-
Notifications
You must be signed in to change notification settings - Fork 0
/
cmd.go
135 lines (109 loc) · 2.5 KB
/
cmd.go
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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
package cmd
import (
"fmt"
"os"
"os/exec"
"runtime"
"strings"
"syscall"
"github.com/huguanghui/StartGo/ui"
"github.com/huguanghui/StartGo/utils"
"github.com/kballard/go-shellquote"
)
type Cmd struct {
Name string
Args []string
Stdin *os.File
Stdout *os.File
Stderr *os.File
}
func (cmd Cmd) String() string {
return fmt.Sprintf("%s %s", cmd.Name, strings.Join(cmd.Args, " "))
}
func (cmd *Cmd) WithArg(arg string) *Cmd {
cmd.Args = append(cmd.Args, arg)
return cmd
}
func (cmd *Cmd) WithArgs(args ...string) *Cmd {
for _, arg := range args {
cmd.WithArg(arg)
}
return cmd
}
func (cmd *Cmd) CombinedOutput() (string, error) {
verboseLog(cmd)
output, err := exec.Command(cmd.Name, cmd.Args...).CombinedOutput()
return string(output), err
}
func (cmd *Cmd) Success() bool {
verboseLog(cmd)
err := exec.Command(cmd.Name, cmd.Args...).Run()
return err == nil
}
func (cmd *Cmd) Run() error {
if isWindows() {
return cmd.Spawn()
} else {
return cmd.Exec()
}
}
func isWindows() bool {
return runtime.GOOS == "windows" || detectWSL()
}
var detectedWSL bool
var detectedWSLContents string
func detectWSL() bool {
if !detectedWSL {
b := make([]byte, 1024)
f, err := os.Open("/proc/version")
if err == nil {
f.Read(b)
f.Close()
detectedWSLContents = string(b)
}
detectedWSL = true
}
return strings.Contains(detectedWSLContents, "Microsoft")
}
func (cmd *Cmd) Spawn() error {
verboseLog(cmd)
c := exec.Command(cmd.Name, cmd.Args...)
c.Stdin = cmd.Stdin
c.Stdout = cmd.Stdout
c.Stderr = cmd.Stderr
return c.Run()
}
func (cmd *Cmd) Exec() error {
verboseLog(cmd)
binary, err := exec.LookPath(cmd.Name)
if err != nil {
return &exec.Error{
Name: cmd.Name,
Err: fmt.Errorf("command not found"),
}
}
fmt.Println("Binary: ", binary)
args := []string{binary}
args = append(args, cmd.Args...)
fmt.Println("args: ", args)
return syscall.Exec(binary, args, os.Environ())
}
func New(cmd string) *Cmd {
cmds, err := shellquote.Split(cmd)
utils.Check(err)
name := cmds[0]
args := cmds[1:]
return &Cmd{Name: name, Args: args, Stdin: os.Stdin, Stdout: os.Stdout, Stderr: os.Stderr}
}
func NewWithArray(cmd []string) *Cmd {
return &Cmd{Name: cmd[0], Args: cmd[1:], Stdin: os.Stdin, Stdout: os.Stdout, Stderr: os.Stderr}
}
func verboseLog(cmd *Cmd) {
if os.Getenv("HUB_VERBOSE") != "" {
msg := fmt.Sprintf("$ %s %s", cmd.Name, strings.Join(cmd.Args, " "))
if ui.IsTerminal(os.Stderr) {
msg = fmt.Sprintf("\033[35m%s\033[0m", msg)
}
ui.Errorln(msg)
}
}