/
main.go
75 lines (62 loc) · 1.34 KB
/
main.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
package main
import (
"encoding/json"
"flag"
"fmt"
"os"
"github.com/Azure/moby-packaging/pkg/archive"
)
type args struct {
bundleDir string
specFile string
}
func main() {
a := args{}
if len(os.Args) < 2 {
panic("first arg must be 'dir', 'full-path', or 'basename'")
}
globFlags := flag.NewFlagSet("global", flag.ExitOnError)
pathFlag := flag.NewFlagSet("./cmd/path", flag.ExitOnError)
pathFlag.StringVar(&a.specFile, "spec-file", "", "path of spec file")
pathFlag.StringVar(&a.bundleDir, "bundle-dir", "", "base directory of bundled files")
globFlags.Usage = pathFlag.Usage
pathFlag.Parse(os.Args[2:])
globFlags.Parse(os.Args[1:])
if err := do(os.Args[1], a); err != nil {
panic(err)
}
}
func do(cmd string, a args) error {
if a.specFile == "" {
return fmt.Errorf("all subcommands require the --spec-file argument")
}
b, err := os.ReadFile(a.specFile)
if err != nil {
return err
}
var s archive.Spec
if err := json.Unmarshal(b, &s); err != nil {
return err
}
var p string
switch cmd {
case "dir":
p = s.Dir(a.bundleDir)
case "full-path":
var err error
p, err = s.FullPath(a.bundleDir)
if err != nil {
return err
}
case "basename":
var err error
p, err = s.Basename()
if err != nil {
return err
}
default:
return fmt.Errorf("command not recognized")
}
fmt.Printf("%s", p)
return nil
}