Port Homebrew::Cmd::Link
This commit is contained in:
Douglas Eichelberger
parent
8ab9d2cbad
commit
22bfd9b230
@ -1,135 +1,136 @@
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# typed: true
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# frozen_string_literal: true
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require "abstract_command"
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require "caveats"
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require "cli/parser"
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require "unlink"
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module Homebrew
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module_function
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sig { returns(CLI::Parser) }
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def link_args
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Homebrew::CLI::Parser.new do
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description <<~EOS
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Symlink all of <formula>'s installed files into Homebrew's prefix.
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This is done automatically when you install formulae but can be useful
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for manual installations.
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EOS
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switch "--overwrite",
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description: "Delete files that already exist in the prefix while linking."
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switch "-n", "--dry-run",
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description: "List files which would be linked or deleted by " \
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"`brew link --overwrite` without actually linking or deleting any files."
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switch "-f", "--force",
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description: "Allow keg-only formulae to be linked."
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switch "--HEAD",
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description: "Link the HEAD version of the formula if it is installed."
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named_args :installed_formula, min: 1
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end
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end
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def link
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args = link_args.parse
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options = {
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overwrite: args.overwrite?,
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dry_run: args.dry_run?,
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verbose: args.verbose?,
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}
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kegs = if args.HEAD?
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args.named.to_kegs.group_by(&:name).filter_map do |name, resolved_kegs|
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head_keg = resolved_kegs.find { |keg| keg.version.head? }
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next head_keg if head_keg.present?
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opoo <<~EOS
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No HEAD keg installed for #{name}
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To install, run:
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brew install --HEAD #{name}
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module Cmd
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class Link < AbstractCommand
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cmd_args do
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description <<~EOS
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Symlink all of <formula>'s installed files into Homebrew's prefix.
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This is done automatically when you install formulae but can be useful
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for manual installations.
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EOS
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end
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else
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args.named.to_latest_kegs
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end
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switch "--overwrite",
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description: "Delete files that already exist in the prefix while linking."
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switch "-n", "--dry-run",
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description: "List files which would be linked or deleted by " \
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"`brew link --overwrite` without actually linking or deleting any files."
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switch "-f", "--force",
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description: "Allow keg-only formulae to be linked."
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switch "--HEAD",
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description: "Link the HEAD version of the formula if it is installed."
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kegs.freeze.each do |keg|
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keg_only = Formulary.keg_only?(keg.rack)
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if keg.linked?
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opoo "Already linked: #{keg}"
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name_and_flag = "#{"--HEAD " if args.HEAD?}#{"--force " if keg_only}#{keg.name}"
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puts <<~EOS
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To relink, run:
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brew unlink #{keg.name} && brew link #{name_and_flag}
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EOS
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next
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named_args :installed_formula, min: 1
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end
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if args.dry_run?
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if args.overwrite?
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puts "Would remove:"
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sig { override.void }
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def run
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options = {
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overwrite: args.overwrite?,
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dry_run: args.dry_run?,
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verbose: args.verbose?,
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}
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kegs = if args.HEAD?
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args.named.to_kegs.group_by(&:name).filter_map do |name, resolved_kegs|
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head_keg = resolved_kegs.find { |keg| keg.version.head? }
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next head_keg if head_keg.present?
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opoo <<~EOS
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No HEAD keg installed for #{name}
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To install, run:
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brew install --HEAD #{name}
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EOS
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end
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else
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puts "Would link:"
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end
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keg.link(**options)
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puts_keg_only_path_message(keg) if keg_only
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next
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end
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formula = begin
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keg.to_formula
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rescue FormulaUnavailableError
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# Not all kegs may belong to formulae
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nil
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end
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if keg_only
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if HOMEBREW_PREFIX.to_s == HOMEBREW_DEFAULT_PREFIX && formula.present? && formula.keg_only_reason.by_macos?
