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