another try

abc.txt

@@ -0,0 +1,133 @@
+warning: unused variable: `release`
+  --> build.rs:32:9
+   |
+32 |     let release = if var("PROFILE").unwrap() == "release" {
+   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_release`
+   |
+   = note: `#[warn(unused_variables)]` on by default
+
+warning: unused `std::result::Result` that must be used
+  --> build.rs:41:9
+   |
+41 |         set_current_dir(&path);
+   |         ^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `#[warn(unused_must_use)]` on by default
+   = note: this `Result` may be an `Err` variant, which should be handled
+
+warning: unused `std::result::Result` that must be used
+  --> build.rs:61:5
+   |
+61 |     set_current_dir(&starting_dir);
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: this `Result` may be an `Err` variant, which should be handled
+
+warning: 3 warnings emitted
+
+warning: unused import: `crate::utils::logging::debug_log_to_file`
+ --> src/common/wasm_vm.rs:8:5
+  |
+8 | use crate::utils::logging::debug_log_to_file;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  |
+  = note: `#[warn(unused_imports)]` on by default
+
+warning: unused import: `crate::layout::Layout`
+ --> src/server/mod.rs:8:5
+  |
+8 | use crate::layout::Layout;
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
+warning: unused import: `ipc`
+  --> src/main.rs:11:35
+   |
+11 |     command_is_executing, errors, ipc, os_input_output, pty_bus, screen, start, utils, wasm_vm,
+   |                                   ^^^
+
+warning: unused variable: `ipc_thread`
+   --> src/common/mod.rs:191:9
+    |
+191 |     let ipc_thread = start_server(
+    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ipc_thread`
+    |
+    = note: `#[warn(unused_variables)]` on by default
+
+warning: unused variable: `err_ctx`
+   --> src/common/pty_bus.rs:294:72
+    |
+294 |     pub fn spawn_terminals_for_layout(&mut self, layout_path: PathBuf, err_ctx: ErrorContext) {
+    |                                                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_ctx`
+
+warning: unused variable: `err_ctx`
+   --> src/common/pty_bus.rs:314:46
+    |
+314 |     pub fn close_pane(&mut self, id: PaneId, err_ctx: ErrorContext) {
+    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_err_ctx`
+
+warning: unused variable: `maybe_layout`
+  --> src/server/mod.rs:42:9
+   |
+42 |     let maybe_layout = opts.layout.or(default_layout);
+   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maybe_layout`
+
+warning: variable does not need to be mutable
+  --> src/server/mod.rs:24:5
+   |
+24 |     mut send_app_instructions: SenderWithContext<AppInstruction>,
+   |     ----^^^^^^^^^^^^^^^^^^^^^
+   |     |
+   |     help: remove this `mut`
+   |
+   = note: `#[warn(unused_mut)]` on by default
+
+warning: variable does not need to be mutable
+  --> src/server/mod.rs:28:9
+   |
+28 |     let mut send_pty_instructions = SenderWithContext::new(
+   |         ----^^^^^^^^^^^^^^^^^^^^^
+   |         |
+   |         help: remove this `mut`
+
+warning: associated function is never used: `total_terminal_panes`
+   --> src/client/layout.rs:203:12
+    |
+203 |     pub fn total_terminal_panes(&self) -> usize {
+    |            ^^^^^^^^^^^^^^^^^^^^
+    |
+    = note: `#[warn(dead_code)]` on by default
+
+warning: function is never used: `start_client`
+ --> src/client/mod.rs:6:8
+  |
+6 | pub fn start_client() {}
+  |        ^^^^^^^^^^^^
+
+warning: enum is never used: `ServerToClientMsg`
+  --> src/common/ipc.rs:41:10
+   |
+41 | pub enum ServerToClientMsg {
+   |          ^^^^^^^^^^^^^^^^^
+
+warning: associated function is never used: `spawn_terminals_for_layout`
+   --> src/common/pty_bus.rs:294:12
+    |
+294 |     pub fn spawn_terminals_for_layout(&mut self, layout_path: PathBuf, err_ctx: ErrorContext) {
+    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+warning: unused `std::result::Result` that must be used
+    --> src/client/tab.rs:1904:9
+     |
+1904 | /         debug_log_to_file(format!(
+1905 | |             "set_pane_invisible_borders: {:?}",
+1906 | |             invisible_borders
+1907 | |         ));
+     | |___________^
+     |
+     = note: `#[warn(unused_must_use)]` on by default
+     = note: this `Result` may be an `Err` variant, which should be handled
+
+warning: 14 warnings emitted
+
+    Finished dev [unoptimized + debuginfo] target(s) in 0.17s
+     Running `target/debug/zellij`

