Class: Dependabot::Nix::FileParser

Inherits:
FileParsers::Base
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/nix/file_parser.rb

Constant Summary collapse

SUPPORTED_SOURCE_TYPES =

Updatable source types: git-backed sources plus NixOS channel tarballs.

T.let(%w(github gitlab sourcehut git tarball).freeze, T::Array[String])
SUPPORTED_LOCK_VERSION = 
7
DEFAULT_HOSTS = 
T.let(
  {
    "github" => "github.com",
    "gitlab" => "gitlab.com",
    "sourcehut" => "git.sr.ht"
  }.freeze,
  T::Hash[String, String]
)

Instance Method Summary collapse

Instance Method Details

#ecosystem ⇒ Object 



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# File 'lib/dependabot/nix/file_parser.rb', line 58

def ecosystem
  @ecosystem ||= T.let(
    Ecosystem.new(
      name: ECOSYSTEM,
      package_manager: package_manager
    ),
    T.nilable(Dependabot::Ecosystem)
  )
end

#parse ⇒ Object 



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# File 'lib/dependabot/nix/file_parser.rb', line 34

def parse
  lock_content = JSON.parse(T.must(flake_lock.content))

  lock_version = lock_content["version"]
  if lock_version != SUPPORTED_LOCK_VERSION
    Dependabot.logger.warn(
      "flake.lock version #{lock_version.inspect} differs from expected #{SUPPORTED_LOCK_VERSION}"
    )
  end

  root_name = lock_content.fetch("root", "root")
  nodes = lock_content.fetch("nodes", {})
  root_node = nodes.fetch(root_name, {})
  root_inputs = root_node.fetch("inputs", {})

  root_inputs.filter_map do |input_name, node_label|
    node = resolve_node(node_label, nodes)
    next unless node

    build_dependency(input_name, node)
  end
end