Detect filetype on :write (#1141)

fixes #1136

* removed a log::info

* removed temp.rs

* cargo clippy no longer complains

* new get_lang_server function

* get_lang_server is now launch_language_server

* launch_lang_server will now close the previous one

* better code readability

* remove resfresh_ls(and a wrong comment)

1 files changed, 6 insertions, 1 deletions

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index ff8d7a4f..8e57ef30 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1907,7 +1907,7 @@ mod cmd {
         let jobs = &mut cx.jobs;
         let (_, doc) = current!(cx.editor);
 
-        if let Some(path) = path {
+        if let Some(ref path) = path {
             doc.set_path(Some(path.as_ref()))
                 .context("invalid filepath")?;
         }
@@ -1927,6 +1927,11 @@ mod cmd {
         });
         let future = doc.format_and_save(fmt);
         cx.jobs.add(Job::new(future).wait_before_exiting());
+
+        if path.is_some() {
+            let id = doc.id();
+            let _ = cx.editor.refresh_language_server(id);
+        }
         Ok(())
     }