massive rewrite into all flake modules

.envrc

@@ -1,2 +1 @@
 use flake
-

.gitignore

@@ -9,3 +9,4 @@
 /src/home/emacs/doom.d/config.el
 /src/home/emacs/doom.d/packages.el
 /src/home/emacs/doom.d/custom.el
+/.pre-commit-config.yaml

.sops.yaml

@@ -1,7 +1,7 @@
 keys:
   - &tristan age1udsm4dv9q95d76p7ljxqyceafrwj3twmq883glc3prmry4w9eunqfhg9p3
 creation_rules:
-  - path_regex: conf/sops.yaml$
+  - path_regex: src/dev/sops.yaml$
     key_groups:
       - age:
           - *tristan

default.nix

@@ -0,0 +1,96 @@
+{inputs, ...}: let
+  lib = inputs.nixpkgs.lib;
+  flake-parts-lib = inputs.flake-parts.lib;
+
+  # Convenience functions
+  pipe' = functions: value: lib.trivial.pipe value functions;
+  flatMap = function: pipe' [(builtins.map function) lib.lists.flatten];
+
+  # Filesystem traversal
+  filter = f: root:
+    lib.trivial.pipe root [
+      builtins.readDir
+      (lib.attrsets.filterAttrs f)
+      builtins.attrNames
+      (builtins.map (file: root + "/${file}"))
+    ];
+  dirs = filter (_: type: type == "directory");
+  files = filter (name: type: type == "regular" && builtins.match ".+\.nix$" name != null);
+  everything = let
+    filesAndDirs = root: [
+      (files root)
+      (builtins.map everything (dirs root))
+    ];
+  in
+    pipe' [lib.lists.toList (flatMap filesAndDirs)];
+  everythingBut = roots: exclude: builtins.filter (path: lib.lists.all (prefix: ! lib.path.hasPrefix prefix path) exclude) (everything roots);
+
+  # Options
+  mkEnabledOption = doc:
+    lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      example = false;
+      description = lib.mdDoc "Whether to enable ${doc}";
+    };
+  mkSystemOption = args:
+    lib.mkOption ({
+        type = lib.types.enum (import inputs.systems-all);
+        default = builtins.head (import inputs.systems-default);
+        example = builtins.head (import inputs.systems-darwin);
+        description = lib.mdDoc "System for the configuration";
+      }
+      // args);
+  mkOpenModuleOption = args:
+    lib.mkOption ({
+        type = lib.types.lazyAttrsOf lib.types.unspecified;
+        default = {};
+      }
+      // args);
+
+  nix = lib.attrsets.mergeAttrsList [
+    builtins
+    lib
+    lib.attrsets
+    lib.strings
+    lib.trivial
+    lib.types
+    flake-parts-lib
+    {
+      inherit pipe' flatMap;
+      inherit mkEnabledOption mkOpenModuleOption mkSystemOption;
+      fs = {inherit filter dirs files everything everythingBut;};
+    }
+  ];
+in {
+  imports = nix.fs.everything ./src;
+
+  _module.args.nix = nix;
+
+  perSystem = {
+    config,
+    pkgs,
+    system,
+    ...
+  }: {
+    _module.args.nix = nix;
+    _module.args.pkgs = with nix;
+      import inputs.nixpkgs {
+        inherit system;
+        overlays = attrValues inputs.self.overlays;
+        config.allowUnfreePredicate = pkg: elem (getName pkg) ["terraform" "spotify" "android-studio-stable"];
+      };
+    devShells.default = pkgs.mkShell {
+      inputsFrom = nix.attrValues (nix.removeAttrs config.devShells ["default"]);
+    };
+  };
+
+  flake.nixosModules.args = {
+    _module.args.nix = nix;
+    home-manager.extraSpecialArgs.nix = nix;
+  };
+  flake.darwinModules_.args = {
+    _module.args.nix = nix;
+    home-manager.extraSpecialArgs.nix = nix;
+  };
+}