.template-docker: &template-docker
  before_script:
    - apt-get update
    - apt-get install --no-install-recommends --yes build-essential ca-certificates git golang golang-1.16 golang-golang-x-tools make openssh-server
  script:
    # Gitlab-runner uses umask 0000 (wtf?!) and mixes nobody and root user
    # when setting up the environment. This breaks ssh's permission check on
    # authorized_keys.
    - chown -R root:root /builds
    - chmod -R go-w /builds
    # NOTE: golang is still using golang-1.15
    - mkdir -p $HOME/go/bin
    - ln -sf /usr/lib/go-1.16/bin/go $HOME/go/bin
    - ln -sf /usr/lib/go-1.16/bin/gofmt $HOME/go/bin
    #
    - mkdir /run/sshd
    - ./ci/run

debian-sid:
  <<: *template-docker
  image: debian:sid