ci: add basic integration test for pmb

Yes, I know this is crude/basic, but others are welcome to improve it later. I think we need some integration testing asap, and this is better than nothing :D

.gitlab-ci.yml

@@ -16,86 +16,8 @@ before_script: &global_before_scripts
   - "adduser -D build"
 
 stages:
-  - lint
-  - deploy
   - test
 
-codespell:
-  stage: lint
-  script:
-    - ".ci/codespell.sh"
-
-pytest:
-  stage: test
-  script:
-    - "apk -q add git"
-    - "su build -c 'git config --global user.email ci@ci'"
-    - "su build -c 'git config --global user.name CI'"
-    - "echo 'build ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers"
-    - ".ci/pytest.sh"
-  after_script:
-    - "cp /home/build/.local/var/pmbootstrap/log_testsuite.txt ."
-    - "cp /home/build/.local/var/pmbootstrap/log.txt ."
-  artifacts:
-    when: on_failure
-    paths:
-      - "log_testsuite.txt"
-      - "log.txt"
-
-ruff:
-  stage: lint
-  script:
-    - ".ci/ruff.sh"
-
-shellcheck:
-  stage: lint
-  script:
-    - ".ci/shellcheck.sh"
-
-vermin:
-  stage: lint
-  script:
-    - ".ci/vermin.sh"
-
-mr-settings:
-  stage: lint
-  rules:
-    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
-  before_script:
-    - *global_before_scripts
-    - "apk -q add python3"
-    - "wget -q 'https://gitlab.com/postmarketOS/ci-common/-/raw/master/check_mr_settings.py'"
-  script:
-    - "python3 ./check_mr_settings.py"
-
-mypy:
-  stage: lint
-  script:
-    - ".ci/mypy.sh"
-
-docs:
-  stage: lint
-  script:
-    - ".ci/docs.sh"
-  artifacts:
-    paths:
-      - public
-
-deploy:
-  only:
-    - master
-  stage: deploy
-  before_script:
-    - apk -q add openssh-client rsync
-  script:
-    - mkdir "${HOME}/.ssh"
-    - echo "${SSH_HOST_KEY}" > "${HOME}/.ssh/known_hosts"
-    - echo "${SSH_PRIVATE_KEY}" > "${HOME}/.ssh/id_ed25519"
-    - chmod 700 "${HOME}/.ssh/id_ed25519"
-    - rsync -hrvz --delete -e "ssh -p ${SSH_PORT}" public/ "${SSH_HOST}":/var/www/docs.postmarketos.org/pmbootstrap/
-  environment:
-    name: deploy
-
 integration:
   stage: test
   before_script: