From 17924e04d5d79fe4e08cceff4f375375d47b7060 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Wed, 22 Sep 2021 14:56:16 +0200
Subject: [PATCH] Fix search for Cargo configuration

---
 src/lib.rs | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index cd62740..5601db3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -78,8 +78,18 @@ impl Project {
         // parse .cargo/config
         let mut target = None;
         let mut target_dir = env::var_os("CARGO_TARGET_DIR").map(PathBuf::from);
-        if let Some(path) = search(root, &cargo_config).map(|path| path.join(cargo_config)).or_else(|| {
-            search(root, &cargo_config_toml).map(|path| path.join(cargo_config_toml))
+        if let Some(path) = path.ancestors().find_map(|dir| {
+            let path = dir.join(&cargo_config);
+            if path.exists() {
+                return Some(path);
+            }
+
+            let path = dir.join(&cargo_config_toml);
+            if path.exists() {
+                return Some(path);
+            }
+
+            None
         }) {
             let config: Config = parse(&path)?;