323 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			323 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: true
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| # frozen_string_literal: true
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| 
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| require "formula"
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| require "cli/parser"
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| require "cask/caskroom"
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| require "dependencies_helpers"
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| 
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| module Homebrew
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|   extend DependenciesHelpers
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| 
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|   sig { returns(CLI::Parser) }
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|   def self.deps_args
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|     Homebrew::CLI::Parser.new do
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|       description <<~EOS
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|         Show dependencies for <formula>. When given multiple formula arguments,
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|         show the intersection of dependencies for each formula. By default, `deps`
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|         shows all required and recommended dependencies.
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| 
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|         Note: `--missing` and `--skip-recommended` have precedence over `--include-*`.
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|       EOS
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|       switch "-n", "--topological",
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|              description: "Sort dependencies in topological order."
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|       switch "-1", "--direct", "--declared", "--1",
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|              description: "Show only the direct dependencies declared in the formula."
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|       switch "--union",
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|              description: "Show the union of dependencies for multiple <formula>, instead of the intersection."
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|       switch "--full-name",
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|              description: "List dependencies by their full name."
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|       switch "--include-build",
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|              description: "Include `:build` dependencies for <formula>."
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|       switch "--include-optional",
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|              description: "Include `:optional` dependencies for <formula>."
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|       switch "--include-test",
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|              description: "Include `:test` dependencies for <formula> (non-recursive)."
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|       switch "--skip-recommended",
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|              description: "Skip `:recommended` dependencies for <formula>."
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|       switch "--include-requirements",
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|              description: "Include requirements in addition to dependencies for <formula>."
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|       switch "--tree",
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|              description: "Show dependencies as a tree. When given multiple formula arguments, " \
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|                           "show individual trees for each formula."
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|       switch "--graph",
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|              description: "Show dependencies as a directed graph."
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|       switch "--dot",
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|              depends_on:  "--graph",
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|              description: "Show text-based graph description in DOT format."
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|       switch "--annotate",
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|              description: "Mark any build, test, optional, or recommended dependencies as " \
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|                           "such in the output."
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|       switch "--installed",
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|              description: "List dependencies for formulae that are currently installed. If <formula> is " \
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|                           "specified, list only its dependencies that are currently installed."
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|       switch "--missing",
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|              description: "Show only missing dependencies."
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|       switch "--eval-all",
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|              description: "Evaluate all available formulae and casks, whether installed or not, to list " \
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|                           "their dependencies."
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|       switch "--for-each",
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|              description: "Switch into the mode used by the `--all` option, but only list dependencies " \
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|                           "for each provided <formula>, one formula per line. This is used for " \
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|                           "debugging the `--installed`/`--all` display mode."
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|       switch "--formula", "--formulae",
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|              description: "Treat all named arguments as formulae."
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|       switch "--cask", "--casks",
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|              description: "Treat all named arguments as casks."
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| 
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|       conflicts "--tree", "--graph"
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|       conflicts "--installed", "--missing"
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|       conflicts "--installed", "--eval-all"
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|       conflicts "--installed", "--all"
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|       conflicts "--formula", "--cask"
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|       formula_options
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| 
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|       named_args [:formula, :cask]
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|     end
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|   end
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| 
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|   def self.deps
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|     args = deps_args.parse
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| 
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|     all = args.eval_all?
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| 
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|     Formulary.enable_factory_cache!
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| 
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|     recursive = !args.direct?
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|     installed = args.installed? || dependents(args.named.to_formulae_and_casks).all?(&:any_version_installed?)
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| 
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|     @use_runtime_dependencies = installed && recursive &&
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|                                 !args.tree? &&
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|                                 !args.graph? &&
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|                                 !args.include_build? &&
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|                                 !args.include_test? &&
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|                                 !args.include_optional? &&
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|                                 !args.skip_recommended? &&
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|                                 !args.missing?
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| 
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|     if args.tree? || args.graph?
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|       dependents = if args.named.present?
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|         sorted_dependents(args.named.to_formulae_and_casks)
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|       elsif args.installed?
