Canonicalize CWD and GIT_ROOT paths

crates/prek/src/fs.rs

@@ -33,8 +33,11 @@ use tracing::{debug, error, info, trace};
 
 use crate::cli::reporter;
 
-pub static CWD: LazyLock<PathBuf> =
-    LazyLock::new(|| std::env::current_dir().expect("The current directory must be exist"));
+pub static CWD: LazyLock<PathBuf> = LazyLock::new(|| {
+    std::env::current_dir()
+        .map(|cwd| dunce::canonicalize(&cwd).unwrap_or(cwd))
+        .expect("The current directory must be exist")
+});
 
 static IN_PROCESS_LOCK_HELD_COUNTS: LazyLock<Mutex<FxHashMap<PathBuf, usize>>> =
     LazyLock::new(Default::default);

crates/prek/src/git.rs

@@ -34,9 +34,11 @@ pub(crate) static GIT: LazyLock<Result<PathBuf, which::Error>> =
     LazyLock::new(|| which::which("git"));
 
 pub(crate) static GIT_ROOT: LazyLock<Result<PathBuf, Error>> = LazyLock::new(|| {
-    get_root().inspect(|root| {
-        debug!("Git root: {}", root.display());
-    })
+    get_root()
+        .map(|root| dunce::canonicalize(&root).unwrap_or(root))
+        .inspect(|root| {
+            debug!("Git root: {}", root.display());
+        })
 });
 
 /// Remove some `GIT_` environment variables exposed by `git`.