ddidderr 231ee35ea9 build: add reproducible macOS, Windows and wasm cross-check scripts
The non-Linux code paths can only be compile-checked on this machine;
agents had used ad-hoc wrapper setups. These scripts make the checks
reproducible and are wired into `just check-macos`, `check-windows`,
`check-wasm` and `check-all`:
- macos-crosscheck.sh: zig cc wrappers (dropping -arch/-mmacosx-
  version-min) plus a declaration-only os/log.h stub so the few C build
  scripts compile; clippy -D warnings on all 17 cross-platform crates
  for aarch64/x86_64-apple-darwin.
- windows-crosscheck.sh: mingw toolchain and a stub fontconfig.pc;
  clippy -D warnings for x86_64-pc-windows-gnu.
- wasm-check.sh: wasm32 clippy/build and the node-based wasm tests.

Also fixes a needless_pass_by_value lint in osbytes' non-Unix branch
that only the Windows check surfaces.

Test Plan:
- just check-macos; just check-macos x86_64-apple-darwin
- just check-windows; just check-wasm
2026-10-12 08:16:14 +02:00
2026-10-11 21:27:49 +02:00
2026-10-11 21:27:49 +02:00
2026-10-11 21:27:49 +02:00
2026-10-11 21:27:49 +02:00
2026-10-11 21:27:49 +02:00

ghostty-rs

A Rust rewrite of the Ghostty 1.3.1 terminal emulator for Linux (GTK4 + libadwaita, OpenGL).

It aims for behavioural parity with Ghostty: the same configuration file format, options, defaults and documentation; the same keybindings and actions; the same ghostty +action CLI; the same terminal emulation (including kitty keyboard/graphics protocols, OSC 8 hyperlinks, semantic prompts, synchronized output, tmux control mode); the same shell integration, themes and terminfo.

Out of scope: macOS, Windows, WASM, the embedded libghostty C API, and Sentry crash reporting (disabled by default on Linux upstream).

Building and running

Requirements: Rust (edition 2024), GTK ≥ 4.14, libadwaita ≥ 1.5, fontconfig, freetype, harfbuzz, Oniguruma, libepoxy, blueprint-compiler and glib-compile-resources at build time.

cargo run                      # open a terminal window running your shell
cargo run -- -e htop           # run a command
cargo run -- +list-themes      # CLI actions work like Ghostty's
cargo run --profile production # optimized build (LTO, no debug assertions)

Development builds find resources/ (shell integration, themes, terminfo) automatically. Your existing Ghostty config (~/.config/ghostty/config[.ghostty]) is used as-is.

Installing

just install /usr/local          # binary, share/ghostty, terminfo, desktop files,
                                 # completions, man pages, translations, icons
just install /usr false true     # system-package layout (lib/systemd/user)

Testing

just test      # cargo test --workspace (~3000 tests)
just clippy    # clippy with -D warnings

Every Zig test block of the ported files was ported to a Rust test. crates/ghostty-core/tests holds end-to-end tests that drive the real core, terminal and a real pty through a fake app runtime. ghostty-bench mirrors Ghostty's benchmark tool; terminal stream throughput is on par with the Zig build (see docs/rewrite/notes/perf-P1.md).

Documentation

  • docs/rewrite/ARCHITECTURE.md – top-down decomposition, crate map, key design decisions, intentional omissions
  • docs/rewrite/STATUS.md – work package history
  • docs/rewrite/notes/ – per-crate porting notes, deviations from Zig, audits and verification reports

License

MIT, like Ghostty. Bundled fonts and themes carry their own licenses (see crates/ghostty-font/res/ and resources/themes/).

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