From d844b8dc227a1d06840d717f21fb873d5f12ab52 Mon Sep 17 00:00:00 2001
From: sammyette <torchedsammy@gmail.com>
Date: Tue, 11 Jul 2023 13:45:18 -0400
Subject: [PATCH] fix: crashes on alias arg substitution

- ignore 0 index in arg substitution
- fix out of bounds check
---
 aliases.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/aliases.go b/aliases.go
index a440f90..258f3e6 100644
--- a/aliases.go
+++ b/aliases.go
@@ -54,12 +54,12 @@ func (a *aliasModule) Resolve(cmdstr string) string {
 	for a.aliases[args[0]] != "" {
 		alias := a.aliases[args[0]]
 		alias = arg.ReplaceAllStringFunc(alias, func(a string) string {
-			if strings.HasPrefix(a, "\\") {
+			idx, _ := strconv.Atoi(a[1:])
+			if strings.HasPrefix(a, "\\") || idx == 0 {
 				return strings.TrimPrefix(a, "\\")
 			}
 
-			idx, _ := strconv.Atoi(a[1:])
-			if idx > len(args) {
+			if idx + 1 > len(args) {
 				return a
 			}
 			val := args[idx]