src/common/errors.rs

@@ -64,7 +64,7 @@ pub fn handle_panic(
     };
 
     if thread == "main" {
-        eprintln!("{}", backtrace);
+        println!("{}", backtrace);
         process::exit(1);
     } else {
         send_app_instructions

src/common/mod.rs

@@ -141,11 +141,8 @@ impl IpcSenderWithContext {
     }
 
     pub fn send(&mut self, msg: ApiCommand) -> std::io::Result<()> {
-        eprintln!("Ipcsender sending {:?}", msg);
         let command = bincode::serialize(&(self.err_ctx, msg)).unwrap();
-        UnixStream::connect(MOSAIC_IPC_PIPE)
-            .unwrap()
-            .write_all(&command)
+        self.sender.write_all(&command)
     }
 }
 
@@ -573,11 +570,10 @@ pub fn start(mut os_input: Box<dyn OsApi>, opts: CliArgs, config: Config) {
                 os_input.unset_raw_mode(0);
                 let goto_start_of_last_line = format!("\u{1b}[{};{}H", full_screen_ws.rows, 1);
                 let error = format!("{}\n{}", goto_start_of_last_line, backtrace);
-                //let _ = os_input
-                //    .get_stdout_writer()
-                //    .write(error.as_bytes())
-                //    .unwrap();
-                eprintln!("{}", error);
+                let _ = os_input
+                    .get_stdout_writer()
+                    .write(error.as_bytes())
+                    .unwrap();
                 std::process::exit(1);
             }
             AppInstruction::ToScreen(instruction) => {

src/server/mod.rs

@@ -90,15 +90,15 @@ pub fn start_server(
 							.unwrap();
 					}
 					PtyInstruction::NewTab => {
-						//if let Some(layout) = maybe_layout.clone() {
-						//    pty_bus.spawn_terminals_for_layout(layout, err_ctx);
-						//} else {
+						if let Some(layout) = maybe_layout.clone() {
+							pty_bus.spawn_terminals_for_layout(layout, err_ctx);
+						} else {
 							let pid = pty_bus.spawn_terminal(None);
 							pty_bus
 								.send_server_instructions
 								.send(ApiCommand::ToScreen(ScreenInstruction::NewTab(pid)))
 								.unwrap();
-						//}
+						}
 					}
 					PtyInstruction::ClosePane(id) => {
 						pty_bus.close_pane(id, err_ctx);
@@ -120,15 +120,14 @@ pub fn start_server(
 		.name("ipc_server".to_string())
 		.spawn({
 			move || {
-				let mut threads = vec![];
 				for stream in listener.incoming() {
 					match stream {
 						Ok(stream) => {
 							let send_app_instructions = send_app_instructions.clone();
 							let send_pty_instructions = send_pty_instructions.clone();
-							threads.push(thread::spawn(move || {
+							thread::spawn(move || {
 								handle_stream(send_pty_instructions, send_app_instructions, stream);
-							}));
+							});
 						}
 						Err(err) => {
 							panic!("err {:?}", err);
@@ -137,9 +136,6 @@ pub fn start_server(
 				}
 
 				let _ = pty_thread.join();
-				for t in threads {
-					t.join();
-				}
 			}
 		})
 		.unwrap()
@@ -150,21 +146,17 @@ fn handle_stream(
 	mut send_app_instructions: SenderWithContext<AppInstruction>,
 	mut stream: std::os::unix::net::UnixStream,
 ) {
-	//let mut buffer = [0; 65535]; // TODO: more accurate
-	let mut buffer = String::new();
+	let mut buffer = [0; 65535]; // TODO: more accurate
 	loop {
 		let bytes = stream
-			.read_to_string(&mut buffer)
+			.read(&mut buffer)
 			.expect("failed to parse ipc message");
-		//let astream = stream.try_clone().unwrap();
 		let (mut err_ctx, decoded): (ErrorContext, ApiCommand) =
-			bincode::deserialize(buffer.as_bytes()).expect("failed to deserialize ipc message");
+			bincode::deserialize(&buffer[..bytes]).expect("failed to deserialize ipc message");
 		err_ctx.add_call(ContextType::IPCServer);
 		send_pty_instructions.update(err_ctx);
 		send_app_instructions.update(err_ctx);
 
-		eprintln!("Server received {:?}", decoded);
-
 		match decoded {
 			ApiCommand::OpenFile(file_name) => {
 				let path = PathBuf::from(file_name);