mirror of
https://github.com/strongdm/comply
synced 2024-11-05 07:25:26 +00:00
33 lines
797 B
Go
33 lines
797 B
Go
|
// Copyright 2016 Canonical Ltd.
|
||
|
|
// Licensed under the LGPLv3, see LICENCE file for details.
|
||
|
|
|
||
|
|
package ansiterm
|
||
|
|
|
||
|
|
import (
|
||
|
|
"io"
|
||
|
|
"os"
|
||
|
|
|
||
|
|
"github.com/mattn/go-colorable"
|
||
|
|
"github.com/mattn/go-isatty"
|
||
|
|
)
|
||
|
|
|
||
|
|
// colorEnabledWriter returns a writer that can handle the ansi color codes
|
||
|
|
// and true if the writer passed in is a terminal capable of color. If the
|
||
|
|
// TERM environment variable is set to "dumb", the terminal is not considered
|
||
|
|
// color capable.
|
||
|
|
func colorEnabledWriter(w io.Writer) (io.Writer, bool) {
|
||
|
|
f, ok := w.(*os.File)
|
||
|
|
if !ok {
|
||
|
|
return w, false
|
||
|
|
}
|
||
|
|
// Check the TERM environment variable specifically
|
||
|
|
// to check for "dumb" terminals.
|
||
|
|
if os.Getenv("TERM") == "dumb" {
|
||
|
|
return w, false
|
||
|
|
}
|
||
|
|
if !isatty.IsTerminal(f.Fd()) {
|
||
|
|
return w, false
|
||
|
|
}
|
||
|
|
return colorable.NewColorable(f), true
|
||
|
|
}
|