fix skip citations on pr close, remove useless on schedule preview build

Author: vincerubinetti

.github/workflows/on-schedule.yaml

@@ -20,8 +20,3 @@ jobs:
     uses: ./.github/workflows/update-citations.yaml
     with:
       open-pr: true
-
-  build-preview:
-    needs: update-citations
-    if: needs.update-citations.outputs.changed == 'true'
-    uses: ./.github/workflows/build-preview.yaml

.github/workflows/update-citations.yaml

@@ -26,26 +26,28 @@ jobs:
   update-citations:
     runs-on: ubuntu-latest
     timeout-minutes: 15
-    if: github.event.action != 'closed'
 
     steps:
       - name: Debug dump
         uses: crazy-max/ghaction-dump-context@v2
 
       - name: Checkout branch contents
+        if: github.event.action != 'closed'
         uses: actions/checkout@v4
         with:
           repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.head_ref }}
 
       - name: Setup Python
+        if: github.event.action != 'closed'
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
           cache: "pip"
           cache-dependency-path: "**/requirements.txt"
 
       - name: Install Python packages
+        if: github.event.action != 'closed'
         run: |
           python -m pip install --upgrade --requirement ./_cite/requirements.txt
 
@@ -54,10 +56,12 @@ jobs:
         uses: mxschmitt/action-tmate@v3
 
       - name: Build updated citations
+        if: github.event.action != 'closed'
         run: python _cite/cite.py
         timeout-minutes: 15
 
       - name: Check if citations changed
+        if: github.event.action != 'closed'
         id: changed
         uses: tj-actions/verify-changed-files@v18
         with:
@@ -66,6 +70,7 @@ jobs:
 
       - name: Commit updated citations to branch
         if: |
+          github.event.action != 'closed' &&
           steps.changed.outputs.files_changed == 'true' &&
           inputs.open-pr != true
         uses: stefanzweifel/git-auto-commit-action@v5
@@ -74,6 +79,7 @@ jobs:
 
       - name: Open pull request with updated citations
         if: |
+          github.event.action != 'closed' &&
           steps.changed.outputs.files_changed == 'true' &&
           inputs.open-pr == true
         uses: peter-evans/create-pull-request@v6
@@ -84,4 +90,4 @@ jobs:
             To see a live preview of this PR, close (not merge) and reopen it.
 
     outputs:
-      changed: ${{ steps.changed.outputs.files_changed }}
+      changed: ${{ steps.changed.outputs.files_changed || false }}