Update datasets weekly (#170)

* Replace set-output command with environment variable

* Change from daily to weekly

* Modify time stamp to trigger workflow

.github/workflows/update_datasets.yml

@@ -2,7 +2,7 @@ name: Update Datasets and Create PR
 
 on:
   schedule:
-    - cron: '0 2 * * *' # Runs at 02:00 UTC every day
+    - cron: '0 2 * * 7' # Runs at 02:00 UTC every Sunday
   workflow_dispatch: # This line enables manual triggering of the workflow
 
 jobs:
@@ -31,19 +31,20 @@ jobs:
           git diff
           if [ -n "$(git status -s)" ]; then
             echo "Changes detected"
-            echo "::set-output name=changes_detected::true"
-          fi
+            echo "changes_detected=true" >> $GITHUB_ENV
+          else
+            echo "changes_detected=false" >> $GITHUB_ENV
 
       - name: Commit changes
-        if: steps.git-check.outputs.changes_detected == 'true'
+        if: env.changes_detected == 'true'
         run: |
           git config --global user.name 'github-actions[bot]'
           git config --global user.email 'github-actions[bot]@users.noreply.github.com'
           git add .
           git commit -m "GitHub Action: Update datasets"
 
       - name: Create Pull Request
-        if: steps.git-check.outputs.changes_detected == 'true'
+        if: env.changes_detected == 'true'
         uses: peter-evans/create-pull-request@v4
         with:
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN }} 

docs/datasets/climate_model_data.md

@@ -111,7 +111,7 @@
     /nfs/atmos/c2sm/cmip6-ng
     ```
 
-- Size: 200.62 TB :material-information-outline:{ title="last updated: 2024-07-15 11:26:46" }
+- Size: 200.62 TB :material-information-outline:{ title="last updated: 2024-07-15 11:26:45" }
 - Number of files: 663,800 :material-information-outline:{ title="last updated: 2024-07-15 11:26:46" }
 - Access: direct / rsync
 - Status: frozen (2019-03)