools/cmake/kconfig.cmake
@@ -13,6 +13,7 @@ endmacro()
 
 if(CMAKE_HOST_WIN32)
     # Prefer a prebuilt mconf on Windows
+    find_program(WINPTY winpty)
     find_program(MCONF mconf)
 
     if(NOT MCONF)
@@ -23,6 +24,8 @@ if(CMAKE_HOST_WIN32)
                 "on the PATH, or an MSYS2 version of gcc on the PATH to build mconf. "
                 "Consult the setup docs for ESP-IDF on Windows.")
         endif()
+    elseif(WINPTY)
+        set(MCONF "${WINPTY}" "${MCONF}")
     endif()
 endif()
 
diff --git a/tools/idf.py b/tools/idf.py
index 9064a8178..247fd3b9f 100755
--- a/tools/idf.py
+++ b/tools/idf.py
@@ -267,6 +267,8 @@ def monitor(action, args):
         monitor_args += [ "-p", args.port ]
     monitor_args += [ "-b", project_desc["monitor_baud"] ]
     monitor_args += [ elf_file ]
+    if "MSYSTEM" is os.environ:
+        monitor_args = [ "winpty" ] + monitor_args
     _run_tool("idf_monitor", monitor_args, args.build_dir)