Show which version of yt-dlp is installed

src/media/fetch.go

@@ -45,7 +45,10 @@ var downloadDir = getDownloadDir()
 var idCharSet = regexp.MustCompile(`^[a-zA-Z0-9]+$`).MatchString
 
 func Index(w http.ResponseWriter, _ *http.Request) {
-	if err := fetchIndexTmpl.Execute(w, nil); err != nil {
+	data := map[string]string{
+		"ytDlpVersion": GetInstalledVersion(),
+	}
+	if err := fetchIndexTmpl.Execute(w, data); err != nil {
 		log.Error().Msgf("Error rendering template: %v", err)
 		http.Error(w, "Internal error", http.StatusInternalServerError)
 	}

src/media/updater.go

@@ -65,8 +65,12 @@ func GetInstalledVersion() string {
 	cmd.Stderr = os.Stderr
 
 	if err := cmd.Run(); err != nil {
-		return ""
+		log.Error().Err(err).Msgf("Error getting installed version")
 	}
 
-	return strings.TrimSpace(string(s.Bytes()))
+	version := strings.TrimSpace(string(s.Bytes()))
+	if version != "" {
+		return version
+	}
+	return "unknown"
 }

templates/media/index.html

@@ -29,6 +29,7 @@ <h1 class="display-4"><a class="text-light" href="/">media roller</a></h1>
     </div>
     <footer>
         <div>
+            Running <a href="https://github.com/yt-dlp/yt-dlp">yt-dlp</a> version {{ $.ytDlpVersion }}<br>
             <p class="text-muted">Source at <a class="text-light" href="https://github.com/rroller/media-roller">https://github.com/rroller/media-roller</a>
             </p>
         </div>