Clean start

go.mod

@@ -0,0 +1,3 @@
+module goselfupdatetest
+
+go 1.15

main.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+var version = "v0.1.0"
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("provide a command")
+		os.Exit(1)
+	} else if os.Args[1] == "upgrade" {
+		fmt.Print("Trying Upgrade... ")
+		fmt.Println("Error not implemented")
+	} else if os.Args[1] == "version" {
+		fmt.Print("Version ")
+		fmt.Println(version)
+	} else {
+		fmt.Println("provide a valid command (version or upgrade)")
+	}
+}