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dotfiles/CLAUDE.md
DannyDannyDanny b311e21d5b feat(macos): Alacritty follows system light/dark appearance 
New setup — due for review after you run darwin-rebuild switch and
live with it for a few days. See CLAUDE.md (Alacritty) and
assets/alacritty/README.md.

- HM: import active-colors.toml + Catppuccin latte/mocha fragments
- nix-darwin: launchd.user.agents.alacritty-system-theme + PATH helper
- fish: background sync on Darwin; theme.sh no longer rebuilds for Alacritty
- Remove switch-alacritty-theme.sh (sed + darwin-rebuild per toggle)

Made-with: Cursor
2026-03-23 19:16:05 +01:00

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CLAUDE.md

Build commands

# macOS (from ~/dotfiles/nixos)
darwin-rebuild switch --flake .

# NixOS server (SSH from mac, or on server)
sudo nixos-rebuild switch --flake .#sunken-ship

# WSL
sudo nixos-rebuild switch --flake ~/dotfiles/nixos#wsl

# Update flake + rebuild (fish alias: nixupdate)
cd ~/dotfiles/nixos && sudo nix flake update && sudo darwin-rebuild switch --flake ~/dotfiles/nixos#Daniel-Macbook-Air

# Installer ISO (Linux only, cannot build on macOS)
cd ~/dotfiles/nixos && nix build .#installer-iso

Rebuild protocol

Never run rebuild commands automatically. When changing Nix config files, always ask the user to rebuild first. Do not assume packages are available until after a successful rebuild.

Flake architecture

  • Flake: nixos/flake.nix — single flake for all hosts
  • Inputs: nixpkgs-unstable, nix-darwin, home-manager, nixos-wsl, disko, zen-browser
  • Host configs in nixos/hosts/:
    • macos.nix — Apple Silicon MacBook Air (aarch64-darwin, nix-darwin)
    • sunken-ship.nix — NixOS home server (x86_64-linux)
    • wsl.nix — WSL (x86_64-linux)
    • macbookair.nix — old MacBook Air NixOS/WSL config
    • server-install.nix — disko-install target (LUKS + WiFi)
  • Home Manager: integrated via home-manager.darwinModules.home-manager on macOS; user config in nixos/home/danny/home.nix
  • Shared modules: nixos/fish.nix (fish + bash), nixos/tmux.nix, nixos/ollama.nix
  • Darwin config name: Daniel-Macbook-Air (must match in rebuild commands)

Repo rules

  • Public repo — no keys, tokens, or identifying secrets. Use scp or config outside the repo.
  • SSH keys: one key per purpose (e.g. id_ed25519_github, id_ed25519_servers). Use IdentityFile + IdentitiesOnly yes in ~/.ssh/config. Keys stay outside the repo.
  • Commit and push before testing on sunken-ship — the server clones/pulls from origin.

Server (sunken-ship)

  • SSH: ssh -i ~/.ssh/id_ed25519_sunken_ship danny@sunken-ship
  • Remote rebuild: ssh ... 'cd /etc/dotfiles/nixos && sudo nixos-rebuild switch --flake .#sunken-ship'
  • Auto-rebuild timer: dotfiles-rebuild — only active after flake config switch. Check with systemctl is-active dotfiles-rebuild.timer.
  • Server has WiFi; stays reachable when ethernet is unplugged.

Ollama

Custom nix-darwin module at nixos/ollama.nix (upstream PR not yet merged). Enabled on macOS via nixos/hosts/macos.nix. Runs as a launchd user agent with ollama serve.

Alacritty (macOS)

Terminal colors follow System Settings → Appearance: programs.alacritty imports ~/.config/alacritty/active-colors.toml; scripts/alacritty-sync-system-theme.sh copies Catppuccin latte/mocha there when the OS mode changes. nix-darwin launchd.user.agents.alacritty-system-theme polls every 30s; fish runs the same script on interactive startup. After changing Nix, one darwin-rebuild switch. Details: assets/alacritty/README.md.

Shell

Fish is the default shell. Bash auto-execs fish unless the parent process is already fish. Vi keybindings with fzf integration. Zoxide aliased to cd.