1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
//go:build !windows
// +build !windows
// The method in the file has no effect
// Only for compatibility with non-Windows systems
package color
import (
"strings"
"syscall"
"github.com/xo/terminfo"
)
// detect special term color support
func detectSpecialTermColor(termVal string) (Level, bool) {
if termVal == "" {
return terminfo.ColorLevelNone, false
}
debugf("terminfo check fail - fallback detect color by check TERM value")
// on TERM=screen:
// - support 256, not support true-color. test on macOS
if termVal == "screen" {
return terminfo.ColorLevelHundreds, false
}
if strings.Contains(termVal, "256color") {
return terminfo.ColorLevelHundreds, false
}
if strings.Contains(termVal, "xterm") {
return terminfo.ColorLevelHundreds, false
// return terminfo.ColorLevelBasic, false
}
// return terminfo.ColorLevelNone, nil
return terminfo.ColorLevelBasic, false
}
// IsTerminal returns true if the given file descriptor is a terminal.
//
// Usage:
// IsTerminal(os.Stdout.Fd())
func IsTerminal(fd uintptr) bool {
return fd == uintptr(syscall.Stdout) || fd == uintptr(syscall.Stdin) || fd == uintptr(syscall.Stderr)
}
|
