meat

flakes/meat/flake.lock

@@ -0,0 +1,38 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1723362943,
+        "narHash": "sha256-dFZRVSgmJkyM0bkPpaYRtG/kRMRTorUIDj8BxoOt1T4=",
+        "path": "/nix/store/h60m1fwahjd2mv6gsg77ji3vb4gpj4dk-source",
+        "rev": "a58bc8ad779655e790115244571758e8de055e3d",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "src": "src"
+      }
+    },
+    "src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1,
+        "narHash": "sha256-driDd0H33lcvEb5fnsUnLZ9Df+m7MNJvBvqQ7KB4+iA=",
+        "path": "src",
+        "type": "path"
+      },
+      "original": {
+        "path": "src",
+        "type": "path"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flakes/meat/flake.nix

@@ -0,0 +1,74 @@
+{
+  description = "the meat (package) manager";
+
+  inputs = {
+    # use registry nixpkgs
+    # nixpkgs.url = "nixpkgs/nixos-unstable";
+
+    src = {
+      url = "path:src";
+      flake = false;
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    src,
+  }: let
+    # System types to support.
+    supportedSystems = ["x86_64-linux" "x86_64-darwin" "aarch64-linux" "aarch64-darwin"];
+
+    # Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
+    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+
+    # Nixpkgs instantiated for supported system types.
+    nixpkgsFor = forAllSystems (system:
+      import nixpkgs {
+        inherit system;
+        # overlays = [self.overlay];
+      });
+  in {
+    # Provide some binary packages for selected system types.
+    packages = forAllSystems (system: let
+      pkgs = nixpkgsFor.${system};
+    in {
+      meat = pkgs.callPackage ./meat.nix {
+        inherit src;
+      };
+    });
+
+    # The default package for 'nix build'. This makes sense if the
+    # flake provides only one package or there is a clear "main"
+    # package.
+    defaultPackage = forAllSystems (system: self.packages.${system}.meat);
+
+    # A NixOS module, if applicable (e.g. if the package provides a system service).
+    nixosModules.meat = {
+      pkgs,
+      config,
+      ...
+    }: {
+      options.programs.meat = with pkgs.lib; {
+        flake = mkOption {
+          type = with types; nullOr (either path str);
+          default = null;
+          description = "path to your system flake";
+        };
+      };
+      config = {
+        environment.systemPackages = [self.defaultPackage.${pkgs.system}];
+        environment.sessionVariables = let
+          cfg = config.programs.meat;
+        in {
+          FLAKE =
+            if (cfg.flake == null)
+            then throw "Please set the programs.meat.flake option to your system flake."
+            else config.programs.meat.flake;
+        };
+      };
+    };
+
+    # Tests run by 'nix flake check' and by Hydra.
+  };
+}

flakes/meat/meat.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  src,
+  stdenvNoCC,
+  bash,
+  nix,
+  nh,
+  git,
+  sudo,
+  makeWrapper,
+}: let
+  deps = [
+    bash
+    nix
+    nh
+    git
+    sudo
+  ];
+in
+  stdenvNoCC.mkDerivation {
+    inherit src;
+    name = "meat";
+    version = "0.0.1";
+    nativeBuildInputs = [
+      makeWrapper
+    ];
+    buildInputs = deps;
+    installPhase = ''
+      mkdir -p $out/bin
+      cp meat $out/bin
+    '';
+    postFixup = ''
+      wrapProgram $out/bin/meat \
+        --set PATH ${lib.makeBinPath deps}
+    '';
+    meta = {
+      mainProgram = "meat";
+    };
+  }

flakes/meat/src/meat

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+
+cmd=${1:help}
+shift
+
+
+call_nix() {
+  cd $(dirname $0)
+  nixpkgs_pin=$(nix eval --raw -f npins/default.nix nixpkgs)
+  nix_path="nixpkgs=${nixpkgs_pin}:nixos-config=${HOME}/.nix/entry.nix"
+  local cmd=$1
+  shift
+  env NIX_PATH="${nix_path}" nixos-rebuild "$cmd" --fast "$@"
+}
+
+cd $FLAKE
+case $cmd in
+  look)
+    nix flake show
+  ;;
+
+  fresh)
+    nix flake update "$@"
+  ;;
+
+  yum)
+    nh os switch -- "$@"
+    # call_nix switch "$@"
+  ;;
+
+  cook)
+    nh os build "$@"
+    # call_nix build "$@"
+  ;;
+
+  poke)
+    nh os build -- --show-trace "$@"
+    # call_nix build --show-trace "$@"
+  ;;
+
+  help|*)
+    printf "
+--- MEAT ---------------------------------------------
+
+      FRESH \t\t| GET LATEST MEAT
+      YUM \t\t| CONSUME DELICIOUS MEAT
+      COOK \t\t| ONLY PREPARE MEAT
+      POKE \t\t| TRY COOK SUSPICIOUS MEAT
+      LOOK \t\t| INSPECT MEATS
+
+------------------------------------------------------\n"
+  ;;
+esac
+cd $PWD