initial refactoring

2025-07-06 19:00:14 +00:00 · 2025-01-20 22:35:40 -05:00
parent a4b5e05f8f
commit c7933f8502
209 changed files with 5998 additions and 5308 deletions
--- a/platforms/home-manager/modules/nmasur/presets/programs/nixpkgs.nix
+++ b/platforms/home-manager/modules/nmasur/presets/programs/nixpkgs.nix
@ -0,0 +1,142 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.nmasur.presets.programs.nixpkgs;
+in
+
+{
+
+  options.nmasur.presets.programs.nixpkgs.enable = lib.mkEnableOption "Nixpkgs presets";
+
+  config = lib.mkIf cfg.enable {
+
+    programs.fish = {
+      shellAbbrs = {
+        n = "nix";
+        ns = "nix-shell -p";
+        nsf = "nix-shell --run fish -p";
+        nsr = "nix-shell-run";
+        nps = "nix repl --expr 'import <nixpkgs>{}'";
+        nixo = "man configuration.nix";
+        nixh = "man home-configuration.nix";
+        nr = {
+          function = "rebuild-nixos";
+        };
+        nro = {
+          function = "rebuild-nixos-offline";
+        };
+        hm = {
+          function = "rebuild-home";
+        };
+      };
+      functions = {
+        nix-shell-run = {
+          body = ''
+            set program $argv[1]
+            if test (count $argv) -ge 2
+                commandline -r "nix run nixpkgs#$program -- $argv[2..-1]"
+            else
+                commandline -r "nix run nixpkgs#$program"
+            end
+            commandline -f execute
+          '';
+        };
+        nix-fzf = {
+          body = ''
+            commandline -i (nix-instantiate --eval --json \
+              -E 'builtins.attrNames (import <nixpkgs> {})' \
+              | jq '.[]' -r | fzf)
+            commandline -f repaint
+          '';
+        };
+        rebuild-nixos = {
+          body = ''
+            git -C ${config.dotfilesPath} add --intent-to-add --all
+            echo "doas nixos-rebuild switch --flake ${config.dotfilesPath}#${config.networking.hostName}"
+          '';
+        };
+        rebuild-nixos-offline = {
+          body = ''
+            git -C ${config.dotfilesPath} add --intent-to-add --all
+            echo "doas nixos-rebuild switch --option substitute false --flake ${config.dotfilesPath}#${config.networking.hostName}"
+          '';
+        };
+        rebuild-home = {
+          body = ''
+            git -C ${config.dotfilesPath} add --intent-to-add --all
+            echo "${pkgs.home-manager}/bin/home-manager switch --flake ${config.dotfilesPath}#${config.networking.hostName}";
+          '';
+        };
+      };
+    };
+
+    # Provides "command-not-found" options
+    programs.nix-index = {
+      enable = true;
+      enableFishIntegration = true;
+    };
+
+    # Create nix-index if doesn't exist
+    home.activation.createNixIndex =
+      let
+        cacheDir = "${config.homePath}/.cache/nix-index";
+      in
+      lib.mkIf config.programs.nix-index.enable (
+        config.lib.dag.entryAfter [ "writeBoundary" ] ''
+          if [ ! -d ${cacheDir} ]; then
+              $DRY_RUN_CMD ${pkgs.nix-index}/bin/nix-index -f ${pkgs.path}
+          fi
+        ''
+      );
+
+    # Set automatic generation cleanup for home-manager
+    nix.gc = {
+      automatic = config.nix.gc.automatic;
+      options = config.nix.gc.options;
+    };
+  };
+
+  nix = {
+
+    # Set channel to flake packages, used for nix-shell commands
+    nixPath = [ "nixpkgs=${pkgs.path}" ];
+
+    # For security, only allow specific users
+    settings.allowed-users = [
+      "@wheel" # Anyone in the wheel group
+      config.user # The current user
+    ];
+
+    # Enable features in Nix commands
+    extraOptions = ''
+      experimental-features = nix-command flakes
+      warn-dirty = false
+    '';
+
+    gc = {
+      automatic = true;
+      options = "--delete-older-than 10d";
+    };
+
+    settings = {
+
+      # Add community Cachix to binary cache
+      # Don't use with macOS because blocked by corporate firewall
+      builders-use-substitutes = true;
+      substituters = lib.mkIf (!pkgs.stdenv.isDarwin) [ "https://nix-community.cachix.org" ];
+      trusted-public-keys = lib.mkIf (!pkgs.stdenv.isDarwin) [
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+      ];
+
+      # Scans and hard links identical files in the store
+      # Not working with macOS: https://github.com/NixOS/nix/issues/7273
+      auto-optimise-store = lib.mkIf (!pkgs.stdenv.isDarwin) true;
+    };
+
+  };
+}