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
|
package plugin
import (
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"gopkg.in/yaml.v2"
)
type Manifest struct {
Id string `json:"id" yaml:"id"`
Backend *ManifestBackend `json:"backend,omitempty" yaml:"backend,omitempty"`
}
type ManifestBackend struct {
Executable string `json:"executable" yaml:"executable"`
}
// FindManifest will find and parse the manifest in a given directory.
//
// In all cases other than a does-not-exist error, path is set to the path of the manifest file that was
// found.
//
// Manifests are JSON or YAML files named plugin.json, plugin.yaml, or plugin.yml.
func FindManifest(dir string) (manifest *Manifest, path string, err error) {
for _, name := range []string{"plugin.yml", "plugin.yaml"} {
path = filepath.Join(dir, name)
f, ferr := os.Open(path)
if ferr != nil {
if !os.IsNotExist(ferr) {
err = ferr
return
}
continue
}
b, ioerr := ioutil.ReadAll(f)
f.Close()
if ioerr != nil {
err = ioerr
return
}
var parsed Manifest
err = yaml.Unmarshal(b, &parsed)
if err != nil {
return
}
manifest = &parsed
return
}
path = filepath.Join(dir, "plugin.json")
f, ferr := os.Open(path)
if ferr != nil {
if os.IsNotExist(ferr) {
path = ""
}
err = ferr
return
}
defer f.Close()
var parsed Manifest
err = json.NewDecoder(f).Decode(&parsed)
if err != nil {
return
}
manifest = &parsed
return
}
|
