chore(deps): pin dependencies

.gitea/workflows/ci.yaml

@@ -4,25 +4,17 @@ name: CI
 on:
   push:
     branches: [main]
-    paths:
-      - "**.nix"
-      - "flake.lock"
-      - ".gitea/workflows/ci.yaml"
   pull_request:
-    paths:
-      - "**.nix"
-      - "flake.lock"
-      - ".gitea/workflows/ci.yaml"
 
 jobs:
   flake:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@8aa03977d8d733052d78f4e008a241fd1dbf36b3 # v31
+        uses: cachix/install-nix-action@08dcb3a5e62fa31e2da3d490afc4176ef55ecd72 # v30
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes

flake.lock

@@ -1,22 +1,5 @@
 {
   "nodes": {
-    "brew-src": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1778427648,
-        "narHash": "sha256-pt9KaDGsMyYWB9JeHs4XGHs870f1lOZe3vx9LpVIhUE=",
-        "owner": "Homebrew",
-        "repo": "brew",
-        "rev": "6f293daa9f9f5832e13b497976335e90509886d7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "Homebrew",
-        "ref": "5.1.11",
-        "repo": "brew",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "locked": {
         "lastModified": 1761640442,
@@ -89,45 +72,6 @@
         "type": "github"
       }
     },
-    "nix-darwin": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1779036909,
-        "narHash": "sha256-zXcwYQGCT6pzinK+1dBB2ekTVtfxGZAapb3Evdcu4fY=",
-        "owner": "nix-darwin",
-        "repo": "nix-darwin",
-        "rev": "56c666e108467d87d13508936aade6d567f2a501",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-darwin",
-        "ref": "nix-darwin-26.05",
-        "repo": "nix-darwin",
-        "type": "github"
-      }
-    },
-    "nix-homebrew": {
-      "inputs": {
-        "brew-src": "brew-src"
-      },
-      "locked": {
-        "lastModified": 1778851564,
-        "narHash": "sha256-p8wzcnpB2Iys+QzAKM9/Eyw/pUyqCO3sw/NCnDH4dTE=",
-        "owner": "zhaofengli",
-        "repo": "nix-homebrew",
-        "rev": "b3a87b4793205cc111f3c61e25e018ffac3b8039",
-        "type": "github"
-      },
-      "original": {
-        "owner": "zhaofengli",
-        "repo": "nix-homebrew",
-        "type": "github"
-      }
-    },
     "nixos-apple-silicon": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -205,8 +149,6 @@
       "inputs": {
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",
-        "nix-darwin": "nix-darwin",
-        "nix-homebrew": "nix-homebrew",
         "nixos-apple-silicon": "nixos-apple-silicon",
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs",

flake.nix

@@ -15,11 +15,6 @@
     # Apple Silicon (Asahi) support for the MacBook host.
     nixos-apple-silicon.url = "github:nix-community/nixos-apple-silicon";
     nixos-apple-silicon.inputs.nixpkgs.follows = "nixpkgs";
-    # nix-darwin: manage macOS hosts from this same flake.
-    nix-darwin.url = "github:nix-darwin/nix-darwin/nix-darwin-26.05";
-    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
-    # nix-homebrew: declaratively own and install the Homebrew prefix on macOS.
-    nix-homebrew.url = "github:zhaofengli/nix-homebrew";
     # Provides mkFlake: the systems/perSystem scaffolding used below.
     flake-parts.url = "github:hercules-ci/flake-parts";
     flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
@@ -33,8 +28,6 @@
       home-manager,
       nixos-wsl,
       nixos-apple-silicon,
-      nix-darwin,
-      nix-homebrew,
       ...
     }:
     flake-parts.lib.mkFlake { inherit inputs; } (
@@ -58,8 +51,10 @@
           "lens-desktop"
         ];
 
