Add gitlab CI

.gitlab-ci.yml

@@ -0,0 +1,28 @@
+stages:
+    - test
+
+unit_tests:
+    stage: test
+    before_script:
+        - 'apk update'
+        - 'apk add python3'
+    script:
+        - ./bin/build-helper version
+        - ./bin/build-helper test
+
+pycodestyle:
+    stage: test
+    before_script:
+        - 'apk update'
+        - 'apk add python3 py3-pycodestyle'
+        - 'ln -f -s /usr/bin/pycodestyle-3 /usr/bin/pycodestyle'
+    script:
+        - ./bin/build-helper pycodestyle
+
+shellcheck:
+    stage: test
+    before_script:
+        - 'wget https://storage.googleapis.com/shellcheck/shellcheck-stable.linux.x86_64.tar.xz'
+        - 'tar xf shellcheck-stable.linux.x86_64.tar.xz && mv shellcheck-stable/shellcheck /usr/bin/'
+    script:
+        - ./bin/build-helper shellcheck