feature: Add script to check license header to repo and CI

Author: JanEbbing

.gitlab-ci.yml

@@ -55,6 +55,12 @@ flake8:
   stage: check
   script: poetry run flake8 deepl tests
 
+licenseCheck:
+  stage: check
+  script:
+    - ./license_checker.sh '*.py' | tee license_check_output.txt
+    - '[ ! -s license_check_output.txt ]'
+
 # stage: build ----------------------
 
 package:

CHANGELOG.md

@@ -9,10 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 * Add [example script](examples/mustache) to translate Mustache templates.
 * Add support for storing your API Key in a keyring via the `keyring` module.
+* Added a CI check for copyright headers.
 ### Changed
 ### Deprecated
 ### Removed
 ### Fixed
+* Copyright headers are updated for 2023
 ### Security
 * Update `certifi` to resolve security advisory.
   * `certifi` is a development-only dependency; library users are unaffected. 

license_checker.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# Usage: ./license_checker.sh source_code_pattern
+# Example: ./license_checker.sh '*.py'
+# This will search all .py files, ignoring anything not tracked in your git tree
+
+git ls-files -z $1 | xargs -0 -I{} sh -c 'RES=$(head -n 3 "{}" | grep "Copyright 20[0-9][0-9] DeepL SE (https://www.deepl.com)"); if [ ! "${RES}" ] ; then echo "Lacking copyright header in" "{}" ; fi'