ci: add db migrations checks to tests and build workflows (ietf-tools#3920)

* ci: add db migrations checks to tests and build workflows

* ci: refactor migrations check expression

* chore: rework conditional and exit

Co-authored-by: Robert Sparks <rjsparks@nostrum.com>

Author: NGPixel

.github/workflows/build.yml

@@ -128,6 +128,10 @@ jobs:
       run: |
         echo "Running checks..."
         ./ietf/manage.py check
+        echo "Validating migrations..."
+        if ! (ietf/manage.py makemigrations 2>&1 | grep -q "^No changes detected$") ; then
+            echo -e "\nModel changes without migrations found." ; exit 1
+        fi
         echo "Running tests..."
         ./ietf/manage.py test --settings=settings_sqlitetest
         coverage xml

.github/workflows/ci-run-tests.yml

@@ -40,6 +40,10 @@ jobs:
       run: |
         echo "Running checks..."
         ./ietf/manage.py check
+        echo "Validating migrations..."
+        if ! (ietf/manage.py makemigrations 2>&1 | grep -q "^No changes detected$") ; then
+            echo -e "\nModel changes without migrations found." ; exit 1
+        fi
         echo "Running tests..."
         ./ietf/manage.py test --settings=settings_sqlitetest
         coverage xml