---
revision:
  type:      int
  required:  true
name:
  type:      str
  regexp:    /^\w+$/  # package name
  required:  true
version:
  type:      str
  regexp:    /^\d(\.\w+)*/
  required:  true
codename:
  type:      str
  regexp:    /[^\n]/  # no newline
title
  type:      str
  regexp:    /[^\n]/  # no newline
date:
  type: str
  pic:  &pic-date 9999-99-99[ 99:99:99]
created:
  type: str
  pic:  &pic-date
summary:
  type:   str
  regexp: /[^\n]/  # no newline
description:
  type: str
authors:
  type: seq
  value:
    type: map
    mapping:
      name:
        type:   str
      email:
        type:   str
        regexp: /@/
      url:
        type:   str
      roles:
        type:   seq
suite:
  type:    str
  regexp: /[^\n]/  # no newline
organization:
  type:    str
  regexp: /[^\n]/  # no newline
copyrights:
  type: seq
  value:
    type: map
    template:
      holder:
        type:   str
        regexp: /[^\n]/  # no newline
      year:
        type:   str
        regexp: /^\d{4}([-,]^\d{4})?$/
      license:
        type:   str
        regexp: /[^\n]/  # no newline
requirements: &requirements
  type: seq
  value:
    type: map
    template:
      name:
        type:   str
        regexp: /[^\n]/  # no newline
      version:
        type: seq
        value:
          type:   str
          regexp: /^\d(\.\w+)*/
      groups:
        type: seq
        value:
          type:   str
          regexp: /[^\n]/ # no newline
      development:
        type: bool
      optional:
        type: bool
      engine:
        type: seq
        value:
          type: map
          template:
            name:
              type:   str
              regexp: /[^\n]/ # no newline
            version:
              type:   str
              regexp: /^\d/
      platform:
        type: seq
        value:
          type:   str
          regexp: /[^\n]/ # no newline
      repository:
        type: map
        template:
          url:
            type:   str
            regexp: /[^\n]/ # url
          scm:
            type:   str
            regexp: /[^\n]/ # no newline
dependencies: *requirements
conflicts:
  type: seq
  value:
    type: map
    map:
      name:
        type:   str
        regexp: /^\w+$/  # package name
      version:
        type: seq
        value:
          type:   str
          regexp: /[^\n]/  # version constraint
substitues:
  type: seq
  value:
    type:   str
    regexp: /^\w+$/  # package name
replaces:
  type: seq
  value:
    type:   str
    regexp: /^\w+$/  # package name
resources:
  type: seq
  value:
    type: map
    map:
      name:
        type:   str
        regexp: /[^\n]/ # no newline
      uri:
        type:   str
        regexp: /^http/  # url/irc
        required: true
repositories:
  type: seq
  value:
    type: map
    map:
      name:
        type:   str
        regexp: /[^\n]/ # no newline
      url:
        type: str
        regexp: //  # url
        required:  true
      scm:
        type:   str
        regexp: /^\w$/  # word
load_path:
  type: seq
  value:
    type:   str
    regexp: /\S/  # path
  default: [lib]
install_message:
  type: str
extra:
  type: map