it just works

server/updater/forced_update.go

@@ -0,0 +1,45 @@
+package updater
+
+import (
+	"io"
+	"log"
+	"net/http"
+
+	"github.com/goccy/go-json"
+)
+
+const (
+	gitHubAPILatest   = "https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest"
+	gitHubAPIDownload = "https://api.github.com/repos/yt-dlp/yt-dlp/releases/download"
+)
+
+var (
+	client = &http.Client{
+		CheckRedirect: http.DefaultClient.CheckRedirect,
+	}
+)
+
+func getLatestReleaseTag() (string, error) {
+	res, err := client.Get(gitHubAPILatest)
+	if err != nil {
+		log.Println("Cannot get release tag from GitHub API")
+		return "", err
+	}
+	defer res.Body.Close()
+
+	body, err := io.ReadAll(res.Body)
+
+	if err != nil {
+		log.Println("Cannot parse response from GitHub API")
+		return "", err
+	}
+
+	tag := ReleaseLatestResponse{}
+	json.Unmarshal(body, &tag)
+
+	return tag.TagName, nil
+}
+
+func ForceUpdate() {
+	getLatestReleaseTag()
+}

server/updater/types.go

@@ -0,0 +1,6 @@
+package updater
+
+type ReleaseLatestResponse struct {
+	Name    string `json:"name"`
+	TagName string `json:"tag_name"`
+}

server/updater/update.go

@@ -0,0 +1,17 @@
+package updater
+
+import (
+	"os/exec"
+
+	"github.com/marcopeocchi/yt-dlp-web-ui/server/config"
+)
+
+var path = config.Instance().GetConfig().DownloaderPath
+
+func UpdateExecutable() error {
+	cmd := exec.Command(path, "-U")
+	cmd.Start()
+
+	err := cmd.Wait()
+	return err
+}