Add option to have multiple unit test reports in the pkgdown documentation

.github/workflows/build-check-install.yaml

@@ -186,6 +186,16 @@ on:
         required: false
         type: boolean
         default: false
+      unit-test-report-directory:
+        description: |
+          Directory name on gh-pages branch where the unit test report will be uploaded.
+          If the unit test report directory is different than the default 'unit-test-report',
+          it has to be added to the additional-unit-test-report-directories pkgdown workflow input.
+          Additionally, if the non-default unit test report should be shown in the GitHub Pages
+          documentation drop-down, it has to be added to _pkgdown.yaml.
+        required: false
+        type: string
+        default: "unit-test-report"
 
 concurrency:
   group: r-cmd-${{ inputs.concurrency-group }}-${{ github.event.pull_request.number || github.ref }}
@@ -563,7 +573,7 @@ jobs:
             && github.event_name != 'pull_request'
         uses: actions/upload-artifact@v4
         with:
-          name: unit-test-report
+          name: unit-test-report-${{ inputs.concurrency-group }}
           path: "index.html"
 
       - name: Set output ⚙️
@@ -783,7 +793,7 @@ jobs:
         uses: actions/upload-artifact@v4
         with:
           path: ${{ github.event.repository.name }}/${{ inputs.package-subdirectory }}/${{ env.PKGBUILD }}
-          name: ${{ env.PKGBUILD }}
+          name: ${{ env.PKGBUILD }}-${{ inputs.concurrency-group }}
 
       - name: Upload logs artifact 🗞️
         uses: actions/upload-artifact@v4
@@ -823,7 +833,7 @@ jobs:
       - name: Download JUnit HTML report as artifact ⤵️
         uses: actions/download-artifact@v4
         with:
-          name: unit-test-report
+          name: unit-test-report-${{ inputs.concurrency-group }}
           path: unit-test-report
 
       - name: Upload JUnit HTML report to GitHub pages 🗞️
@@ -832,7 +842,7 @@ jobs:
         with:
           github_token: ${{ steps.github-token.outputs.token }}
           publish_dir: ./unit-test-report
-          destination_dir: ${{ needs.build-install-check.outputs.current-branch-or-tag }}/unit-test-report
+          destination_dir: ${{ needs.build-install-check.outputs.current-branch-or-tag }}/${{ inputs.unit-test-report-directory }}
 
       - name: Upload JUnit HTML report to GitHub pages (latest-tag) 🏷️
         if: >
@@ -842,7 +852,7 @@ jobs:
         with:
           github_token: ${{ steps.github-token.outputs.token }}
           publish_dir: ./unit-test-report
-          destination_dir: ${{ inputs.latest-tag-alt-name }}/unit-test-report
+          destination_dir: ${{ inputs.latest-tag-alt-name }}/${{ inputs.unit-test-report-directory }}
 
       - name: Upload JUnit HTML report to GitHub pages (release-candidate) 🏷️
         if: >
@@ -852,15 +862,15 @@ jobs:
         with:
           github_token: ${{ steps.github-token.outputs.token }}
           publish_dir: ./unit-test-report
-          destination_dir: ${{ inputs.release-candidate-alt-name }}/unit-test-report
+          destination_dir: ${{ inputs.release-candidate-alt-name }}/${{ inputs.unit-test-report-directory }}
 
       - name: Upload JUnit HTML report to GitHub pages (non-multiversion) 🗞️
         if: needs.build-install-check.outputs.multiversion-docs == 'false'
         uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ steps.github-token.outputs.token }}
           publish_dir: ./unit-test-report
-          destination_dir: unit-test-report
+          destination_dir: ${{ inputs.unit-test-report-directory }}
 
   upload-release-assets:
     name: Upload build tar.gz
@@ -884,7 +894,7 @@ jobs:
       - name: Download artifact ⏬
         uses: actions/download-artifact@v4
         with:
-          name: ${{ env.PKGBUILD }}
+          name: ${{ env.PKGBUILD }}-${{ inputs.concurrency-group }}
 
       - name: Check if release exists
         id: check-if-release-exists

.github/workflows/pkgdown.yaml

@@ -111,6 +111,16 @@ on:
         required: false
         type: string
         default: "."
+      additional-unit-test-report-directories:
+        description: |
+          If any *additional* unit test report directories are generated by the build-check-install workflow,
+          they should be listed as comma-separated directory list. If this input is empty, only coverage-report
+          and unit-test-report directories will be retained in the generated documentation directory.
+          Example:
+          unit-test-report-as-cran,unit-test-report-not-cran
+        required: false
+        type: string
+        default: ""
 
 concurrency:
   group: docs-${{ github.event.pull_request.number || github.ref }}
@@ -254,13 +264,41 @@ jobs:
         run: |
           GH_PAGES_DIR="gh-pages/${{ steps.current-branch-or-tag.outputs.ref-name }}"
           mkdir -p $GH_PAGES_DIR
+          echo "Current contents of $GH_PAGES_DIR:"
           ls -l $GH_PAGES_DIR
-          # Remove contents except coverage-report and unit-test-report directories.
-          find $GH_PAGES_DIR -mindepth 1 -maxdepth 1 \
-            ! -name coverage-report ! -name unit-test-report -exec rm -rf {} +
+          # Remove any existing documentation for the git tag, but retain coverage report and
+          # unit test reports which might have already been pushed to the gh-pages branch
+          # by the coverage and build-check-install workflows respectively.
+          if [[ "${{ inputs.additional-unit-test-report-directories }}" != "" ]]; then
+            directories_to_retain="coverage-report,unit-test-report,${{ inputs.additional-unit-test-report-directories }}"
+          else
+            directories_to_retain="coverage-report,unit-test-report"
+          fi
+          IFS=',' read -ra DIRECTORIES_TO_RETAIN <<< "$directories_to_retain"
+          echo "The following directories will be retained:"
+          for dir in "${DIRECTORIES_TO_RETAIN[@]}"; do
+            echo "$dir"
+          done
+          # Remove all files from GH_PAGES_DIR, except any DIRECTORIES_TO_RETAIN.
+          find $GH_PAGES_DIR -mindepth 1 -maxdepth 1 -print0 | while IFS= read -r -d '' file; do
+            file_to_be_removed="true"
+            # Check if the file/directory matches any directory to be retained.
+            for dir in "${DIRECTORIES_TO_RETAIN[@]}"; do
+              if [[ "$GH_PAGES_DIR/$dir" == "$file" ]]; then
+                echo "Not removing $file"
+                file_to_be_removed="false"
+              fi
+            done
+            if [[ "$file_to_be_removed" == "true" ]]; then
+              echo "Removing $file"
+              rm -rf "$file"
+            fi
+          done
+          echo "Current contents of $GH_PAGES_DIR:"
           ls -l $GH_PAGES_DIR
           # Copy generated pkgdown documentation to gh-pages branch.
           cp -a ${{ github.event.repository.name }}/${{ inputs.package-subdirectory }}/docs/. $GH_PAGES_DIR
+          echo "Current contents of $GH_PAGES_DIR:"
           ls -l $GH_PAGES_DIR
           cd gh-pages
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"