-        # nixpkgs + nix-daemon settings shared by NixOS and Darwin hosts.
-        commonModule = {
+        # Shared scaffolding for every host: common user, overlays, home-manager.
+        baseModules = [
+          ./lyrathorpe/user.nix
+          {
             nixpkgs.overlays = overlays;
             nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) unfreePackages;
             nix.settings.experimental-features = [
@@ -69,19 +64,11 @@
             # Make `nix shell nixpkgs#...` and <nixpkgs> use the pinned nixpkgs.
             nix.registry.nixpkgs.flake = nixpkgs;
             nix.nixPath = [ "nixpkgs=${nixpkgs}" ];
-        };
-
-        # Shared scaffolding for every NixOS host: common user, settings, home-manager.
-        baseModules = [
-          ./lyrathorpe/user.nix
-          commonModule
+          }
           home-manager.nixosModules.home-manager
           {
             home-manager.useGlobalPkgs = true;
             home-manager.useUserPackages = true;
-            # Back up pre-existing dotfiles (e.g. .zshrc) instead of aborting
-            # activation when home-manager would overwrite them.
-            home-manager.backupFileExtension = "backup";
           }
         ];
 
@@ -112,47 +99,6 @@
               ];
           };
 
-        # Shared scaffolding for every Darwin (macOS) host.
-        darwinBaseModules = [
-          commonModule
-          nix-homebrew.darwinModules.nix-homebrew
-          home-manager.darwinModules.home-manager
-          {
-            home-manager.useGlobalPkgs = true;
-            home-manager.useUserPackages = true;
-            # Back up pre-existing dotfiles (e.g. .zshrc) instead of aborting
-            # activation when home-manager would overwrite them.
-            home-manager.backupFileExtension = "backup";
-          }
-        ];
-
-        # mkDarwinHost :: { system, username, fullName, modules, homeModules } -> darwinSystem
-        # Darwin counterpart of mkHost. macOS already owns the login user, so we
-        # only attach the platform and home-manager; no NixOS user module here.
-        mkDarwinHost =
-          {
-            system,
-            username,
-            fullName,
-            modules,
-            homeModules,
-          }:
-          nix-darwin.lib.darwinSystem {
-            specialArgs = { inherit inputs username fullName; };
-            modules =
-              darwinBaseModules
-              ++ modules
-              ++ [
-                {
-                  nixpkgs.hostPlatform = system;
-                  # macOS owns the account; point home-manager at its home dir.
-                  users.users.${username}.home = "/Users/${username}";
-                  home-manager.extraSpecialArgs = { inherit inputs username fullName; };
-                  home-manager.users.${username}.imports = homeModules;
-                }
-              ];
-          };
-
         # Host table — declarative registry of every machine. To add a host:
         # give it a name, its `system`, the owning user, and the module lists.
         # mapAttrs below turns each entry into a nixosConfiguration of the same name.
@@ -201,30 +147,11 @@
             ];
           };
         };
-
-        # Darwin host table — macOS machines built via mkDarwinHost. The shared
-        # ./lyrathorpe/home modules (shell, git, editor) are reused; the Linux-only
-        # desktop/sway modules are intentionally left out.
-        darwinHosts = {
-          lyrathorpe-mac = {
-            system = "aarch64-darwin";
-            username = "lyrathorpe";
-            fullName = "Lyra Thorpe";
-            modules = [
-              ./system/machine/Darwin/configuration.nix
-            ];
-            homeModules = [
-              ./lyrathorpe/home
-            ];
-          };
-        };
       in
       {
         systems = [
           "x86_64-linux"
           "aarch64-linux"
-          "aarch64-darwin"
-          "x86_64-darwin"
         ];
 
         # perSystem is evaluated once per entry in `systems`; `pkgs` is the
@@ -253,9 +180,8 @@
                 '';
           };
 
-        # Realise the host tables: each entry becomes a {nixos,darwin}Configuration.
+        # Realise the host table: each `hosts` entry becomes a nixosConfiguration.
         flake.nixosConfigurations = lib.mapAttrs (_name: mkHost) hosts;
-        flake.darwinConfigurations = lib.mapAttrs (_name: mkDarwinHost) darwinHosts;
       }
     );
 }

