test publishing package sites to Github pages

.github/workflows/R-CMD-check.yaml

@@ -78,7 +78,7 @@ jobs:
           path: gh-pages
           ref: gh-pages
 
-      - name: Publish documentation
+      - name: Publish book
         if: runner.os == 'macOS'
         run: |
           Rscript -e 'install.packages("xfun", repos="https://yihui.r-universe.dev")'

.github/workflows/github-pages.yml

@@ -0,0 +1,29 @@
+name: Render package site and deploy to Github Pages
+
+on:
+  push:
+    branches: ["main"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/configure-pages@v5
+      - uses: r-lib/actions/setup-r@HEAD
+      - uses: r-lib/actions/setup-r-dependencies@HEAD
+      - uses: yihui/litedown/site@HEAD
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'site'
+      - id: deployment
+        uses: actions/deploy-pages@v4

site/action.yml

@@ -11,11 +11,13 @@ runs:
   using: "composite"
   steps:
     - name: Install R packages
+      shell: bash
       run: |
+        Rscript -e "install.packages(c('litedown', 'xfun'), repos = 'https://yihui.r-universe.dev')"
         R CMD INSTALL "${{ inputs.pkg-root }}"
-        Rscript -e "if (!requireNamespace('litedown')) install.packages('litedown')"
 
     - name: Build site
+      shell: bash
       run: |
         cd "${{ inputs.pkg-root }}"
         mkdir -p "${{ inputs.site-dir }}"