From 3f07885b351748c5b8225aadb165f8ef7066f047 Mon Sep 17 00:00:00 2001
From: Skyler Hawthorne
Date: Fri, 16 Sep 2022 23:17:48 -0400
Subject: document should save even if formatter fails

---
 helix-term/src/application.rs | 15 +++++----------
 helix-term/src/commands.rs    | 27 +++++++++++++++------------
 helix-term/src/main.rs        | 12 +++++++++++-
 3 files changed, 31 insertions(+), 23 deletions(-)

(limited to 'helix-term/src')

diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index fe53d73d..4fde2a66 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -1,7 +1,6 @@
 use arc_swap::{access::Map, ArcSwap};
 use futures_util::Stream;
 use helix_core::{
-    config::{default_syntax_loader, user_syntax_loader},
     diagnostic::{DiagnosticTag, NumberOrString},
     path::get_relative_path,
     pos_at_coords, syntax, Selection,
@@ -110,7 +109,11 @@ fn restore_term() -> Result<(), Error> {
 }
 
 impl Application {
-    pub fn new(args: Args, config: Config) -> Result<Self, Error> {
+    pub fn new(
+        args: Args,
+        config: Config,
+        syn_loader_conf: syntax::Configuration,
+    ) -> Result<Self, Error> {
         #[cfg(feature = "integration")]
         setup_integration_logging();
 
@@ -137,14 +140,6 @@ impl Application {
             })
             .unwrap_or_else(|| theme_loader.default_theme(true_color));
 
-        let syn_loader_conf = user_syntax_loader().unwrap_or_else(|err| {
-            eprintln!("Bad language config: {}", err);
-            eprintln!("Press <ENTER> to continue with default language config");
-            use std::io::Read;
-            // This waits for an enter press.
-            let _ = std::io::stdin().read(&mut []);
-            default_syntax_loader()
-        });
         let syn_loader = std::sync::Arc::new(syntax::Loader::new(syn_loader_conf));
 
         let mut compositor = Compositor::new().context("build compositor")?;
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 6deecbe2..f6d583f5 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -2518,7 +2518,8 @@ async fn make_format_callback(
     format: impl Future<Output = Result<Transaction, FormatterError>> + Send + 'static,
     write: Option<(Option<PathBuf>, bool)>,
 ) -> anyhow::Result<job::Callback> {
-    let format = format.await?;
+    let format = format.await;
+
     let call: job::Callback = Callback::Editor(Box::new(move |editor| {
         if !editor.documents.contains_key(&doc_id) {
             return;
@@ -2528,19 +2529,21 @@ async fn make_format_callback(
         let doc = doc_mut!(editor, &doc_id);
         let view = view_mut!(editor);
 
-        if doc.version() == doc_version {
-            apply_transaction(&format, doc, view);
-            doc.append_changes_to_history(view.id);
-            doc.detect_indent_and_line_ending();
-            view.ensure_cursor_in_view(doc, scrolloff);
+        if let Ok(format) = format {
+            if doc.version() == doc_version {
+                apply_transaction(&format, doc, view);
+                doc.append_changes_to_history(view.id);
+                doc.detect_indent_and_line_ending();
+                view.ensure_cursor_in_view(doc, scrolloff);
+            } else {
+                log::info!("discarded formatting changes because the document changed");
+            }
+        }
 
-            if let Some((path, force)) = write {
-                if let Err(err) = doc.save(path, force) {
-                    editor.set_error(format!("Error saving: {}", err));
-                }
+        if let Some((path, force)) = write {
+            if let Err(err) = doc.save(path, force) {
+                editor.set_error(format!("Error saving: {}", err));
             }
-        } else {
-            log::info!("discarded formatting changes because the document changed");
         }
     }));
 
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index 726bf9e3..96b695c6 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -139,8 +139,18 @@ FLAGS:
         Err(err) => return Err(Error::new(err)),
     };
 
+    let syn_loader_conf = helix_core::config::user_syntax_loader().unwrap_or_else(|err| {
+        eprintln!("Bad language config: {}", err);
+        eprintln!("Press <ENTER> to continue with default language config");
+        use std::io::Read;
+        // This waits for an enter press.
+        let _ = std::io::stdin().read(&mut []);
+        helix_core::config::default_syntax_loader()
+    });
+
     // TODO: use the thread local executor to spawn the application task separately from the work pool
-    let mut app = Application::new(args, config).context("unable to create new application")?;
+    let mut app = Application::new(args, config, syn_loader_conf)
+        .context("unable to create new application")?;
 
     let exit_code = app.run(&mut EventStream::new()).await?;
 
-- 
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