brew/Library/Homebrew/rubocops/cask/no_overrides.rb
2023-05-09 04:28:25 +02:00

74 lines
2.8 KiB
Ruby

# typed: true
# frozen_string_literal: true
module RuboCop
module Cop
module Cask
class NoOverrides < Base
include CaskHelp
# These stanzas can be overridden by `on_*` blocks, so take them into account.
# TODO: Update this list if new stanzas are added to `Cask::DSL` that call `set_unique_stanza`.
OVERRIDEABLE_METHODS = [
:appcast, :arch, :auto_updates, :conflicts_with, :container,
:desc, :homepage, :sha256, :url, :version
].freeze
MESSAGE = "Do not use a top-level `%<stanza>s` stanza as the default. " \
"Add it to an `on_{system}` block instead. " \
"Use `:or_older` or `:or_newer` to specify a range of macOS versions."
def on_cask(cask_block)
cask_stanzas = cask_block.toplevel_stanzas
return if (on_blocks = on_system_methods(cask_stanzas)).none?
stanzas_in_blocks = on_system_stanzas(on_blocks)
cask_stanzas.each do |stanza|
# Skip if the stanza is not allowed to be overridden.
next unless OVERRIDEABLE_METHODS.include?(stanza.stanza_name)
# Skip if the stanza outside of a block is not also in an `on_*` block.
next unless stanzas_in_blocks.include?(stanza.stanza_name)
add_offense(stanza.source_range, message: format(MESSAGE, stanza: stanza.stanza_name))
end
end
def on_system_stanzas(on_system)
names = Set.new
method_nodes = on_system.map(&:method_node)
method_nodes.select(&:block_type?).each do |node|
node.child_nodes.each do |child|
child.each_node(:send) do |send_node|
# Skip (nested) livecheck blocks as its `url` is different to a download `url`.
next if send_node.method_name == :livecheck || inside_livecheck_block?(send_node)
# Skip string interpolations.
if send_node.ancestors.drop_while { |a| !a.begin_type? }.any? { |a| a.dstr_type? || a.regexp_type? }
next
end
next if RuboCop::Cask::Constants::ON_SYSTEM_METHODS.include?(send_node.method_name)
names.add(send_node.method_name)
end
end
end
names
end
def inside_livecheck_block?(node)
single_stanza_livecheck_block?(node) || multi_stanza_livecheck_block?(node)
end
def single_stanza_livecheck_block?(node)
node.parent.block_type? && node.parent.method_name == :livecheck
end
def multi_stanza_livecheck_block?(node)
grandparent_node = node.parent.parent
node.parent.begin_type? && grandparent_node.block_type? && grandparent_node.method_name == :livecheck
end
end
end
end
end