fix: fix types not being re-exported

Code responsible for removing the file at the
destination has been removed which broke the
re-exporting of types. This commit reverts
that change, but also silences Windows errors
when removing the file.

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Fixed
 - Fix `self-upgrade` using the wrong path when doing a fresh download by @daimond113
+- Fix types not being re-exported by @daimond113
 
 ## [0.6.0-rc.2] - 2025-02-07
 ### Fixed

src/linking/mod.rs

@@ -34,11 +34,16 @@ async fn create_and_canonicalize<P: AsRef<Path>>(path: P) -> std::io::Result<Pat
 async fn write_cas(destination: PathBuf, cas_dir: &Path, contents: &str) -> std::io::Result<()> {
 	let hash = store_in_cas(cas_dir, contents.as_bytes()).await?;
 
-	match fs::hard_link(cas_path(&hash, cas_dir), destination).await {
-		Ok(_) => Ok(()),
-		Err(e) if e.kind() == std::io::ErrorKind::AlreadyExists => Ok(()),
-		Err(e) => Err(e),
-	}
+	match fs::remove_file(&destination).await {
+		Ok(_) => {}
+		Err(e) if e.kind() == std::io::ErrorKind::NotFound => {}
+		// TODO: investigate why this happens and whether we can avoid it without ignoring all PermissionDenied errors
+		#[cfg(windows)]
+		Err(e) if e.kind() == std::io::ErrorKind::PermissionDenied => {}
+		Err(e) => return Err(e),
+	};
+
+	fs::hard_link(cas_path(&hash, cas_dir), destination).await
 }
 
 #[derive(Debug, Clone, Copy)]