Fix auto update on mac

app.go

@@ -328,14 +328,19 @@ func (b *App) UpdateCheckUI() {
 		runtime.LogInfo(b.ctx, action)
 		if action == "Yes" {
 			runtime.LogInfo(b.ctx, "Update clicked")
-			updated := update.DoSelfUpdate()
+			var updated bool
+			if goruntime.GOOS == "darwin" {
+				updated = update.DoSelfUpdateMac()
+			} else {
+				updated = update.DoSelfUpdate()
+			}
 			if updated {
 				buttons = []string{"Ok"}
-				dialogOpts = runtime.MessageDialogOptions{Title: "Update Succeeded", Message: "Update Successfull. Please restart. ", Type: runtime.InfoDialog, Buttons: buttons, DefaultButton: "Ok"}
+				dialogOpts = runtime.MessageDialogOptions{Title: "Update Succeeded", Message: "Update Successfull. Please restart this app to take effect. ", Type: runtime.InfoDialog, Buttons: buttons, DefaultButton: "Ok"}
 				runtime.MessageDialog(b.ctx, dialogOpts)
 			} else {
 				buttons = []string{"Ok"}
-				dialogOpts = runtime.MessageDialogOptions{Title: "Update Error", Message: "Update failed, try again later. ", Type: runtime.InfoDialog, Buttons: buttons, DefaultButton: "Ok"}
+				dialogOpts = runtime.MessageDialogOptions{Title: "Update Error", Message: "Update failed, please manually update from GitHub Releases. ", Type: runtime.InfoDialog, Buttons: buttons, DefaultButton: "Ok"}
 				runtime.MessageDialog(b.ctx, dialogOpts)
 			}
 		}

internal/update/selfupdate.go

@@ -2,6 +2,9 @@ package update
 
 import (
 	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
 
 	"github.com/blang/semver"
 	"github.com/rhysd/go-github-selfupdate/selfupdate"
@@ -27,6 +30,32 @@ func DoSelfUpdate() bool {
 	}
 }
 
+func DoSelfUpdateMac() bool {
+	latest, found, _ := selfupdate.DetectLatest("achhabra2/riftshare")
+	if found {
+		homeDir, _ := os.UserHomeDir()
+		downloadPath := filepath.Join(homeDir, "Downloads", "RiftShare.zip")
+		err := exec.Command("curl", "-L", latest.AssetURL, "-o", downloadPath).Run()
+		if err != nil {
+			log.Println("curl error:", err)
+			return false
+		}
+		err = exec.Command("ditto", "-xk", downloadPath, "/Applications/").Run()
+		if err != nil {
+			log.Println("ditto error:", err)
+			return false
+		}
+		err = exec.Command("rm", downloadPath).Run()
+		if err != nil {
+			log.Println("removing error:", err)
+			return false
+		}
+		return true
+	} else {
+		return false
+	}
+}
+
 func CheckForUpdate() (bool, string) {
 	latest, found, err := selfupdate.DetectLatest("achhabra2/riftshare")
 	if err != nil {