feat: change multiline prompt via multiprompt function (closes #13)

lua.go

@@ -25,6 +25,7 @@ func LuaInit() {
 	l.SetGlobal("_ver", lua.LString(version))
 
 	l.SetGlobal("prompt", l.NewFunction(hshprompt))
+	l.SetGlobal("multiprompt", l.NewFunction(hshmlprompt))
 	l.SetGlobal("alias", l.NewFunction(hshalias))
 
 	// Add fs module to Lua
@@ -76,6 +77,12 @@ func hshprompt(L *lua.LState) int {
 	return 0
 }
 
+func hshmlprompt(L *lua.LState) int {
+	multilinePrompt = L.ToString(1)
+
+	return 0
+}
+
 func hshalias(L *lua.LState) int {
 	alias := L.ToString(1)
 	source := L.ToString(2)

main.go

@@ -21,6 +21,8 @@ const version = "0.3.0-dev"
 var l *lua.LState
 // User's prompt, this will get set when lua side is initialized
 var prompt string
+var multilinePrompt = "> "
+
 // Map of builtin/custom commands defined in the commander lua module
 var commands = map[string]bool{}
 // Command aliases
@@ -113,7 +115,7 @@ func main() {
 }
 
 func ContinuePrompt(prev string) (string, error) {
-	fmt.Printf("> ")
+	fmt.Print(multilinePrompt)
 
 	reader := bufio.NewReader(os.Stdin)
 

shell.go

@@ -162,7 +162,7 @@ func StartMultiline(prev string, sb *strings.Builder) bool {
 	// save input from previous prompts
 	if sb.String() == "" { sb.WriteString(prev + "\n") }
 
-	fmt.Printf("sh> ")
+	fmt.Print(multilinePrompt)
 
 	reader := bufio.NewReader(os.Stdin)