OCIContainer.container_engine -> OCIContainer.engine
OCIContainer.docker_image -> OCIContainer.image
Variables that refer to 'docker_images' have been renamed to
'container_images'
* feat: support passenv
* refactor: environment-pass and spaces
* docs: document environment pass
* Add unit test for passing through awkward env variable values
* Remove unused as_shell_commands method from environment
* Fix passthrough edge case by avoiding bash for passthrough assignments
* Fix mypy error in test
* Fix unit test
* Apply suggestions from code review
Co-authored-by: Joe Rickerby <joerick@mac.com>
* Add test for defaults, fix platform detection
* Improve correctness of reader.identifier with block
* Fix options test to be multiplatform
* 'Refactored by Sourcery'
docs: write a section on overrides
tests: test docker launches
feat: add identifiers to launches
test: add test for correct build step generation
Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>