From c9418582d2a6d8dbb8b5bb1d3432a9087438e61d Mon Sep 17 00:00:00 2001
From: Skyler Hawthorne <skyler@dead10ck.com>
Date: Tue, 5 Jul 2022 00:15:15 -0400
Subject: [PATCH] fix modified status with auto format

---
 helix-term/src/commands.rs       | 17 +++++++++++++++-
 helix-term/src/commands/typed.rs | 35 +++++++++++++++++---------------
 helix-view/src/document.rs       |  1 +
 3 files changed, 36 insertions(+), 17 deletions(-)

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index a4421f034..e76e0280c 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -52,7 +52,7 @@ use crate::{
 };
 
 use crate::job::{self, Jobs};
-use futures_util::{FutureExt, StreamExt};
+use futures_util::StreamExt;
 use std::{collections::HashMap, fmt, future::Future};
 use std::{collections::HashSet, num::NonZeroUsize};
 
@@ -2513,6 +2513,7 @@ async fn make_format_callback(
     doc_id: DocumentId,
     doc_version: i32,
     format: impl Future<Output = Result<Transaction, FormatterError>> + Send + 'static,
+    write: Option<(Option<PathBuf>, bool)>,
 ) -> anyhow::Result<job::Callback> {
     let format = format.await?;
     let call: job::Callback = Box::new(move |editor, _compositor| {
@@ -2523,11 +2524,25 @@ async fn make_format_callback(
         let scrolloff = editor.config().scrolloff;
         let doc = doc_mut!(editor, &doc_id);
         let view = view_mut!(editor);
+        let loader = editor.syn_loader.clone();
+
         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 Some((path, force)) = write {
+                let refresh_lang = path.is_some();
+
+                if let Err(err) = doc.save(path, force) {
+                    editor.set_error(format!("Error saving: {}", err));
+                } else if refresh_lang {
+                    let id = doc.id();
+                    doc.detect_language(loader);
+                    let _ = editor.refresh_language_server(id);
+                }
+            }
         } else {
             log::info!("discarded formatting changes because the document changed");
         }
diff --git a/helix-term/src/commands/typed.rs b/helix-term/src/commands/typed.rs
index 650ff75dc..955b3b588 100644
--- a/helix-term/src/commands/typed.rs
+++ b/helix-term/src/commands/typed.rs
@@ -267,30 +267,32 @@ fn write_impl(
     path: Option<&Cow<str>>,
     force: bool,
 ) -> anyhow::Result<()> {
-    let auto_format = cx.editor.config().auto_format;
+    let editor_auto_fmt = cx.editor.config().auto_format;
     let jobs = &mut cx.jobs;
     let doc = doc_mut!(cx.editor);
+    let path = path.map(AsRef::as_ref);
 
     if doc.path().is_none() {
         bail!("cannot write a buffer without a filename");
     }
-    let fmt = if auto_format {
+
+    let fmt = if editor_auto_fmt {
         doc.auto_format().map(|fmt| {
-            let shared = fmt.shared();
-            let callback = make_format_callback(doc.id(), doc.version(), shared.clone());
+            let callback = make_format_callback(
+                doc.id(),
+                doc.version(),
+                fmt,
+                Some((path.map(Into::into), force)),
+            );
+
             jobs.add(Job::with_callback(callback).wait_before_exiting());
-            shared
         })
     } else {
         None
     };
 
-    doc.format_and_save(fmt, path.map(AsRef::as_ref), force)?;
-
-    if path.is_some() {
-        let id = doc.id();
-        doc.detect_language(cx.editor.syn_loader.clone());
-        let _ = cx.editor.refresh_language_server(id);
+    if fmt.is_none() {
+        doc.save(path, force)?;
     }
 
     Ok(())
@@ -345,7 +347,7 @@ fn format(
 
     let doc = doc!(cx.editor);
     if let Some(format) = doc.format() {
-        let callback = make_format_callback(doc.id(), doc.version(), format);
+        let callback = make_format_callback(doc.id(), doc.version(), format, None);
         cx.jobs.callback(callback);
     }
 
@@ -592,16 +594,17 @@ fn write_all_impl(
 
         let fmt = if auto_format {
             doc.auto_format().map(|fmt| {
-                let shared = fmt.shared();
-                let callback = make_format_callback(doc.id(), doc.version(), shared.clone());
+                let callback =
+                    make_format_callback(doc.id(), doc.version(), fmt, Some((None, force)));
                 jobs.callback(callback);
-                shared
             })
         } else {
             None
         };
 
-        doc.format_and_save::<_, PathBuf>(fmt, None, force)?;
+        if fmt.is_none() {
+            doc.save::<PathBuf>(None, force)?;
+        }
     }
 
     if quit {
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 1743fac2b..fe0814428 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -14,6 +14,7 @@ use std::path::{Path, PathBuf};
 use std::str::FromStr;
 use std::sync::Arc;
 use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
+
 use tokio::sync::Mutex;
 
 use helix_core::{