Add nix flake dev shell, direnv, VSCode extensions, CI

.envrc

@@ -0,0 +1 @@
+use flake

.github/workflows/nix.yaml

@@ -0,0 +1,34 @@
+name: 'Nix build'
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - web/**
+      - doc/**
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - web/**
+      - doc/**
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  build-and-check:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v22
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: cachix/cachix-action@v12
+        with:
+          name: conky
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - run: nix build
+      - run: nix flake check

.gitignore

@@ -23,10 +23,15 @@ lua/libimlib2.c
 # Compiler cache
 .cache
 
-# Ignore vscode stuff
-.vscode
+# Ignore (most) vscode stuff
+.vscode/*
 *.code-workspace
+# Allow vscode recommended extensions
+!.vscode/extensions.json
 .idea/
 
 # Ignore nix stuff
 /result
+
+# Ignore direnv
+.direnv

.vscode/extensions.json

@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "kamadorueda.alejandra",
+    "ms-vscode.cmake-tools",
+    "mkhl.direnv"
+  ]
+}

flake.lock

@@ -1,12 +1,15 @@
 {
   "nodes": {
     "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
       "locked": {
-        "lastModified": 1676283394,
-        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "lastModified": 1687171271,
+        "narHash": "sha256-BJlq+ozK2B1sJDQXS3tzJM5a+oVZmi1q0FlBK/Xqv7M=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "rev": "abfb11bd1aec8ced1c9bb9adfe68018230f4fb3c",
         "type": "github"
       },
       "original": {
@@ -17,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1677407201,
-        "narHash": "sha256-3blwdI9o1BAprkvlByHvtEm5HAIRn/XPjtcfiunpY7s=",
+        "lastModified": 1687502512,
+        "narHash": "sha256-dBL/01TayOSZYxtY4cMXuNCBk8UMLoqRZA+94xiFpJA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "7f5639fa3b68054ca0b062866dc62b22c3f11505",
+        "rev": "3ae20aa58a6c0d1ca95c9b11f59a2d12eebc511f",
         "type": "github"
       },
       "original": {
@@ -36,6 +39,21 @@
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "A Nix flake for Conky";
+  description = "A Nix flake for Conky, including a dev shell";
 
   inputs = {
     nixpkgs = {
@@ -10,53 +10,77 @@
     };
   };
 
-  outputs = { self, nixpkgs, flake-utils, ... }: flake-utils.lib.eachDefaultSystem
-    (system:
-      let
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem
+    (
+      system: let
         pkgs = import nixpkgs {
           inherit system;
-          overlays = [ self.overlay ];
+          overlays = [self.overlay];
         };
       in
-      rec
-      {
-        packages = flake-utils.lib.flattenTree {
-          conky = pkgs.conky;
-        };
-        defaultPackage = packages.conky;
-        apps.conky = flake-utils.lib.mkApp { drv = packages.conky; };
-        defaultApp = apps.conky;
-      }
-    ) // {
-    overlay = final: prev: {
-      conky = with final; stdenv.mkDerivation rec {
-        name = "conky";
-        src = ./.;
-        nativeBuildInputs = [
-          clang_15
-          cmake
-          git
-          ninja
-          pkg-config
-        ];
-        buildInputs = [
-          freetype
-          gettext
-          imlib2
-          llvmPackages_15.libcxx
-          llvmPackages_15.libcxxabi
-          lua5_4
-          ncurses
-          xorg.libICE
-          xorg.libSM
-          xorg.libX11
-          xorg.libXext
-          xorg.libXft
-          xorg.libXinerama
-          xorg.libXdamage
-          xorg.libXfixes
-        ];
+        with pkgs; rec
+        {
+          packages = flake-utils.lib.flattenTree {
+            conky = conky;
+          };
+
+          defaultPackage = packages.conky;
+          apps.conky = flake-utils.lib.mkApp {drv = packages.conky;};
+          defaultApp = apps.conky;
+          devShells.default = mkShell {
+            buildInputs =
+              packages.conky.buildInputs
+              ++ packages.conky.nativeBuildInputs
+              ++ [
+                alejandra # for beautifying flake
+                lefthook # for git hooks
+                nodejs # for web/ stuff
+                # for docs
+                (python3.withPackages (ps: with ps; [jinja2]))
+              ];
+          };
+        }
+    )
+    // {
+      overlay = final: prev: {
+        conky = with final;
+          stdenv.mkDerivation rec {
+            name = "conky";
+            src = ./.;
+            nativeBuildInputs = [
+              clang_16
+              cmake
+              git
+              llvmPackages_16.clang-unwrapped
+              ninja
+              pkg-config
+            ];
+            buildInputs =
+              [
+                freetype
+                gettext
+                imlib2
+                llvmPackages_16.libcxx
+                llvmPackages_16.libcxxabi
+                lua5_4
+                ncurses
+                xorg.libICE
+                xorg.libSM
+                xorg.libX11
+                xorg.libXdamage
+                xorg.libXext
+                xorg.libXfixes
+                xorg.libXft
+                xorg.libXinerama
+              ]
+              ++ lib.optional stdenv.isDarwin darwin.libobjc;
+          };
       };
     };
-  };
 }

lefthook.yml

@@ -17,3 +17,8 @@ pre-commit:
         npx prettier --write {staged_files} \
           && git add {staged_files}
       glob: '*.{md,json,yml,yaml}'
+    nix-linter:
+      run: |
+        alejandra -q {staged_files} \
+          && git add {staged_files}
+      glob: '*.{nix}'