somehow it works lmao

flake.lock

@@ -6,11 +6,11 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1673072488,
-        "narHash": "sha256-oSlrgIlaZEcBrH9o6ujCtuzvULB7w5MrQl1Xccsl9Is=",
+        "lastModified": 1675491720,
+        "narHash": "sha256-GvCVyzK3QDB0zI5tT+Y2Ih17K7SyFdiOIC+89e4Rz18=",
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "2fa6ef94550e2e8b5e47fa3b0655edcacbb65cb6",
+        "rev": "0d5be3409a8558919aaff62370fee8e3b65425b9",
         "type": "github"
       },
       "original": {
@@ -35,11 +35,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1672953546,
-        "narHash": "sha256-oz757DnJ1ITvwyTovuwG3l9cX6j9j6/DH9eH+cXFJmc=",
+        "lastModified": 1675362331,
+        "narHash": "sha256-VmcnKPj5gJLxWK7Bxlhg2LoQvhKRss7Ax+uoFjd3qKY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "a518c77148585023ff56022f09c4b2c418a51ef5",
+        "rev": "a100acd7bbf105915b0004427802286c37738fef",
         "type": "github"
       },
       "original": {
@@ -73,11 +73,11 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1673025936,
-        "narHash": "sha256-Dm2qLfxAEqrfz9CE6w1jlEZdfNLFeAkC/mcb4xwUQQE=",
+        "lastModified": 1675422954,
+        "narHash": "sha256-rvfDelP5ev3STKLofL6EfFAce1umPRnMvR6JbCL0b/s=",
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "f1a99014b356c6aa41a69ceecf1f8cc68d901006",
+        "rev": "3bc33c7e9f041c5aef69a5c33b3d29d19a341ece",
         "type": "github"
       },
       "original": {

flake.nix

@@ -20,9 +20,16 @@
 
         devShell = pkgs.mkShell {
           inputsFrom = with packages; [ asciinema ];
-          packages = (with pkgs; [ cargo-watch cargo-deny cargo-edit ])
-            ++ (with toolchain; [ cargo rustc rustfmt ]);
-          CARGO_UNSTABLE_SPARSE_REGISTRY = "true";
+
+          packages = (with pkgs; [
+            asciinema
+            cargo-watch
+            cargo-deny
+            cargo-edit
+
+            # Get the nightly version of rustfmt so we can wrap comments
+            pkgs.fenix.default.rustfmt
+          ]) ++ (with toolchain; [ cargo rustc rustfmt ]);
         };
       });
 }

rustfmt.toml

@@ -1,2 +1,3 @@
 max_width = 80
 tab_spaces = 2
+wrap_comments = true

src/lib.rs

@@ -6,8 +6,8 @@ extern crate serde_derive;
 extern crate tracing;
 
 pub mod asciicast;
-pub mod recorder;
 mod raw_term;
+pub mod recorder;
 // pub mod recorder;
 // pub mod term;
 // pub mod writer;

src/main.rs

@@ -30,7 +30,6 @@ fn record() -> Result<()> {
   let mut file = File::create("output.cast")?;
 
   let mut command = Command::new("zsh");
-  // command.arg("bash");
   command.env("TERM", "xterm-256color");
 
   // Write header

src/raw_term.rs

@@ -7,6 +7,7 @@ use nix::sys::termios::Termios;
 pub struct RawTerm(RawFd, Termios);
 
 impl RawTerm {
+  /// Put the terminal into raw mode.
   pub fn init(fd: RawFd) -> Result<Self> {
     use nix::sys::termios::*;
     let saved_mode = tcgetattr(fd)?;

src/recorder.rs

@@ -3,25 +3,22 @@
 use std::env;
 use std::ffi::CString;
 use std::io::stdin;
-use std::os::unix::prelude::{AsFd, AsRawFd, OsStrExt, RawFd};
-use std::process::{Command, Stdio};
+use std::os::unix::prelude::{AsRawFd, OsStrExt};
+use std::process::Command;
 use std::sync::mpsc::{self, Receiver, Sender};
 use std::time::Instant;
 
 use anyhow::{Context, Result};
-use libc::{O_RDWR, STDERR_FILENO, STDIN_FILENO, STDOUT_FILENO};
+use libc::{STDERR_FILENO, STDIN_FILENO, STDOUT_FILENO};
 use nix::fcntl::{open, OFlag};
-use nix::pty::{openpty, OpenptyResult};
-use nix::sys::termios::{
-  ControlFlags, InputFlags, LocalFlags, OutputFlags, SetArg,
-};
+use nix::pty::openpty;
+
 use nix::sys::{
   select::{select, FdSet},
   stat::Mode,
-  termios,
 };
 use nix::unistd::{
-  close, dup, dup2, execvp, execvpe, fork, fsync, read, setsid, ttyname, write,
+  close, dup, dup2, execvpe, fork, fsync, read, setsid, ttyname, write,
   ForkResult,
 };
 
@@ -81,7 +78,7 @@ impl Terminal {
     eprintln!("Starting child process...");
 
     // Spawn the child
-    let child_pid = match unsafe { fork() } {
+    let _child_pid = match unsafe { fork() } {
       Ok(ForkResult::Parent { child }) => {
         info!(
           child_pid = child.as_raw(),
@@ -147,8 +144,8 @@ impl Terminal {
       // Master is ready for read, which means child process stdout has data
       // (child process stdout) -> (pty.slave) -> (pty.master)
       if read_fd_set.contains(pty.master) {
-        // TODO: This line trips if the child process dies from, say, Ctrl+D. Need to catch this
-        // somehow and gracefully react to it.
+        // TODO: This line trips if the child process dies from, say, Ctrl+D.
+        // Need to catch this somehow and gracefully react to it.
         // Possibly signals would be a good solution here?
         let bytes_read =
           read(pty.master, &mut buf).context("Read from master")?;

src/term.rs

@@ -1 +0,0 @@
-