Use release URL from API

command/checkForUpdate.go

@@ -13,47 +13,49 @@ import (
 
 const nwo = "github/homebrew-gh"
 
+type releaseInfo struct {
+	Version string `json:"tag_name"`
+	URL     string `json:"html_url"`
+}
+
 func CheckForUpdate(handleUpdate chan func()) {
 	if !terminal.IsTerminal(int(os.Stdout.Fd())) {
 		handleUpdate <- nil
 	}
 
-	latestVersion, err := getLatestVersion()
+	latestRelease, err := getLatestRelease()
 	if err != nil {
 		handleUpdate <- nil
 	}
 
-	updateAvailable := latestVersion != Version
+	updateAvailable := latestRelease.Version != Version
 
 	if updateAvailable {
 		handleUpdate <- func() {
 			fmt.Printf(utils.Cyan(`
 A new version of gh is available! %s → %s
-Changelog: https://github.com/%s/releases/tag/%[2]s
-Run 'brew reinstall gh' to update!`)+"\n\n", Version, latestVersion, nwo)
+Changelog: %s
+Run 'brew reinstall gh' to update!`)+"\n\n", Version, latestRelease.Version, latestRelease.URL)
 		}
 	} else {
 		handleUpdate <- nil
 	}
 }
 
-func getLatestVersion() (string, error) {
+func getLatestRelease() (*releaseInfo, error) {
 	url := fmt.Sprintf("https://api.github.com/repos/%s/releases/latest", nwo)
 	resp, err := http.Get(url)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 	defer resp.Body.Close()
 
 	data, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 
-	var parsedData struct {
-		LatestVersion string `json:"tag_name"`
-	}
-
-	json.Unmarshal(data, &parsedData)
-	return parsedData.LatestVersion, nil
+	var r releaseInfo
+	json.Unmarshal(data, &r)
+	return r, nil
 }