Reapply "Build website with nix"

.github/workflows/jekyll-master.yml

@@ -12,24 +12,13 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Install Bundler
-        run: sudo gem install bundler
-      - name: Cache bundle
-        uses: actions/cache@v3
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-
-      - name: Install Jekyll
-        run: bundle install
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Build the site with Jekyll
-        run: |
-          bundle exec jekyll build --future
-
+        run: nix build
       - name: Upload
         run: |
           mkdir -p "$HOME/.ssh"
           echo "${{ secrets.KEY }}" > "$HOME/.ssh/key"
           chmod 600 "$HOME/.ssh/key"
-          rsync -avzh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/_site/ "${{ secrets.USERNAME }}@delta.chat:/var/www/html/_site"
+          rsync -rILvh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/result/ "${{ secrets.USERNAME }}@delta.chat:/var/www/html/_site"

.github/workflows/jekyll-preview.yml

@@ -14,28 +14,19 @@ jobs:
           export PULLREQUEST_ID=$(echo "${{ github.ref }}" | cut -d "/" -f3)
           echo "prid=$PULLREQUEST_ID" >> $GITHUB_OUTPUT
           if [ $(expr length "${{ secrets.USERNAME }}") -gt "1" ]; then echo "uploadtoserver=true" >> $GITHUB_OUTPUT; fi
-      - name: Install Bundler
-        run: sudo gem install bundler
-      - name: Cache bundle
-        uses: actions/cache@v3
-        with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-
-      - name: Install Jekyll
-        run: bundle install
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: |
+          echo "baseurl: /${{ steps.prepare.outputs.prid }}" >> _config.yml
       - name: Build the site with Jekyll
-        run: |
-          bundle exec jekyll build --future --baseurl "/${{ steps.prepare.outputs.prid }}"
-          mkdir ${{ steps.prepare.outputs.prid }}
+        run: nix build
 
       - name: Upload preview
         run: |
           mkdir -p "$HOME/.ssh"
           echo "${{ secrets.KEY }}" > "$HOME/.ssh/key"
           chmod 600 "$HOME/.ssh/key"
-          rsync -avzh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/_site/ "${{ secrets.USERNAME }}@delta.chat:/var/www/html/staging/${{ steps.prepare.outputs.prid }}/"
+          rsync -rILvh -e "ssh -i $HOME/.ssh/key -o StrictHostKeyChecking=no" $GITHUB_WORKSPACE/result/ "${{ secrets.USERNAME }}@delta.chat:/var/www/html/staging/${{ steps.prepare.outputs.prid }}/"
 
       - name: "Post links to details"
         id: details
@@ -54,8 +45,8 @@ jobs:
           #check if comment already exists, if not post it
           export GITHUB_API_URL="https://api.github.com/repos/deltachat/deltachat-pages/issues/${{ steps.prepare.outputs.prid }}/comments"
           export RESPONSE=$(curl -L --header "authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" --url "$GITHUB_API_URL" --header "content-type: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28")
-          echo $RESPONSE > result
-          grep -v '"Check out the page preview at https://staging.delta.chat/' result && echo "comment=true" >> $GITHUB_OUTPUT || true
+          echo $RESPONSE > response
+          grep -v '"Check out the page preview at https://staging.delta.chat/' response && echo "comment=true" >> $GITHUB_OUTPUT || true
       - name: "Post link to comments"
         if: steps.details.outputs.comment
         uses: actions/github-script@v6

.gitignore

@@ -16,4 +16,7 @@ build/
 # for an optional virtual env folder
 venv/ 
 
-vendor/bundle
+vendor/bundle
+
+# Nix output.
+result

README.md

@@ -43,6 +43,13 @@ Testing changes
   the forked website will then be available at 
   `https://<your-username>.github.io/deltachat-pages/`
 
+- If you have Nix installed,
+  you can build website preview in `result/` with `nix build`
+  or run `nix develop` and start `jekyll serve` in development shell
+  to have live preview at http://127.0.0.1:4000/en/
+  If you don't have Nix installed,
+  you can install it with [The Determinate Nix Installer](https://github.com/DeterminateSystems/nix-installer).
+
 - Alternatively, [install Jekyll](https://jekyllrb.com/docs/installation/) 
   on your local machive, run `bundle install` in this directory,
   and execute `bundle exec jekyll serve`.

_sass/_base.scss

@@ -237,7 +237,7 @@ code {
 h1,h2,h3,h4,h5,h6 {
     &:hover {
         .anchor::before {
-            content: "🔗"
+            content: "\1F517"
         }
     }
 }

flake.nix

@@ -0,0 +1,38 @@
+{
+  description = "Jekyll website template";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        formatter = pkgs.nixpkgs-fmt;
+        devShells.default = pkgs.mkShell {
+          buildInputs = [
+            pkgs.ruby
+            pkgs.jekyll
+            pkgs.rubyPackages.jekyll-sitemap
+          ];
+        };
+
+        packages.default = pkgs.stdenv.mkDerivation {
+          name = "deltachat-pages";
+          src = ./.;
+          buildInputs = [
+            pkgs.ruby
+            pkgs.jekyll
+            pkgs.rubyPackages.jekyll-sitemap
+          ];
+          buildPhase = ''
+            jekyll build
+          '';
+          installPhase = ''cp -r _site $out'';
+        };
+      });
+}