remove native UI elements, update README

main.go

@@ -25,9 +25,11 @@ func main() {
 	var (
 		helpFlag       bool
 		updateOnlyFlag bool
+		forceFlag      bool
 		rerunConfig    bool
 	)
 	flag.BoolVar(&helpFlag, "h", false, "Print help")
+	flag.BoolVar(&forceFlag, "f", false, "Forces epochcli to update files even if they match the current version")
 	flag.BoolVar(&updateOnlyFlag, "u", false, "Ignore EnableLauncher setting in config and only runs an update. Does nothing if EnableLauncher is false")
 	flag.BoolVar(&rerunConfig, "c", false, "Runs config configuration step. Overrides the config file")
 	flag.Parse()
@@ -47,14 +49,14 @@ func main() {
 		log.Fatalf("WowDir in %s is still the default setting, exiting", cfgPath)
 	}
 
-	updated, current, err := downloadUpdate(config)
+	stats, err := downloadUpdate(config, forceFlag)
 	if err != nil {
 		log.Fatal(err)
 	}
 
-	fmt.Printf("Updated %d files\n", updated)
-	if current > 0 {
-		fmt.Printf("%d files are already up to date\n", current)
+	fmt.Printf("%d files updated\n", stats.updated)
+	if stats.current > 0 {
+		fmt.Printf("%d files are already up to date\n", stats.current)
 	}
 
 	if updateOnlyFlag {
@@ -76,8 +78,13 @@ func main() {
 	}
 }
 
-func downloadUpdate(config *Config) (int, int, error) {
-	var updateCount, currentCount int
+type DownloadStats struct {
+	updated int
+	current int
+}
+
+func downloadUpdate(config *Config, force bool) (DownloadStats, error) {
+	var stats DownloadStats
 
 	manifest, err := getManifest()
 	if err != nil {
@@ -94,17 +101,19 @@ func downloadUpdate(config *Config) (int, int, error) {
 			os.MkdirAll(localDir, 0755)
 		}
 
-		if _, err = os.Stat(localPath); err == nil {
-			data, err := os.ReadFile(localPath)
-			if err != nil {
-				return updateCount, currentCount, err
-			}
-			hashBytes := md5.Sum(data)
-			hash := hex.EncodeToString(hashBytes[:])
-			if hash == file.Hash {
-				fmt.Printf("File %s is up to date\n", localPath)
-				currentCount += 1
-				continue
+		if !force {
+			if _, err = os.Stat(localPath); err == nil {
+				data, err := os.ReadFile(localPath)
+				if err != nil {
+					return stats, err
+				}
+				hashBytes := md5.Sum(data)
+				hash := hex.EncodeToString(hashBytes[:])
+				if hash == file.Hash {
+					fmt.Printf("File %s is up to date\n", localPath)
+					stats.current += 1
+					continue
+				}
 			}
 		}
 
@@ -112,26 +121,26 @@ func downloadUpdate(config *Config) (int, int, error) {
 
 		outFile, err := os.Create(localPath)
 		if err != nil {
-			return updateCount, currentCount, err
+			return stats, err
 		}
 		defer outFile.Close()
 
 		resp, err := http.Get(file.URL)
 		if err != nil {
-			return updateCount, currentCount, err
+			return stats, err
 		}
 		defer resp.Body.Close()
 		if resp.StatusCode != http.StatusOK {
-			return updateCount, currentCount, fmt.Errorf("failed to download update from %s, status code: %d", file.URL, resp.StatusCode)
+			return stats, fmt.Errorf("failed to download update from %s, status code: %d", file.URL, resp.StatusCode)
 		}
 
 		_, err = io.Copy(outFile, resp.Body)
 		if err != nil {
-			return updateCount, currentCount, err
+			return stats, err
 		}
 
-		updateCount += 1
+		stats.updated += 1
 	}
 
-	return updateCount, currentCount, nil
+	return stats, nil
 }