-
Notifications
You must be signed in to change notification settings - Fork 232
/
update.go
57 lines (51 loc) · 1.26 KB
/
update.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
package update
import (
"context"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"runtime"
)
var ErrUnknownVersion = errors.New("unknown version")
// Check checks for the latest Encore version.
// It reports ErrUnknownVersion if it cannot determine the version.
func Check(ctx context.Context) (semver string, err error) {
defer func() {
if err != nil {
err = fmt.Errorf("update.Check: %w", err)
}
}()
url := "https://encore.dev/api/releases"
req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
if err != nil {
return "", err
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
body, _ := ioutil.ReadAll(resp.Body)
return "", fmt.Errorf("GET %s: responded with %s: %s", url, resp.Status, body)
}
var respData map[string]struct{ Version string }
if err := json.NewDecoder(resp.Body).Decode(&respData); err != nil {
return "", fmt.Errorf("GET %s: invalid json: %v", url, err)
}
key := ""
switch runtime.GOOS {
case "windows":
key = "windows_amd64"
case "darwin":
key = "darwin_" + runtime.GOARCH
default:
key = "linux_amd64"
}
if ver := respData[key].Version; ver != "" {
return "v" + ver, nil
}
return "", ErrUnknownVersion
}