From 3b22352d0d16034e112e58b032f1bf0fc1c818ba Mon Sep 17 00:00:00 2001
From: bhould287 <bhould287@gmail.com>
Date: Sat, 1 Apr 2023 21:29:05 +0100
Subject: [PATCH] Fix bug with getting parent directories in `lookup_conf_file`

---
 clippy_lints/src/utils/conf.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/clippy_lints/src/utils/conf.rs b/clippy_lints/src/utils/conf.rs
index 25626897b51..896a01af37d 100644
--- a/clippy_lints/src/utils/conf.rs
+++ b/clippy_lints/src/utils/conf.rs
@@ -478,7 +478,8 @@ pub fn lookup_conf_file() -> io::Result<(Option<PathBuf>, Vec<String>)> {
     // If neither of those exist, use ".".
     let mut current = env::var_os("CLIPPY_CONF_DIR")
         .or_else(|| env::var_os("CARGO_MANIFEST_DIR"))
-        .map_or_else(|| PathBuf::from("."), PathBuf::from);
+        .map_or_else(|| PathBuf::from("."), PathBuf::from)
+        .canonicalize()?;
 
     let mut found_config: Option<PathBuf> = None;
     let mut warnings = vec![];