fix: set hilbish.exitCode to last command exit code

exec.go

@@ -14,7 +14,7 @@ import (
 	"syscall"
 	"time"
 
-//	"hilbish/util"
+	"hilbish/util"
 
 	rt "github.com/arnodel/golua/runtime"
 	"mvdan.cc/sh/v3/shell"
@@ -437,7 +437,7 @@ func cmdFinish(code uint8, cmdstr string, private bool) {
 	if interactive && !private {
 		handleHistory(cmdstr)
 	}
-//	util.SetField(l, hshMod, "exitCode", lua.LNumber(code), "Exit code of last exected command")
+	util.SetField(l, hshMod, "exitCode", rt.IntValue(int64(code)), "Exit code of last exected command")
 	// using AsValue (to convert to lua type) on an interface which is an int
 	// results in it being unknown in lua .... ????
 	// so we allow the hook handler to take lua runtime Values