Needs git :)

.gitlab-ci.yml

@@ -3,7 +3,7 @@ image: "debian"
 build:
     stage: build
     before_script:
-        - apt update -qq && apt install -y -qq gcc-arm-none-eabi python-pip
+        - apt update -qq && apt install -y -qq gcc-arm-none-eabi python-pip git
         - pip install crc16
     script:
         - cd bootloader