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caveats = Caveats.new(formula)
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opoo <<~EOS
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Refusing to link macOS provided/shadowed software: #{keg.name}
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#{caveats.keg_only_text(skip_reason: true).strip}
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EOS
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next
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args.named.to_latest_kegs
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end
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if !args.force? && (formula.blank? || !formula.keg_only_reason.versioned_formula?)
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opoo "#{keg.name} is keg-only and must be linked with `--force`."
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puts_keg_only_path_message(keg)
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next
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kegs.freeze.each do |keg|
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keg_only = Formulary.keg_only?(keg.rack)
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if keg.linked?
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opoo "Already linked: #{keg}"
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name_and_flag = "#{"--HEAD " if args.HEAD?}#{"--force " if keg_only}#{keg.name}"
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puts <<~EOS
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To relink, run:
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brew unlink #{keg.name} && brew link #{name_and_flag}
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EOS
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next
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end
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if args.dry_run?
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if args.overwrite?
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puts "Would remove:"
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else
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puts "Would link:"
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end
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keg.link(**options)
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puts_keg_only_path_message(keg) if keg_only
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next
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end
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formula = begin
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keg.to_formula
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rescue FormulaUnavailableError
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# Not all kegs may belong to formulae
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nil
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end
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if keg_only
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if HOMEBREW_PREFIX.to_s == HOMEBREW_DEFAULT_PREFIX && formula.present? &&
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formula.keg_only_reason.by_macos?
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caveats = Caveats.new(formula)
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opoo <<~EOS
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Refusing to link macOS provided/shadowed software: #{keg.name}
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#{caveats.keg_only_text(skip_reason: true).strip}
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EOS
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next
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end
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if !args.force? && (formula.blank? || !formula.keg_only_reason.versioned_formula?)
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opoo "#{keg.name} is keg-only and must be linked with `--force`."
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puts_keg_only_path_message(keg)
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next
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end
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end
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Unlink.unlink_versioned_formulae(formula, verbose: args.verbose?) if formula
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keg.lock do
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print "Linking #{keg}... "
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puts if args.verbose?
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begin
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n = keg.link(**options)
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rescue Keg::LinkError
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puts
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raise
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else
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puts "#{n} symlinks created."
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end
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puts_keg_only_path_message(keg) if keg_only && !Homebrew::EnvConfig.developer?
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end
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end
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end
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Unlink.unlink_versioned_formulae(formula, verbose: args.verbose?) if formula
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private
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keg.lock do
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print "Linking #{keg}... "
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puts if args.verbose?
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def puts_keg_only_path_message(keg)
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bin = keg/"bin"
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sbin = keg/"sbin"
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return if !bin.directory? && !sbin.directory?
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begin
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n = keg.link(**options)
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rescue Keg::LinkError
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puts
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raise
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else
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puts "#{n} symlinks created."
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end
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puts_keg_only_path_message(keg) if keg_only && !Homebrew::EnvConfig.developer?
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opt = HOMEBREW_PREFIX/"opt/#{keg.name}"
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puts "\nIf you need to have this software first in your PATH instead consider running:"
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puts " #{Utils::Shell.prepend_path_in_profile(opt/"bin")}" if bin.directory?
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puts " #{Utils::Shell.prepend_path_in_profile(opt/"sbin")}" if sbin.directory?
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end
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end
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end
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def puts_keg_only_path_message(keg)
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bin = keg/"bin"
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sbin = keg/"sbin"
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return if !bin.directory? && !sbin.directory?
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opt = HOMEBREW_PREFIX/"opt/#{keg.name}"
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puts "\nIf you need to have this software first in your PATH instead consider running:"
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puts " #{Utils::Shell.prepend_path_in_profile(opt/"bin")}" if bin.directory?
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puts " #{Utils::Shell.prepend_path_in_profile(opt/"sbin")}" if sbin.directory?
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end
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end
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@ -1,8 +1,9 @@
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# frozen_string_literal: true
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require "cmd/link"
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require "cmd/shared_examples/args_parse"
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RSpec.describe "brew link" do
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RSpec.describe Homebrew::Cmd::Link do
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it_behaves_like "parseable arguments"
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it "links a given Formula", :integration_test do
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