fix: dont overwrite symlink (#2131)

CHANGELOG.md

@@ -34,6 +34,7 @@
 - [#2056](https://github.com/lapce/lapce/pull/2056): Fix default directory of remote session file picker
 - [#2072](https://github.com/lapce/lapce/pull/2072): Fix connection issues from Windows to lapce proxy
 - [#2069](https://github.com/lapce/lapce/pull/2045): Fix not finding git repositories in parent path
+- [#2131](https://github.com/lapce/lapce/pull/2131): Fix overwriting symlink
 
 ## 0.2.5
 

lapce-proxy/src/buffer.rs

@@ -54,20 +54,22 @@ pub fn save(&mut self, rev: u64) -> Result<()> {
                 ext
             },
         );
-        let tmp_path = &self.path.with_extension(tmp_extension);
+        let path = self.path.canonicalize()?;
+        let tmp_path = &path.with_extension(tmp_extension);
 
         let mut f = File::create(tmp_path)?;
         for chunk in self.rope.iter_chunks(..self.rope.len()) {
             f.write_all(chunk.as_bytes())?;
         }
 
-        if let Ok(metadata) = fs::metadata(&self.path) {
+        if let Ok(metadata) = fs::metadata(&path) {
             let perm = metadata.permissions();
             fs::set_permissions(tmp_path, perm)?;
         }
 
-        fs::rename(tmp_path, &self.path)?;
-        self.mod_time = get_mod_time(&self.path);
+        fs::rename(tmp_path, &path)?;
+        self.mod_time = get_mod_time(&path);
+
         Ok(())
     }