Init

.github/workflows/deploy.yaml

@@ -0,0 +1,26 @@
+---
+on: 
+  push:
+    branches:
+    - init
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: cachix/install-nix-action@v31
+    - uses: actions/checkout@v6
+    - run: nix build .#calendar
+    - id: deployment
+      uses: actions/upload-pages-artifact@v4
+      with:
+        path: result/
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
+    steps:
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v4

calendar.nix

@@ -0,0 +1,51 @@
+{ config, lib, ... }:
+let
+  event =
+    with lib.types;
+    submodule {
+      options = {
+        uid = mkOption {
+          type = str;
+        };
+        title = mkOption {
+          type = str;
+        };
+        last_modified_on = mkOption {
+          type = str;
+        };
+        start = mkOption {
+          type = str;
+        };
+        end = mkOption {
+          type = str;
+        };
+      };
+    };
+in
+{
+  options.calendar.events = lib.mkOption {
+    type = lib.types.listOf event;
+    default = [ ];
+  };
+
+  config = {
+    perSystem =
+      {
+        pkgs,
+        ...
+      }:
+      let
+        calendarTOML = pkgs.writers.writeTOML "calendar.toml" {
+          name = "nix-ja calendar";
+          description = "Nix-ja event calendar";
+          events = config.calendar.events;
+        };
+      in
+      {
+        packages.calendar = pkgs.runCommand "calendar.ics" { } ''
+          mkdir -p $out
+          ${pkgs.toml-to-ical}/bin/toml-to-ical --input ${calendarTOML} --output $out/calendar.ics
+        '';
+      };
+  };
+}

flake.nix

@@ -0,0 +1,42 @@
+{
+  description = "nix-ja website";
+
+  inputs = {
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      imports = [
+        ./calendar.nix
+      ];
+      systems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "aarch64-darwin"
+        "x86_64-darwin"
+      ];
+      perSystem =
+        { system, ... }:
+        let
+          overlay = final: prev: {
+            toml-to-ical = prev.callPackage ./packages/toml-to-ical.nix { };
+          };
+          pkgs = import inputs.nixpkgs {
+            inherit system;
+            overlays = [
+              overlay
+            ];
+          };
+        in
+        {
+          _module.args.pkgs = pkgs;
+          formatter = pkgs.nixfmt-tree;
+          packages.toml-to-ical = pkgs.toml-to-ical;
+        };
+      flake = {
+      };
+    };
+}

packages/toml-to-ical.nix

@@ -0,0 +1,11 @@
+{ rustPlatform, fetchFromGitHub }:
+rustPlatform.buildRustPackage {
+  name = "toml-to-ical";
+  src = fetchFromGitHub {
+    owner = "rust-lang";
+    repo = "calendar-generation";
+    rev = "9bf0ccb9a892094fa232843a31b9c7a441645ffb";
+    sha256 = "sha256-UYq5Nsg6JdFw5yhKnSCW5diaweYbGvkCnIuY98wjxvo=";
+  };
+  cargoHash = "sha256-eg1IgW8f8iwryh1EvqnWOmehoJ1aAxuYJRbTgUE/zZ8=";
+}