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f520301180
Co-authored-by: Sam Ford <1584702+samford@users.noreply.github.com> Co-authored-by: Thierry Moisan <thierry.moisan@gmail.com> Co-authored-by: Dawid Dziurla <dawidd0811@gmail.com> Co-authored-by: Maxim Belkin <maxim.belkin@gmail.com> Co-authored-by: Issy Long <me@issyl0.co.uk> Co-authored-by: Mike McQuaid <mike@mikemcquaid.com> Co-authored-by: Seeker <meaningseeking@protonmail.com>
87 lines
3.2 KiB
Ruby
87 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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module Homebrew
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module Livecheck
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# The `Livecheck::Strategy` module contains the various strategies as well
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# as some general-purpose methods for working with them. Within the context
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# of the `brew livecheck` command, strategies are established procedures
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# for finding new software versions at a given source.
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#
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# @api private
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module Strategy
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module_function
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# Strategy priorities informally range from 1 to 10, where 10 is the
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# highest priority. 5 is the default priority because it's roughly in
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# the middle of this range. Strategies with a priority of 0 (or lower)
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# are ignored.
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DEFAULT_PRIORITY = 5
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private_constant :DEFAULT_PRIORITY
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# Creates and/or returns a `@strategies` `Hash` ,which maps a snake
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# case strategy name symbol (e.g., `:page_match`) to the associated
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# `Strategy`.
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#
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# At present, this should only be called after tap strategies have been
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# loaded, otherwise livecheck won't be able to use them.
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# @return [Hash]
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def strategies
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return @strategies if defined? @strategies
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@strategies = {}
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constants.sort.each do |strategy_symbol|
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key = strategy_symbol.to_s.underscore.to_sym
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strategy = const_get(strategy_symbol)
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@strategies[key] = strategy
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end
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@strategies
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end
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private_class_method :strategies
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# Returns the `Strategy` that corresponds to the provided `Symbol` (or
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# `nil` if there is no matching `Strategy`).
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# @param symbol [Symbol] the strategy name in snake case as a `Symbol`
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# (e.g., `:page_match`)
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# @return [Strategy, nil]
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def from_symbol(symbol)
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strategies[symbol]
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end
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# Returns an array of strategies that apply to the provided URL.
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# @param url [String] the URL to check for matching strategies
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# @param regex_provided [Boolean] whether a regex is provided in a
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# `livecheck` block
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# @return [Array]
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def from_url(url, regex_provided = nil)
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usable_strategies = strategies.values.select do |strategy|
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# Ignore strategies with a priority of 0 or lower
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next if strategy.const_defined?(:PRIORITY) && !strategy::PRIORITY.positive?
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strategy.respond_to?(:match?) && strategy.match?(url)
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end
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usable_strategies << strategies[:page_match] if strategies.key?(:page_match) && regex_provided
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# Sort usable strategies in descending order by priority, using the
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# DEFAULT_PRIORITY when a strategy doesn't contain a PRIORITY constant
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usable_strategies.sort_by do |strategy|
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(strategy.const_defined?(:PRIORITY) ? -strategy::PRIORITY : -DEFAULT_PRIORITY)
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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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require_relative "strategy/apache"
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require_relative "strategy/bitbucket"
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require_relative "strategy/git"
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require_relative "strategy/gnome"
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require_relative "strategy/gnu"
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require_relative "strategy/hackage"
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require_relative "strategy/launchpad"
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require_relative "strategy/npm"
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require_relative "strategy/page_match"
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require_relative "strategy/pypi"
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require_relative "strategy/sourceforge"
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require_relative "strategy/xorg"
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