switch to actions for github pages

.github/workflows/pages.yml

@@ -0,0 +1,47 @@
+name: "pages"
+
+on:
+  push:
+    branches: [master]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Nix
+        uses: cachix/install-nix-action@v23
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v3
+      - name: Build Pages
+        run: |
+          nix build .#pages
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./result
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2

flake.nix

@@ -69,8 +69,6 @@
           ./dev/effect.nix
         ];
 
-        hercules-ci.github-pages.branch = "master";
-
         perSystem = { config, pkgs, ... }:
           let
             defaultPlatform = pkgs.stdenv.hostPlatform.system == "x86_64-linux";
@@ -91,13 +89,15 @@
               nixosTests-pict-rs = pkgs.nixosTests.pict-rs;
             };
 
-            hercules-ci.github-pages.settings.contents = pkgs.runCommand "pages"
-              {
-                buildInputs = [ config.devShells.mkdocs.nativeBuildInputs ];
-              } ''
-              cd ${self}
-              mkdocs build --strict --site-dir $out
-            '';
+            packages = pkgs.lib.optionalAttrs defaultPlatform {
+              pages = pkgs.runCommand "pages"
+                {
+                  buildInputs = [ config.devShells.mkdocs.nativeBuildInputs ];
+                } ''
+                cd ${self}
+                mkdocs build --strict --site-dir $out
+              '';
+            };
           };
 
         flake.darwinConfigurations =