4538d80db1
Otherwise there's an error which is a regression on previous functionality. This mirrors `rm -f` which doesn't fail if a file doesn't exist.
111 lines
3.1 KiB
Ruby
111 lines
3.1 KiB
Ruby
#: * `uninstall`, `rm`, `remove` [`--force`] [`--ignore-dependencies`] <formula>:
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#: Uninstall <formula>.
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#:
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#: If `--force` is passed, and there are multiple versions of <formula>
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#: installed, delete all installed versions.
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#:
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#: If `--ignore-dependencies` is passed, uninstalling won't fail, even if
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#: formulae depending on <formula> would still be installed.
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require "keg"
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require "formula"
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require "diagnostic"
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require "migrator"
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module Homebrew
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module_function
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def uninstall
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raise KegUnspecifiedError if ARGV.named.empty?
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kegs_by_rack = if ARGV.force?
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Hash[ARGV.named.map do |name|
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rack = Formulary.to_rack(name)
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next unless rack.directory?
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[rack, rack.subdirs.map { |d| Keg.new(d) }]
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end]
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else
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ARGV.kegs.group_by(&:rack)
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end
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if should_check_for_dependents?
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all_kegs = kegs_by_rack.values.flatten(1)
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return if check_for_dependents all_kegs
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end
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kegs_by_rack.each do |rack, kegs|
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if ARGV.force?
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name = rack.basename
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if rack.directory?
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puts "Uninstalling #{name}... (#{rack.abv})"
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kegs.each do |keg|
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keg.unlink
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keg.uninstall
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end
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end
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rm_pin rack
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else
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kegs.each do |keg|
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keg.lock do
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puts "Uninstalling #{keg}... (#{keg.abv})"
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keg.unlink
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keg.uninstall
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rack = keg.rack
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rm_pin rack
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if rack.directory?
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versions = rack.subdirs.map(&:basename)
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verb = versions.length == 1 ? "is" : "are"
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puts "#{keg.name} #{versions.join(", ")} #{verb} still installed."
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puts "Remove all versions with `brew uninstall --force #{keg.name}`."
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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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rescue MultipleVersionsInstalledError => e
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ofail e
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puts "Use `brew uninstall --force #{e.name}` to remove all versions."
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ensure
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# If we delete Cellar/newname, then Cellar/oldname symlink
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# can become broken and we have to remove it.
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if HOMEBREW_CELLAR.directory?
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HOMEBREW_CELLAR.children.each do |rack|
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rack.unlink if rack.symlink? && !rack.resolved_path_exists?
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end
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end
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end
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def should_check_for_dependents?
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# --ignore-dependencies, to be consistent with install
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return false if ARGV.include?("--ignore-dependencies")
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return false if ARGV.homebrew_developer?
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true
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end
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def check_for_dependents(kegs)
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return false unless result = Keg.find_some_installed_dependents(kegs)
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requireds, dependents = result
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msg = "Refusing to uninstall #{requireds.join(", ")} because "
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msg << (requireds.count == 1 ? "it is" : "they are")
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msg << " required by #{dependents.join(", ")}, which "
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msg << (dependents.count == 1 ? "is" : "are")
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msg << " currently installed."
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ofail msg
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print "You can override this and force removal with "
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puts "`brew uninstall --ignore-dependencies #{requireds.map(&:name).join(" ")}`."
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true
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end
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def rm_pin(rack)
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Formulary.from_rack(rack).unpin
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rescue
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nil
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end
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end
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