refactor

main.go

@@ -124,31 +124,36 @@ func createUpdate(path string, platform string) {
 }
 
 func printUsage() {
-	fmt.Println("Go-Selfupdate - Enable your Golang applications to self update.\n\n")
-	fmt.Println("Usage:\n")
-	fmt.Println("\tSingle platform: go-selfupdate myapp 1.2")
-	fmt.Println("\tCross platform: go-selfupdate /tmp/mybinares/ 1.2")
+    fmt.Println("Go-Selfupdate - Enable your Golang applications to self update.\n\n")
+    fmt.Println("Usage:\n")
+    fmt.Println("\tSingle platform: go-selfupdate myapp 1.2")
+    fmt.Println("\tCross platform: go-selfupdate /tmp/mybinares/ 1.2")
 }
 
 func isArgsPresent() bool {
-	if len(os.Args) < 2 {
-		return false
-	}
+    if len(os.Args) < 2 {
+        return false
+    }
 
-	return true
+    return true
+}
+
+func createBuildDir() {
+	os.MkdirAll(genDir, 0755)
 }
 
 func main() {
-	if isArgsPresent() == false {
-		printUsage()
-		os.Exit(0)
-	}
+    if isArgsPresent() == false {
+        printUsage()
+        os.Exit(0)
+    }
 
 	plat = os.Getenv("GOOS") + "-" + os.Getenv("GOARCH")
 	appPath = os.Args[1]
 	version = os.Args[2]
 	genDir = "public"
-	os.MkdirAll(genDir, 0755)
+
+    createBuildDir()
 
 	// If dir is given create update for each file
 	files, err := ioutil.ReadDir(appPath)