build: capturing new migrations.

.github/workflows/capture_new_migrations.yml

@@ -72,8 +72,10 @@ jobs:
         mysql -h 127.0.0.1 -uedxapp001 -ppassword -e "select 1;" edxapp
         mongosh --host 127.0.0.1 --username edxapp --password password --eval 'use edxapp; db.adminCommand("ping");' edxapp
 
-    - name: Checkout repo
+    - name: Checkout master repo
       uses: actions/checkout@v2
+      with:
+        ref: master
 
     - name: Setup Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
@@ -121,6 +123,57 @@ jobs:
         echo "Running the CMS migrations."
         ./manage.py cms showmigrations
 
+
+    - name: Checkout branch repo
+      uses: actions/checkout@v2
+
+    - name: Setup Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install system Packages
+      run: |
+        sudo apt-get update
+        make ubuntu-requirements
+
+    - name: Get pip cache dir
+      id: pip-cache-dir
+      run: |
+        echo "::set-output name=dir::$(pip cache dir)"
+
+    - name: Cache pip dependencies
+      id: cache-dependencies
+      uses: actions/cache@v3
+      with:
+        path: ${{ steps.pip-cache-dir.outputs.dir }}
+        key: ${{ runner.os }}-pip-${{ hashFiles('requirements/edx/development.txt') }}
+        restore-keys: ${{ runner.os }}-pip-
+
+    - name: Install Python dependencies
+      run: |
+        make dev-requirements
+        if [[ "${{ matrix.django-version }}" != "pinned" ]]; then
+          pip install "django~=${{ matrix.django-version }}.0"
+          pip check # fail if this test-reqs/Django combination is broken
+        fi
+
+    - name: list installed package versions
+      run: |
+        sudo pip freeze
+
+    - name: Run Tests
+      env:
+        LMS_CFG: lms/envs/minimal.yml
+        # This is from the LMS dir on purpose since we don't need anything different for the CMS yet.
+        STUDIO_CFG: lms/envs/minimal.yml
+      run: |
+        echo "Running the LMS migrations."
+        ./manage.py lms showmigrations
+        echo "Running the CMS migrations."
+        ./manage.py cms showmigrations
+
+
   # This job aggregates test results. It's the required check for branch protection.
   # https://github.com/marketplace/actions/alls-green#why
   # https://github.com/orgs/community/discussions/33579