.github: Separate GH pages build for release/dev

.github/workflows/gh-pages-dev.yml

@@ -0,0 +1,38 @@
+# Based on:-
+# * https://ropenscilabs.github.io/actions_sandbox/websites-using-pkgdown-bookdown-and-blogdown.html#action-to-deploy-a-bookdown-site
+# * https://github.com/peaceiris/actions-gh-pages
+on:
+  push:
+     branches:
+       - gh_pages_test
+
+name: Render development documentation
+
+jobs:
+  documentation:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: r-lib/actions/setup-r@v2
+
+      - uses: r-lib/actions/setup-pandoc@v2
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::pkgdown, local::.
+          needs: website
+
+      - name: Build site
+        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
+        shell: Rscript {0}
+        env:
+          PKGDOWN_DEV_MODE: devel
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          deploy_key: ${{ secrets.ACTIONS_DEPLOY_KEY }}
+          publish_branch: gh-pages
+          publish_dir: ./docs/dev
+          destination_dir: ./${{ github.ref_name }}

.github/workflows/gh-pages.yml

@@ -3,10 +3,10 @@
 # * https://github.com/peaceiris/actions-gh-pages
 on:
   push:
-     branches:
-       - master
+    tags:
+      - 'v*'
 
-name: Render documentation
+name: Render release documentation
 
 jobs:
   documentation: