b42f76939c
With the way uninstall is set up at the moment, it's pretty difficult to add functionality to both the --force and normal variants. Extracting the racks and kegs to be uninstalled before uninstalling them should make this easier.
86 lines
2.4 KiB
Ruby
86 lines
2.4 KiB
Ruby
#: * `uninstall`, `rm`, `remove` [`--force`] <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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require "keg"
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require "formula"
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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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ARGV.named.map do |name|
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rack = Formulary.to_rack(name)
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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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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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dependents = keg.installed_dependents - ARGV.kegs
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if dependents.any?
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dependents_output = dependents.map { |k| "#{k.name} #{k.version}" }.join(", ")
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conjugation = dependents.count == 1 ? "is" : "are"
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ofail "Refusing to uninstall #{keg} because it is required by #{dependents_output}, which #{conjugation} currently installed."
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puts "You can override this and force removal with `brew uninstall --force #{keg.name}`."
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next
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end
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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 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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