PYSCAN-23: Add check to prevent missing license header (#12)

Author: joke1196

.github/workflows/build-pr.yml

@@ -34,6 +34,9 @@ jobs:
     - name: Check formatting
       run: |
         hatch run tool:format
+    - name: Check licensing
+      run: |
+        hatch run tool:license_check
 #    - name: SonarCloud Scan
 #      uses: SonarSource/sonarcloud-github-action@master
 #      env:

pyproject.toml

@@ -64,7 +64,9 @@ dependencies = [
 ] 
 
 [tool.hatch.envs.tool.scripts]
-license = 'python -m licenseheaders -t license_header.tmpl -o "SonarSource SA" -y 2011-2023 -n "Sonar Scanner Python" -E .py' 
+license_script = 'python -m licenseheaders -t license_header.tmpl -o "SonarSource SA" -y 2011-2023 -n "Sonar Scanner Python" -E .py' 
+license = ["license_script -d ./src", "license_script -d ./tests"]
+license_check = ["license", "git diff --name-only --exit-code ./src ./tests"]
 format = 'python -m black src/ tests/ --check'
 apply_format = 'python -m black src/ tests/'
 type_check = "python -m mypy src/ tests/ --ignore-missing-imports"