| 28 | } |
| 29 | |
| 30 | func getLatestVersion() (*semver.Version, *semver.Version, error) { |
| 31 | var op errors.Op = "update.getLatestVersion" |
| 32 | res, err := http.Get(updateCheckURL) |
| 33 | if err != nil { |
| 34 | return nil, nil, errors.E(op, fmt.Errorf("update check request: %w", err)) |
| 35 | } |
| 36 | |
| 37 | defer res.Body.Close() |
| 38 | var response updateCheckResponse |
| 39 | err = json.NewDecoder(res.Body).Decode(&response) |
| 40 | if err != nil { |
| 41 | return nil, nil, errors.E(op, fmt.Errorf("decoding update check response: %w", err)) |
| 42 | } |
| 43 | if response.Latest == nil && response.PreRelease == nil { |
| 44 | return nil, nil, errors.E(op, fmt.Errorf("expected version info not found at %s", updateCheckURL)) |
| 45 | } |
| 46 | |
| 47 | return response.Latest, response.PreRelease, nil |
| 48 | } |
| 49 | |
| 50 | func buildAssetURL(v string) string { |
| 51 | os := runtime.GOOS |