Class and node definitions
==========================

Classes and nodes are YAML files parsed by reclass.


Classes
-------

Lowercase classes are reusable, (relatively) objective core classes.
Never include documentation, and avoid pkg-auto or pkg-avoid items.

Capital classes (first letter uppercase) and their subclasses are
subjective high-level bundles.  Always include documentation.


Nodes
-----

Nodes should only use capital classes, to have all actions documented.


Parameters
----------

doc: Documentation
doc-headline: Headline for a group of classes
doc-pkg: Description of purpose of pkg lists in this class
doc-tweak: Description of purpose of tweak in this class

pkg: Packages to install
pkg-auto: Packages to mark auto-installed if installed
pkg-avoid: Packages to remove

tweak: Tweaks to apply after package actions


Tweaks
------

Tweaks are code snippets executed by a POSIX shell.

Avoid ${...} (reclass use it for parameter interpolation), e.g. by
adding dummy quotes like this: "dpkg-query -Wf='$''{Depends}\n' foo".

Write tweaks for use with debian-installer, using either of below which
will be stripped when generating script target:
  * "chroot /target "
  * "/target/"