Emma Thorpe a0dcb258c9 fix(tmux): use tmux-256color (not tmux-direct); add NO_TMUX hatch
tmux-direct as default-terminal desyncs zsh's line redraw on some
terminals (iTerm2: duplicated characters on Tab, stray newlines). Switch
to the standard tmux-256color and advertise truecolor per outer terminal
via terminal-features (add xterm-256color:RGB alongside the foot ones).

Also add a NO_TMUX escape hatch to the auto-start guard, so
`NO_TMUX=1 <terminal>` opens a bare shell.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-10 14:04:45 +01:00

nixfiles

NixOS / nix-darwin / home-manager configuration for all hosts, built from a single flake.

Hosts

Defined in the host table in flake.nix:

Configuration System Machine
lyrathorpe-mbp aarch64-linux MacBook Pro (Apple Silicon, Asahi)
lyrathorpe-t400 x86_64-linux ThinkPad T400 — install notes
lyrathorpe-macpro31 x86_64-linux Mac Pro 3,1, desktop — install notes
emmathorpe-edaas x86_64-linux Work WSL box (NixOS-WSL)
lyrathorpe-mac aarch64-darwin macOS (nix-darwin)

Shared layers: lyrathorpe/home (home-manager: shell, git, editor), system/modules/common-nixos.nix (all NixOS hosts), and system/modules/laptop.nix (the physical laptops).

Applying

# NixOS
sudo nixos-rebuild switch --flake .#<configuration>
# Darwin
darwin-rebuild switch --flake .#lyrathorpe-mac

Shell environment & keybindings

Login / greeter

Graphical (Sway) hosts log in through a Wayland greeter — greetd running ReGreet inside the cage kiosk compositor — configured centrally in lyrathorpe/swaywm.nix, gated on features.swayDesktop.enable. The greeter is forced to Dvorak to match the console and Sway session. Hosts with features.swayDesktop.enable = false (the WSL work box) keep plain TTY login. The target account needs a password (passwd <user>) before it can log in.

MacBook (Asahi) firmware

The MBP host references system/modules/firmware/ for Apple peripheral firmware (Wi-Fi/Bluetooth). Those blobs are not redistributable, so the directory is gitignored and a clean checkout will not build lyrathorpe-mbp until it is populated out-of-band.

Copy the firmware extracted during the Asahi install (from /etc/nixos/firmware on the freshly-installed machine, or re-extract per the Asahi NixOS docs) into system/modules/firmware/ before rebuilding that host.

CI

.gitea/workflows/ci.yaml gates nixfmt formatting and evaluates every NixOS and Darwin host configuration on push/PR.

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