.git_push_mirror:
    image: alpine:latest
    stage: sync
    before_script:
        - apk update
        - apk add git
    script:
        - if [ "0$GIT_SYNC_URL" == "0"]; then echo "[ERROR] you must define variable GIT_SYNC_URL for mirroring this repository."; fi
        - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.com/$CI_PROJECT_PATH --mirror $CI_PROJECT_NAME
        - cd $CI_PROJECT_NAME 
        - git remote add destination $GIT_SYNC_URL 
        - echo "https://gitlab.com/ $CI_PROJECT_PATH / $CI_PROJECT_NAME .git"
        - git push destination --mirror
    artifacts:
        expire_in: 1 day
    rules:
        - if: '$JOB_STOP_GIT_PUSH_MIRROR'
          when: never
        - if: '$CI_COMMIT_BRANCH == "master" && $GIT_SYNC_URL != null'
        - if: '$CI_COMMIT_BRANCH == "development" && $GIT_SYNC_URL != null'
          when: always