Add write-manifest.yaml

.github/workflows/write-manifest.yaml

@@ -0,0 +1,37 @@
+# Workflow derived from https://solutions.posit.co/operations/deploy-methods/ci-cd/github-actions/#overview-of-deploying-to-connect
+
+name: write-manifest
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+  write-manifest:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: 'renv'
+          use-public-rspm: true
+      - uses: r-lib/actions/setup-renv@v2
+
+      - name: Install required packages
+        run: Rscript -e 'install.packages("rsconnect")'
+
+      - name: Create manifest.json
+        run: Rscript -e 'rsconnect::writeManifest()'
+
+      - name: Commit results
+        run: |
+          git config --local user.name "$GITHUB_ACTOR"
+          git config --local user.email "[email protected]"
+          git add manifest.json || echo "WARN: manifest.json was not updated"
+          git commit -m 'Re-build manifest file' || echo "No changes to commit"
+          git push origin || echo "No changes to commit"