set console mode on windows so colors render

pkg/cli/color-console_windows.go

@@ -0,0 +1,36 @@
+/*
+    Copyright (C) 2020 Accurics, Inc.
+
+	Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+		http://www.apache.org/licenses/LICENSE-2.0
+
+	Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+// +build windows
+
+package cli
+
+import (
+	"golang.org/x/sys/windows"
+	"os"
+)
+
+// In order for colored output to work on Windows, we need to explicitly
+// enable the virtual terminal processing console mode.  This is needed for
+// zap (log) output that goes to the console as well as program output.
+func init() {
+	var originalMode uint32
+
+	stdout := windows.Handle(os.Stdout.Fd())
+
+	windows.GetConsoleMode(stdout, &originalMode)
+	windows.SetConsoleMode(stdout, originalMode|windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING)
+}