feat(ci): run mdbook on pull requests

Signed-off-by: Victor Adossi <vadossi@cosmonic.com>

Author: vados-cosmonic

.github/workflows/mdbook.yml

@@ -1,75 +1,30 @@
-# Sample workflow for building and deploying a mdBook site to GitHub Pages
-#
-# To get started with mdBook see: https://rust-lang.github.io/mdBook/index.html
-#
-name: Deploy mdBook site to Pages
+name: mdbook
 
 on:
-  # Runs on pushes targeting the default branch
-  push:
-    branches: ["main"]
+  pull_request:
 
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
-permissions:
-  contents: read
-  pages: write
-  id-token: write
-
-# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
-# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
+env:
+  MDBOOK_VERSION: 0.4.21
+  MDBOOK_ALERTS_VERSION: 0.6.7
+  MDBOOK_LINKCHECK_VERSION: 0.7.7
 
 jobs:
-  # Build job
   build:
     runs-on: ubuntu-latest
-    env:
-      MDBOOK_VERSION: 0.4.21
-      MDBOOK_ALERTS_VERSION: 0.6.7
-      MDBOOK_LINKCHECK_VERSION: 0.7.7
-      PUBLISH_DOMAIN: component-model.bytecodealliance.org
     steps:
       - uses: actions/checkout@v3
-      - name: Install mdBook
-        run: |
-          curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf -y | sh
-          rustup update
-          cargo install --version ${MDBOOK_VERSION} mdbook
-          cargo install --version ${MDBOOK_ALERTS_VERSION} mdbook-alerts
-          cargo install --version ${MDBOOK_LINKCHECK_VERSION} mdbook-linkcheck
-      - name: Setup Pages
-        id: pages
-        uses: actions/configure-pages@v3
-      - name: Build with mdBook
-        run: mdbook build component-model
-      - name: Setup Python
-        uses: actions/setup-python@v5
+
+      - uses: taiki-e/cache-cargo-install-action@v2
+        with:
+          tool: mdbook@${{ env.MDBOOK_VERSION }}
+
+      - uses: taiki-e/cache-cargo-install-action@v2
         with:
-          python-version: '3.13'
-      - name: Generate sitemap
-        run: |
-          cd component-model
-          python3 ../scripts/generate_sitemap.py --domain "component-model.bytecodealliance.org" --higher-priority "design" --output-path book/sitemap.xml
-          cd ..
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+          tool: mdbook-alerts@${{ env.MDBOOK_ALERTS_VERSION }}
+
+      - uses: taiki-e/cache-cargo-install-action@v2
         with:
-          path: ./component-model/book
+          tool: mdbook-linkcheck@${{ env.MDBOOK_LINKCHECK_VERSION }}
 
-  # Deployment job
-  deploy:
-    if: ${{ github.repository_owner == 'bytecodealliance' }}
-    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
+      - name: Build with mdBook
+        run: mdbook build component-model