Custom name for generate VMs

appvm.go

@@ -403,12 +403,13 @@ func main() {
 	generateCommand := kingpin.Command("generate", "Generate appvm definition")
 	generateName := generateCommand.Arg("name", "Nix package name").Required().String()
 	generateBin := generateCommand.Arg("bin", "Binary").Default("").String()
+	generateVMName := generateCommand.Flag("vm", "Use VM Name").Default("").String()
 
 	switch kingpin.Parse() {
 	case "list":
 		list(l)
 	case "generate":
-		generate(l, *generateName, *generateBin)
+		generate(l, *generateName, *generateBin, *generateVMName)
 	case "start":
 		start(l, *startName, *startVerbose)
 	case "stop":

generate.go

@@ -42,7 +42,7 @@ func nixPath(name string) (path string, err error) {
 	return
 }
 
-func generate(l *libvirt.Libvirt, name, bin string) {
+func generate(l *libvirt.Libvirt, name, bin, vmname string) {
 	if !isPackageExists(name) {
 		log.Println("Package pkgs."+name, "does not exists")
 		return
@@ -88,7 +88,13 @@ func generate(l *libvirt.Libvirt, name, bin string) {
 	}
 
 	realName := strings.Split(name, ".")[1]
-	appFilename := configDir + "/nix/" + realName + ".nix"
+
+	var appFilename string
+	if vmname != "" {
+		appFilename = configDir + "/nix/" + vmname + ".nix"
+	} else {
+		appFilename = configDir + "/nix/" + realName + ".nix"
+	}
 
 	appNixConfig := fmt.Sprintf(template, realName, bin)