fix: use hilbish.home instead of home env var

this fixes a register underflow issue if a commander causes an error

preload.lua

@@ -10,7 +10,6 @@ if shlvl ~= nil then os.setenv('SHLVL', shlvl + 1) else os.setenv('SHLVL', 1) en
 
 -- Builtins
 commander.register('cd', function (args)
-	bait.throw('cd', args)
 	if #args > 0 then
 		local path = ''
 		for i = 1, #args do
@@ -32,9 +31,11 @@ commander.register('cd', function (args)
 			end
 			return err
 		end
+		bait.throw('cd', path)
 		return
 	end
-	fs.cd(os.getenv 'HOME')
+	fs.cd(hilbish.home)
+	bait.throw('cd', hilbish.home)
 
 	return
 end)

shell.go

@@ -56,6 +56,12 @@ func RunInput(input string) {
 			NRet:    1,
 			Protect: true,
 		}, luar.New(l, cmdArgs[1:]))
+		if err != nil {
+			fmt.Fprintln(os.Stderr,
+				"Error in command:\n\n" + err.Error())
+			hooks.Em.Emit("command.exit", 1)
+			return
+		}
 		luaexitcode := l.Get(-1)
 		var exitcode uint8 = 0
 
@@ -65,10 +71,6 @@ func RunInput(input string) {
 			exitcode = uint8(code)
 		}
 
-		if err != nil {
-			fmt.Fprintln(os.Stderr,
-				"Error in command:\n\n" + err.Error())
-		}
 		hooks.Em.Emit("command.exit", exitcode)
 		return
 	}