system/machine/Darwin/configuration.nix

@@ -1,151 +0,0 @@
-# Default nix-darwin host. Minimal macOS baseline; the user environment
-# (shell, git, editor) is carried by the shared ./lyrathorpe/home modules,
-# the same ones used by the Linux hosts. nixpkgs.hostPlatform is set by
-# mkDarwinHost in flake.nix.
-{ pkgs, username, ... }:
-{
-  programs.zsh.enable = true;
-
-  # CLI tooling sourced from nixpkgs instead of Homebrew formulae. Pure library
-  # dependencies are omitted; nix pulls them into closures automatically.
-  environment.systemPackages = with pkgs; [
-    # Build & toolchain
-    autoconf
-    automake
-    cmake
-    coreutils
-    gcc
-    gettext
-    gnumake
-    pkgconf
-    ruby
-    zig
-    # Version control & dev workflow
-    pre-commit
-    deno
-    opentofu
-    # Compression
-    lz4
-    p7zip
-    xz
-    zstd
-    # Crypto & networking
-    gnupg
-    gnutls
-    openssl
-    pinentry_mac
-    unbound
-    wget
-    # Media
-    ffmpeg
-    svt-av1
-    yt-dlp
-    # Graphics / Vulkan / SDL
-    glslang
-    moltenvk
-    spirv-tools
-    vulkan-loader
-    vulkan-tools
-    SDL2
-    sdl3
-    # Embedded
-    esptool
-    picotool
-    # Misc utilities
-    f3
-    gnused
-    lua5_4
-    magic-wormhole
-    ncurses
-    mas
-    sqlite
-  ];
-
-  # Account that runs user-level activation and Homebrew.
-  system.primaryUser = username;
-
-  # nix-homebrew owns and installs the Homebrew prefix declaratively, so brew
-  # itself no longer needs a manual bootstrap. enableRosetta permits x86_64
-  # formulae via Rosetta 2 on Apple Silicon.
-  nix-homebrew = {
-    autoMigrate = true;
-    enable = true;
-    enableRosetta = true;
-    user = username;
-  };
-
-  # Declarative Homebrew for packages with no nixpkgs equivalent or that must be
-  # the vendor build (GUI casks, Mac App Store apps).
-  homebrew = {
-    enable = true;
-    onActivation = {
-      autoUpdate = true;
-      upgrade = true;
-      # Lists below are authoritative: anything not declared is uninstalled.
-      cleanup = "zap";
-    };
-    taps = [ ];
-    # Formulae kept on brew: vendor PWA host and version-pinned toolchains that
-    # are simpler to track via brew than to match exactly in nixpkgs.
-    brews = [
-      "firefoxpwa"
-      "llvm@21"
-      "lld@21"
-      "python@3.14"
-    ];
-    # GUI applications. macOS app bundles are managed as casks; nixpkgs darwin
-    # GUI support is unreliable, so these stay on brew for continuity.
-    casks = [
-      "alfred"
-      "android-platform-tools"
-      "angry-ip-scanner"
-      "arduino-ide"
-      "autodesk-fusion"
-      "bambu-studio"
-      "bitwarden"
-      "citrix-workspace"
-      "curseforge"
-      "discord"
-      "firefox"
-      "freecad"
-      "gcc-arm-embedded"
-      "google-chrome"
-      "istat-menus"
-      "iterm2"
-      "macfuse"
-      "microsoft-teams"
-      "nextcloud"
-      "obs"
-      "omnidisksweeper"
-      "openscad@snapshot"
-      "orcaslicer"
-      "plex"
-      "plexamp"
-      "postman"
-      "signal"
-      "steam"
-      "thunderbird"
-      "virtualbox"
-      "visual-studio-code"
-      "vnc-viewer"
-      "vscodium"
-      "winbox"
-    ];
-    masApps = {
-      Amphetamine = 937984704;
-      "Apple Configurator" = 1037126344;
-      "Game Controller Tester" = 1500593102;
-      "Home Assistant" = 1099568401;
-      Infuse = 1136220934;
-      Keynote = 409183694;
-      Numbers = 409203825;
-      Pages = 409201541;
-      PDFgear = 6469021132;
-      PL2303Serial = 1624835354;
-      WireGuard = 1451685025;
-    };
-  };
-
-  # Used for backwards compatibility; read `darwin-rebuild changelog` before changing.
-  system.stateVersion = 5;
-}