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|         case args.only_formula_or_cask
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|         when :formula
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|           sorted_dependents(Formula.installed)
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|         when :cask
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|           sorted_dependents(Cask::Caskroom.casks)
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|         else
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|           sorted_dependents(Formula.installed + Cask::Caskroom.casks)
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|         end
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|       else
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|         raise FormulaUnspecifiedError
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|       end
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| 
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|       if args.graph?
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|         dot_code = dot_code(dependents, recursive: recursive, args: args)
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|         if args.dot?
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|           puts dot_code
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|         else
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|           exec_browser "https://dreampuf.github.io/GraphvizOnline/##{ERB::Util.url_encode(dot_code)}"
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|         end
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|         return
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|       end
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| 
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|       puts_deps_tree dependents, recursive: recursive, args: args
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|       return
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|     elsif all
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|       puts_deps sorted_dependents(Formula.all + Cask::Cask.all), recursive: recursive, args: args
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|       return
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|     elsif !args.no_named? && args.for_each?
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|       puts_deps sorted_dependents(args.named.to_formulae_and_casks), recursive: recursive, args: args
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|       return
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|     end
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| 
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|     if args.no_named?
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|       raise FormulaUnspecifiedError unless args.installed?
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| 
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|       sorted_dependents_formulae_and_casks = case args.only_formula_or_cask
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|       when :formula
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|         sorted_dependents(Formula.installed)
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|       when :cask
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|         sorted_dependents(Cask::Caskroom.casks)
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|       else
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|         sorted_dependents(Formula.installed + Cask::Caskroom.casks)
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|       end
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|       puts_deps sorted_dependents_formulae_and_casks, recursive: recursive, args: args
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|       return
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|     end
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| 
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|     dependents = dependents(args.named.to_formulae_and_casks)
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| 
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|     all_deps = deps_for_dependents(dependents, recursive: recursive, args: args, &(args.union? ? :| : :&))
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|     condense_requirements(all_deps, args: args)
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|     all_deps.map! { |d| dep_display_name(d, args: args) }
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|     all_deps.uniq!
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|     all_deps.sort! unless args.topological?
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|     puts all_deps
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|   end
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| 
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|   def self.sorted_dependents(formulae_or_casks)
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|     dependents(formulae_or_casks).sort_by(&:name)
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|   end
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| 
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|   def self.condense_requirements(deps, args:)
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|     deps.select! { |dep| dep.is_a?(Dependency) } unless args.include_requirements?
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|     deps.select! { |dep| dep.is_a?(Requirement) || dep.installed? } if args.installed?
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|   end
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| 
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|   def self.dep_display_name(dep, args:)
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|     str = if dep.is_a? Requirement
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|       if args.include_requirements?
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|         ":#{dep.display_s}"
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|       else
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|         # This shouldn't happen, but we'll put something here to help debugging
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|         "::#{dep.name}"
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|       end
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|     elsif args.full_name?
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|       dep.to_formula.full_name
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|     else
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|       dep.name
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|     end
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| 
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|     if args.annotate?
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|       str = "#{str} " if args.tree?
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|       str = "#{str} [build]" if dep.build?
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|       str = "#{str} [test]" if dep.test?
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|       str = "#{str} [optional]" if dep.optional?
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|       str = "#{str} [recommended]" if dep.recommended?
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|       str = "#{str} [implicit]" if dep.implicit?
