fix: crash after open_commit_editor on Windows

Use a dedicated OpenCommitEditor event, keep the commit popup visible,
and disable raw mode while the external editor runs so the terminal is
restored before committing.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app.rs

@@ -119,6 +119,7 @@ pub struct App {
 	// "Flags"
 	requires_redraw: Cell<bool>,
 	file_to_open: Option<String>,
+	open_commit_editor: bool,
 }
 
 pub struct Environment {
@@ -244,6 +245,7 @@ impl App {
 			key_config: env.key_config,
 			requires_redraw: Cell::new(false),
 			file_to_open: None,
+			open_commit_editor: false,
 			repo: env.repo,
 			repo_path_text,
 			popup_stack: PopupStack::default(),
@@ -371,17 +373,19 @@ impl App {
 		} else if let InputEvent::State(polling_state) = ev {
 			self.external_editor_popup.hide();
 			if matches!(polling_state, InputState::Paused) {
-				let result =
-					if let Some(path) = self.file_to_open.take() {
-						ExternalEditorPopup::open_file_in_editor(
-							&self.repo.borrow(),
-							Path::new(&path),
-						)
-					} else {
-						let changes =
-							self.status_tab.get_files_changes()?;
-						self.commit_popup.show_editor(changes)
-					};
+				let result = if self.open_commit_editor {
+					self.open_commit_editor = false;
+					let changes =
+						self.status_tab.get_files_changes()?;
+					self.commit_popup.show_editor(changes)
+				} else if let Some(path) = self.file_to_open.take() {
+					ExternalEditorPopup::open_file_in_editor(
+						&self.repo.borrow(),
+						Path::new(&path),
+					)
+				} else {
+					Ok(())
+				};
 
 				if let Err(e) = result {
 					let msg =
@@ -816,11 +820,19 @@ impl App {
 				}
 			}
 			InternalEvent::OpenExternalEditor(path) => {
+				self.open_commit_editor = false;
 				self.input.set_polling(false);
 				self.external_editor_popup.show()?;
 				self.file_to_open = path;
 				flags.insert(NeedsUpdate::COMMANDS);
 			}
+			InternalEvent::OpenCommitEditor => {
+				self.file_to_open = None;
+				self.open_commit_editor = true;
+				self.input.set_polling(false);
+				self.external_editor_popup.show()?;
+				flags.insert(NeedsUpdate::COMMANDS);
+			}
 			InternalEvent::Push(branch, push_type, force, delete) => {
 				self.push_popup
 					.push(branch, push_type, force, delete)?;

src/popups/commit.rs

@@ -586,10 +586,7 @@ impl Component for CommitPopup {
 						e,
 						self.key_config.keys.open_commit_editor,
 					) {
-						self.queue.push(
-							InternalEvent::OpenExternalEditor(None),
-						);
-						self.hide();
+						self.queue.push(InternalEvent::OpenCommitEditor);
 						true
 					} else if key_match(
 						e,

src/popups/externaleditor.rs

@@ -14,7 +14,10 @@ use asyncgit::sync::{
 };
 use crossterm::{
 	event::Event,
-	terminal::{EnterAlternateScreen, LeaveAlternateScreen},
+	terminal::{
+		disable_raw_mode, enable_raw_mode, is_raw_mode_enabled,
+		EnterAlternateScreen, LeaveAlternateScreen,
+	},
 	ExecutableCommand,
 };
 use ratatui::{
@@ -61,9 +64,21 @@ impl ExternalEditorPopup {
 			bail!("file not found: {path:?}");
 		}
 
+		let raw_mode_enabled = is_raw_mode_enabled()?;
+		if raw_mode_enabled {
+			disable_raw_mode()?;
+		}
+
 		io::stdout().execute(LeaveAlternateScreen)?;
 		defer! {
-			io::stdout().execute(EnterAlternateScreen).expect("reset terminal");
+			if let Err(e) = io::stdout().execute(EnterAlternateScreen) {
+				log::error!("failed to re-enter alternate screen: {e}");
+			}
+			if raw_mode_enabled {
+				if let Err(e) = enable_raw_mode() {
+					log::error!("failed to re-enable raw mode: {e}");
+				}
+			}
 		}
 
 		let environment_options = ["GIT_EDITOR", "VISUAL", "EDITOR"];

src/queue.rs

@@ -123,6 +123,8 @@ pub enum InternalEvent {
 	///
 	OpenExternalEditor(Option<String>),
 	///
+	OpenCommitEditor,
+	///
 	Push(String, PushType, bool, bool),
 	///
 	Pull(String),