-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
golang.go
93 lines (77 loc) · 1.58 KB
/
golang.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
// Package golang is a source for Go
package golang
import (
"os"
"os/exec"
"path/filepath"
"strings"
"github.com/asim/go-micro/v3/runtime/local/source"
)
type Source struct {
Options source.Options
// Go Command
Cmd string
Path string
}
func (g *Source) Fetch(url string) (*source.Repository, error) {
purl := url
if parts := strings.Split(url, "://"); len(parts) > 1 {
purl = parts[len(parts)-1]
}
// name of repo
name := filepath.Base(url)
// local path of repo
path := filepath.Join(g.Path, purl)
args := []string{"get", "-d", url, path}
cmd := exec.Command(g.Cmd, args...)
if err := cmd.Run(); err != nil {
return nil, err
}
return &source.Repository{
Name: name,
Path: path,
URL: url,
}, nil
}
// Commit is not yet supported
func (g *Source) Commit(r *source.Repository) error {
return nil
}
func (g *Source) String() string {
return "golang"
}
// whichGo locates the go command
func whichGo() string {
// check GOROOT
if gr := os.Getenv("GOROOT"); len(gr) > 0 {
return filepath.Join(gr, "bin", "go")
}
// check path
for _, p := range filepath.SplitList(os.Getenv("PATH")) {
bin := filepath.Join(p, "go")
if _, err := os.Stat(bin); err == nil {
return bin
}
}
// best effort
return "go"
}
func NewSource(opts ...source.Option) source.Source {
options := source.Options{
Path: os.TempDir(),
}
for _, o := range opts {
o(&options)
}
cmd := whichGo()
path := options.Path
// point of no return
if len(cmd) == 0 {
panic("Could not find Go executable")
}
return &Source{
Options: options,
Cmd: cmd,
Path: path,
}
}