fix dir perms (#7)

Fixes #4

Reviewed-on: #7

pkg/patching/patching.go

@@ -205,6 +205,26 @@ func PatchEpoch(myWindow fyne.Window, updateAllStatuses func()) {
 	dialog.ShowInformation("Downloading patches", "Downloading patches for Project Epoch, this will take some time. Please wait until the status changes to \"Patched\"", myWindow)
 	paths.DownloadingPatches = true
 	log.Debug("Attempting to download Epoch patches...")
+
+	// Ensure permissions on WoW directory is correct
+	err := filepath.Walk(paths.EpochPath, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		err = os.Chmod(path, 0755)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+	if err != nil {
+		msg := fmt.Sprintf("Failed to set wow directory permissions: %v", err)
+		log.Error(msg)
+		dialog.ShowInformation("Error", msg, myWindow)
+	} else {
+		log.Debug("Successfully set wow directory permissions")
+	}
+
 	go func() {
 		stats := epoch.Update(paths.EpochPath, true, true, false)
 		if stats.Error != nil {