fix: add back prompt global var

fixes an issue with multiline prompt overriding user's prompt
permanently

api.go

@@ -175,7 +175,7 @@ These will be formatted and replaced with the appropriate values.
 --- @param str string
 */
 func hlprompt(L *lua.LState) int {
-	prompt := L.CheckString(1)
+	prompt = L.CheckString(1)
 	lr.SetPrompt(fmtPrompt(prompt))
 
 	return 0
@@ -386,7 +386,7 @@ func hlwhich(L *lua.LState) int {
 		l.Push(lua.LNil)
 		return 1
 	}
-	
+
 	l.Push(lua.LString(path))
 	return 1
 }

history.go

@@ -71,5 +71,5 @@ func (h *fileHistory) Len() int {
 }
 
 func (h *fileHistory) Dump() interface{} {
-	return nil
+	return h.items
 }

main.go

@@ -40,7 +40,7 @@ func main() {
 	confDir, _ = os.UserConfigDir()
 	preloadPath = strings.Replace(preloadPath, "~", homedir, 1)
 	sampleConfPath = strings.Replace(sampleConfPath, "~", homedir, 1)
-	
+
 	// i honestly dont know what directories to use for this
 	switch runtime.GOOS {
 	case "linux":
@@ -165,6 +165,7 @@ func main() {
 
 input:
 	for interactive {
+		lr.SetPrompt(fmtPrompt(prompt))
 		running = false
 
 		input, err := lr.Read()

vars.go

@@ -7,6 +7,7 @@ var (
 	defaultHistDir = ""
 	commonRequirePaths = "';./libs/?/init.lua;./?/init.lua;./?/?.lua'"
 
+	prompt string
 	multilinePrompt = "> "
 )