build

.github/workflows/build.yml

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+name: Build
+on:
+  workflow_dispatch:
+  push:
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Create root directory"
+        run: mkdir ./www-root
+      - name: Run the build
+        run: ./build.sh
+      - name: Upload static files as artifact
+        id: deployment
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: www-root
+  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@v4

.gitignore

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+/doc
+/rust

before.html

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+<script type="module">
+  const info = document.createElement("div");
+  info.classList.add("_internal-info");
+  info.innerHTML = `
+    <p>⚠ Internal Docs ⚠</p>
+    <p>This website was built by <a href="https://github.com/Noratrieb/std-internal-docs">Noratrieb</a>
+    
+    <div>
+        <div>
+            <label for="target-select">
+                Select Target
+            </label>
+        </div>
+        <div>
+            <select id="target-select">
+                <option>x86_64-unknown-linux-gnu</option>
+                <option>x86_64-pc-windows-msvc</option>
+                <option>aarch64-apple-darwin</option>
+            </select>
+        </div>
+    </div>
+  `;
+  const elems = document.querySelector(".sidebar-elems");
+  elems.parentNode.insertBefore(info, elems);
+
+  document.getElementById("target-select").addEventListener("change", (e) => {
+    alert(e.target.value);
+  });
+</script>

build.sh

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+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+root=$(realpath "$PWD")
+
+# use a higher depth because bootstrap might be broken with depth 1?
+git clone --depth 50 https://github.com/rust-lang/rust.git
+cd rust
+
+./configure \
+    --set llvm.download-ci-llvm=true \
+    --set rust.download-rustc=true
+
+targets=(x86_64-unknown-linux-gnu x86_64-pc-windows-msvc aarch64-apple-darwin)
+
+for target in "${targets[@]}"; do
+    echo "Building $target"
+
+    export RUSTDOCFLAGS="--document-private-items \
+        --document-hidden-items \
+        --html-before-content=$root/before.html \
+        --extend-css=$root/style.css"
+
+    ./x doc library --target "$target"
+
+    mkdir "$root/www-root/$target"
+    cp -r "./build/$target/doc" "$root/www-root/$target"
+done

style.css

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+._internal-info {
+    background-color: red;
+    color: white;
+    font-weight: 600;
+
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+}