---
type: map
mapping:
  revision
    type:      int
    required:  true
  name:
    type:      str
    pattern:   /^\w+$/  # package name
    required:  true
  version:
    type:      str
    pattern:   /^\d(\.\w+)*/
    required:  true
  codename:
    type:      str
    pattern:   /[^\n]/  # no newline
  title
    type:      str
    pattern:   /[^\n]/  # no newline
  date:
    type:      str
    pattern:   /^\d{4}-\d{2}-\d{2}(\d{2}){0,3}$/  # utc date
  created:
    type:      str
    pattern:   /^\d{4}-\d{2}-\d{2}(\d{2}){0,3}$/  # utc date
  summary:
    type:      str
    pattern:   /[^\n]/  # no newline
  description:
    type:      str
  authors:
    type:      seq
    sequence:
      - type:      map
        mapping:
          name:
            type:      str
          email:
            type:      str
            pattern:   /@/
          url:
            type:      str
          role:
            type:      seq
  suite:
    type:     str
    pattern:  /[^\n]/  # no newline
  organization:
    type:     str
    pattern:  /[^\n]/  # no newline
  copyright:
    type:     seq
    sequence:
      - type:      map
        mapping:
          holder:
            type:      str
            pattern:   /[^\n]/  # no newline
          year:
            type:      str
            pattern:   /^\d{4}([-,]^\d{4})?$/
          license:
            type:      str
            pattern:   /[^\n]/  # no newline
  requirements: &requirements
    type:     seq
    sequence:
      - type:      map
        mapping:
          name:
            type:      str
            pattern:  /[^\n]/  # no newline
          version:
            type:      seq
            sequence:
              - type:      str
                pattern:   /^\d(\.\w+)*/
          group:
            type:      seq
            sequence:
              - type:      str
                pattern:   /[^\n]/ # no newline
          development:
            type:      bool
          optional:
            type:      bool
          engine:
            type:      seq
            sequence:
              - type:      map
                mapping:
                  name:
                    type:      str
                    pattern:   /[^\n]/ # no newline
                  version:
                    type:      str
                    pattern:   /^\d/
          platform:
            type:      seq
            sequence:
              - type:      str
                pattern:   /[^\n]/ # no newline
          repository:
            - type:      map
              mapping:
                url:
                  type:      str
                  pattern:   /[^\n]/ # url
                scm:
                  type:      str
                  pattern:   /[^\n]/ # no newline
  dependencies: *requirements
  conflicts:
    type:     seq
    sequence:
      - type:      map
        mapping:
          name:
            type:      str
            pattern:   /^\w+$/  # package name
          version:
            type:      seq
            sequence:
              - type:      str
                pattern:  /[^\n]/  # version constraint
  substitues:
    type:      seq
    sequence:
      - type:      str
        pattern:   /^\w+$/  # package name
  replaces:
    type:      seq
    sequence:
      - type:      str
        pattern:   /^\w+$/  # package name

  resources:
    type:      seq
    sequence:
      - type:      map
        mapping:
          id:
            type:      str
            pattern:   /[^\n]/ # no newline
          url:
            type:      str
            pattern:   //  # url
            required:  true
  repositories:
    type:      seq
    sequence:
      - type:      map
        mapping:
          id:
            type:      str
            pattern:   /[^\n]/ # no newline
          url:
            type:      str
            pattern:   //  # url
            required:  true
          scm:
            type:      str
            pattern:   /^\w$/  # word
  load_path:
    type:      seq
    sequence:
      - type:      str
        pattern:   /\S/  # path
    default: [lib]
  install_message:
    type:      str
  extra:
    type:      map