ci: de-matrix GH Pages deploy

Author: cwillisf

.github/workflows/ci.yml

@@ -89,18 +89,9 @@ jobs:
 
   preview:
     runs-on: ubuntu-latest
-    needs:
-      - build
-      - test
+    needs: build
     if: ${{ needs.build.outputs.any-workspace == 'true' }}
-    strategy:
-      fail-fast: false
-      matrix:
-        package: ${{ fromJSON(needs.build.outputs.packages) }}
-        exclude:
-          - package: global
-          - package: any-workspace
-    name: Preview ${{ matrix.package }} on GH Pages
+    name: Publish preview playgrounds to GH Pages
     steps:
       - name: Determine GitHub Pages directory name
         id: branch_dir_name
@@ -114,21 +105,35 @@ jobs:
         with:
           name: build
           path: packages
-      - name: Deploy ${{ matrix.package }} testing playground to GitHub Pages
+      - name: Prepare playgrounds for GH Pages
+        working-directory: ./packages
+        run: |
+          mkdir -p ../pages/
+          for pkg in *; do
+            if [ -d "${pkg}/playground" ]; then
+              # using symlinks is quick and artifact generation will dereference them
+              # if the GH Pages action stops dereferencing these links, we'll need to copy the files instead
+              ln -s "../packages/${pkg}/playground" "../pages/${pkg}"
+            fi
+          done
+
+          # scratch-gui doesn't follow the pattern above
+          ln -s "../packages/scratch-gui/build" "../pages/scratch-gui"
+
+          ls -l ../pages/
+      - name: Deploy playgrounds to GitHub Pages
         uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./packages/${{ matrix.package }}/playground
-          destination_dir: "${{steps.branch_dir_name.outputs.result}}/${{ matrix.package }}"
+          publish_dir: ./pages
+          destination_dir: "${{steps.branch_dir_name.outputs.result}}"
           full_commit_message: "Build for ${{ github.sha }} ${{ github.event.head_commit.message }}"
 
   results:
-    name: Results
+    name: Test Results
     runs-on: ubuntu-latest
-    needs:
-      - test
-      - preview
-    if: ${{ always() }}
+    needs: test
+    if: ${{ !cancelled() }}
     steps:
       - run: |
           case "${{ needs.test.result }}" in
@@ -146,19 +151,3 @@ jobs:
               exit 1
               ;;
           esac
-      - run: |
-          case "${{ needs.preview.result }}" in
-            success)
-              echo "GitHub Pages previews published successfully."
-              exit 0
-              ;;
-            skipped)
-              echo "Previews were unnecessary for these changes, so they were skipped."
-              echo "If this is unexpected, check the path filters."
-              exit 0
-              ;;
-            *)
-              echo "Publishing GitHub Pages previews failed."
-              exit 1
-              ;;
-          esac