From aca0f66688bb899faf63ae79fe38f8ff4c507ac9 Mon Sep 17 00:00:00 2001
From: Tw93 <tw93@qq.com>
Date: Wed, 31 Dec 2025 02:25:09 +0000
Subject: [PATCH] chore: auto format code

---
 lib/clean/system.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/clean/system.sh b/lib/clean/system.sh
index 5960ab5..8ab8488 100644
--- a/lib/clean/system.sh
+++ b/lib/clean/system.sh
@@ -301,7 +301,7 @@ clean_local_snapshots() {
     [[ ${#snapshots[@]} -eq 0 ]] && return 0
     [[ -z "$newest_name" ]] && return 0
 
-    local deletable_count=$(( ${#snapshots[@]} - 1 ))
+    local deletable_count=$((${#snapshots[@]} - 1))
     [[ $deletable_count -le 0 ]] && return 0
 
     if [[ "$DRY_RUN" != "true" ]]; then