Logger package for gitea repositories
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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package log
import (
"os"
"github.com/mattn/go-isatty"
"golang.org/x/sys/windows"
)
func enableVTMode(console windows.Handle) bool {
mode := uint32(0)
err := windows.GetConsoleMode(console, &mode)
if err != nil {
return false
}
// EnableVirtualTerminalProcessing is the console mode to allow ANSI code
// interpretation on the console. See:
// https://docs.microsoft.com/en-us/windows/console/setconsolemode
// It only works on windows 10. Earlier terminals will fail with an err which we will
// handle to say don't color
mode = mode | windows.ENABLE_VIRTUAL_TERMINAL_PROCESSING
err = windows.SetConsoleMode(console, mode)
return err == nil
}
func init() {
if isatty.IsTerminal(os.Stdout.Fd()) {
CanColorStdout = enableVTMode(windows.Stdout)
} else {
CanColorStdout = isatty.IsCygwinTerminal(os.Stderr.Fd())
}
if isatty.IsTerminal(os.Stderr.Fd()) {
CanColorStderr = enableVTMode(windows.Stderr)
} else {
CanColorStderr = isatty.IsCygwinTerminal(os.Stderr.Fd())
}
}