Check for version update only if current version is semver

cmd/utilities/version.go

@@ -17,6 +17,8 @@ var (
 	Date    = "unknown"
 )
 
+var releaseVersionRegex = regexp.MustCompile(`^v?\d+\.\d+\.\d+(-[\w.]+)?$`)
+
 func VersionCmd() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "version",
@@ -54,17 +56,16 @@ func GetFormattedDate(inputDate string) string {
 func GetChangelogUrl(version string) string {
 	path := "https://github.com/DylanDevelops/tmpo"
 
-	r := regexp.MustCompile(`^v?\d+\.\d+\.\d+(-[\w.]+)?$`)
-	if !r.MatchString(version) {
+	if !isReleaseVersion(version) {
 		return fmt.Sprintf("%s/releases/latest", path)
 	}
 
 	return fmt.Sprintf("%s/releases/tag/v%s", path, strings.TrimPrefix(version, "v"))
 }
 
 func checkForUpdates() {
-	// Only check if we have a valid version (not "dev" or empty)
-	if Version == "" || Version == "dev" {
+	// Only check for released semantic versions.
+	if !isReleaseVersion(Version) {
 		return
 	}
 
@@ -79,3 +80,7 @@ func checkForUpdates() {
 		fmt.Printf("%s\n\n", ui.Muted(updateInfo.UpdateURL))
 	}
 }
+
+func isReleaseVersion(version string) bool {
+	return releaseVersionRegex.MatchString(version)
+}

cmd/utilities/version_test.go

@@ -78,6 +78,11 @@ func TestGetChangelogUrl(t *testing.T) {
 			version:  "dev",
 			expected: "https://github.com/DylanDevelops/tmpo/releases/latest",
 		},
+		{
+			name:     "unstable version returns latest",
+			version:  "unstable",
+			expected: "https://github.com/DylanDevelops/tmpo/releases/latest",
+		},
 		{
 			name:     "empty version returns latest",
 			version:  "",