ci(gitlab-ci): use 'HEAD~1' instead of 'HEAD^' for Windows compatibility

        base_sha="${CI_COMMIT_BEFORE_SHA}"

        base_branch="${CI_COMMIT_REF_NAME:-}"

      else

        base_sha=$(git rev-parse 'HEAD^')

        base_sha=$(git rev-parse 'HEAD~1')

        base_branch=$(git rev-parse --abbrev-ref 'HEAD')

      fi

    # Validate commits range

    - set +x

    - |

      if [ $(git rev-list --count HEAD) -gt 1 ]; then

        mypy --follow-imports silent --pretty $(git diff --name-only $(git diff --exit-code >/dev/null && echo 'HEAD^' || echo 'HEAD') ./src/ ./setup.py) 2>/dev/null || true

        mypy --follow-imports silent --pretty $(git diff --name-only $(git diff --exit-code >/dev/null && echo 'HEAD~1' || echo 'HEAD') ./src/ ./setup.py) 2>/dev/null || true

      fi

    - sleep 1

    - mypy --follow-imports silent --pretty ./src/ ./setup.py