Update Actions workflows to avoid empty deployments

Author: pmichaillat

.github/workflows/dashboard.yml

@@ -2,15 +2,16 @@
 name: Fetch data and update dashboard
 
 on:
-  # push:
-  #   branches: [ main ]
   schedule:
     - cron: '30 14 * * *'  # Daily at 14:30 UTC (9:30 EST or 10:30 EDT)
   workflow_dispatch:
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    id: build_and_commit
+    outputs:
+      committed: ${{ steps.commit_and_push.outputs.committed }}
 
     steps:
       - name: Check out repository
@@ -30,6 +31,7 @@ jobs:
         run: python content/dashboard/dashboard.py
 
       - name: Commit and push updated charts and data
+        id: commit_and_push
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
@@ -40,6 +42,8 @@ jobs:
             echo "Changes detected in generated files. Committing..."
             git commit -m "Update dashboard with newly released data"
             git push
+            echo "committed=true" >> "$GITHUB_OUTPUT"
           else
             echo "No changes detected in generated files. Nothing to commit."
+            echo "committed=false" >> "$GITHUB_OUTPUT"
           fi

.github/workflows/hugo.yml

@@ -35,9 +35,12 @@ defaults:
 
 jobs:
   # Build job
-  build:
-    # Ensure that the build job only runs for 'push', 'workflow_dispatch', or successful 'workflow_run' events
-    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch' || (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
+ build:
+    # Ensure that the build job only runs for 'push', 'workflow_dispatch', or a successful 'workflow_run' that made a commit
+    if: |
+      github.event_name == 'push' ||
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.jobs[0].outputs.committed == 'true')
     runs-on: ubuntu-latest
     env:
       HUGO_VERSION: 0.147.2
@@ -72,7 +75,11 @@ jobs:
 
   # Deployment job
   deploy:
-    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch' || (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success')
+    # Ensure that the deploy job only runs for 'push', 'workflow_dispatch', or a successful 'workflow_run' that made a commit
+    if: |
+      github.event_name == 'push' ||
+      github.event_name == 'workflow_dispatch' ||
+      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.jobs[0].outputs.committed == 'true')
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}