Merge pull request #130 from ezzaze/master

Fix workflow action failing when json file was not changed

.github/workflows/sort_airports.yml

@@ -24,7 +24,19 @@ jobs:
     - name: Run JSON sorter
       run: python sort.py airports.json airports.json icao
 
+    - name: Check if airports.json file changed
+      id: file_changed
+      run: |
+        if git diff --exit-code airports.json; then
+          echo "File did not change"
+          echo "changed=false" >> $GITHUB_ENV
+        else
+          echo "File was changed"
+          echo "changed=true" >> $GITHUB_ENV
+        fi
+
     - name: Commit and push changes
+      if: env.changed == 'true'
       run: |
         git config --global user.name 'github-actions'
         git config --global user.email '[email protected]'