From a0f7fb7952442de57d96ace030a70677e99f293e Mon Sep 17 00:00:00 2001
From: Tunglies <77394545+Tunglies@users.noreply.github.com>
Date: Thu, 6 Nov 2025 10:52:14 +0800
Subject: [PATCH] refactor: update linting rules and optimize directory
 handling in Unix

---
 src-tauri/Cargo.toml        | 5 ++++-
 src-tauri/src/utils/dirs.rs | 5 +++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 404dccb1..157f3d2a 100755
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -238,4 +238,7 @@ redundant_clone = "deny"
 # option_if_let_else = "deny" // 过于激进，暂时不开启
 needless_pass_by_ref_mut = "deny"
 needless_collect = "deny"
-missing_const_for_fn = "deny"
\ No newline at end of file
+missing_const_for_fn = "deny"
+iter_with_drain = "deny"
+iter_on_single_items = "deny"
+iter_on_empty_collections = "deny"
\ No newline at end of file
diff --git a/src-tauri/src/utils/dirs.rs b/src-tauri/src/utils/dirs.rs
index 18ea6fac..56c74f2b 100644
--- a/src-tauri/src/utils/dirs.rs
+++ b/src-tauri/src/utils/dirs.rs
@@ -6,6 +6,8 @@ use crate::{
 use anyhow::Result;
 use async_trait::async_trait;
 use once_cell::sync::OnceCell;
+#[cfg(unix)]
+use std::iter;
 use std::{fs, path::PathBuf};
 use tauri::Manager;
 
@@ -226,8 +228,7 @@ pub fn get_encryption_key() -> Result<Vec<u8>> {
 
 #[cfg(unix)]
 pub fn ensure_mihomo_safe_dir() -> Option<PathBuf> {
-    ["/tmp"]
-        .iter()
+    iter::once("/tmp")
         .map(PathBuf::from)
         .find(|path| path.exists())
         .or_else(|| {