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|     end
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| 
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|     str
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|   end
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| 
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|   def self.deps_for_dependent(dependency, args:, recursive: false)
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|     includes, ignores = args_includes_ignores(args)
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| 
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|     deps = dependency.runtime_dependencies if @use_runtime_dependencies
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| 
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|     if recursive
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|       deps ||= recursive_includes(Dependency, dependency, includes, ignores)
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|       reqs   = recursive_includes(Requirement, dependency, includes, ignores)
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|     else
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|       deps ||= select_includes(dependency.deps, ignores, includes)
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|       reqs   = select_includes(dependency.requirements, ignores, includes)
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|     end
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| 
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|     deps + reqs.to_a
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|   end
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| 
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|   def self.deps_for_dependents(dependents, args:, recursive: false, &block)
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|     dependents.map { |d| deps_for_dependent(d, recursive: recursive, args: args) }.reduce(&block)
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|   end
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| 
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|   def self.puts_deps(dependents, args:, recursive: false)
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|     dependents.each do |dependent|
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|       deps = deps_for_dependent(dependent, recursive: recursive, args: args)
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|       condense_requirements(deps, args: args)
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|       deps.sort_by!(&:name)
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|       deps.map! { |d| dep_display_name(d, args: args) }
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|       puts "#{dependent.full_name}: #{deps.join(" ")}"
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|     end
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|   end
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| 
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|   def self.dot_code(dependents, recursive:, args:)
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|     dep_graph = {}
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|     dependents.each do |d|
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|       graph_deps(d, dep_graph: dep_graph, recursive: recursive, args: args)
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|     end
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| 
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|     dot_code = dep_graph.map do |d, deps|
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|       deps.map do |dep|
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|         attributes = []
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|         attributes << "style = dotted" if dep.build?
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|         attributes << "arrowhead = empty" if dep.test?
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|         if dep.optional?
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|           attributes << "color = red"
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|         elsif dep.recommended?
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|           attributes << "color = green"
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|         end
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|         comment = " # #{dep.tags.map(&:inspect).join(", ")}" if dep.tags.any?
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|         "  \"#{d.name}\" -> \"#{dep}\"#{" [#{attributes.join(", ")}]" if attributes.any?}#{comment}"
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|       end
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|     end.flatten.join("\n")
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|     "digraph {\n#{dot_code}\n}"
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|   end
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| 
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|   def self.graph_deps(formula, dep_graph:, recursive:, args:)
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|     return if dep_graph.key?(formula)
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| 
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|     dependables = dependables(formula, args: args)
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|     dep_graph[formula] = dependables
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|     return unless recursive
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| 
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|     dependables.each do |dep|
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|       next unless dep.is_a? Dependency
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| 
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|       graph_deps(Formulary.factory(dep.name),
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|                  dep_graph: dep_graph,
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|                  recursive: true,
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|                  args:      args)
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|     end
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|   end
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| 
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|   def self.puts_deps_tree(dependents, args:, recursive: false)
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|     dependents.each do |d|
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|       puts d.full_name
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|       recursive_deps_tree(d, dep_stack: [], prefix: "", recursive: recursive, args: args)
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|       puts
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|     end
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|   end
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| 
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|   def self.dependables(formula, args:)
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|     includes, ignores = args_includes_ignores(args)
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|     deps = @use_runtime_dependencies ? formula.runtime_dependencies : formula.deps
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|     deps = select_includes(deps, ignores, includes)
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|     reqs = select_includes(formula.requirements, ignores, includes) if args.include_requirements?
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|     reqs ||= []
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|     reqs + deps
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|   end
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| 
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|   def self.recursive_deps_tree(formula, dep_stack:, prefix:, recursive:, args:)
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|     dependables = dependables(formula, args: args)
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|     max = dependables.length - 1
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|     dep_stack.push formula.name
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|     dependables.each_with_index do |dep, i|
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|       tree_lines = if i == max
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|         "└──"
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|       else
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|         "├──"
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|       end
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| 
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|       display_s = "#{tree_lines} #{dep_display_name(dep, args: args)}"
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| 
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|       # Detect circular dependencies and consider them a failure if present.
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|       is_circular = dep_stack.include?(dep.name)
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|       if is_circular
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|         display_s = "#{display_s} (CIRCULAR DEPENDENCY)"
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|         Homebrew.failed = true
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|       end
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| 
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|       puts "#{prefix}#{display_s}"
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| 
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|       next if !recursive || is_circular
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| 
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|       prefix_addition = if i == max
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|         "    "
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|       else
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|         "│   "
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|       end
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| 
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|       next unless dep.is_a? Dependency
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| 
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|       recursive_deps_tree(Formulary.factory(dep.name),
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|                           dep_stack: dep_stack,
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|                           prefix:    prefix + prefix_addition,
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|                           recursive: true,
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|                           args:      args)
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|     end
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| 
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|     dep_stack.pop
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|   end
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| end
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