Upload documentation to GitHub Pages

.github/workflows/doc.yml

@@ -0,0 +1,45 @@
+name: Documentation
+
+on:
+  push:
+    branches: [pages]
+
+  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@v3
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+      - name: Build documentation
+        run: cargo doc --no-deps
+      - name: Fix permissions
+        run: chmod a+r target/doc/.lock
+      - name: Create the root index
+        run: echo "<meta http-equiv=\"refresh\" content=\"0; url=oinq\">" > target/doc/index.html
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: ./target/doc
+
+  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