Module: Homebrew::Uninstall Private

Defined in:
uninstall.rb

Overview

This module is part of a private API. This module may only be used in the Homebrew/brew repository. Third parties should avoid using this module if possible, as it may be removed or changed without warning.

Helper module for uninstalling kegs.

Defined Under Namespace

Classes: DependentsMessage

Class Method Summary collapse

Class Method Details

.check_for_dependents!(kegs, casks: [], named_args: []) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'uninstall.rb', line 117

def self.check_for_dependents!(kegs, casks: [], named_args: [])
  return false unless (result = InstalledDependents.find_some_installed_dependents(kegs, casks:))

  DependentsMessage.new(*result, named_args:).output
  true
end

.handle_unsatisfied_dependents(kegs_by_rack, casks: [], ignore_dependencies: false, named_args: []) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'uninstall.rb', line 107

def self.handle_unsatisfied_dependents(kegs_by_rack, casks: [], ignore_dependencies: false, named_args: [])
  return if ignore_dependencies

  all_kegs = kegs_by_rack.values.flatten(1)
  check_for_dependents!(all_kegs, casks:, named_args:)
rescue MethodDeprecatedError
  # Silently ignore deprecations when uninstalling.
  nil
end

.rm_pin(rack) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'uninstall.rb', line 154

def self.rm_pin(rack)
  Formulary.from_rack(rack).unpin
rescue
  nil
end

.uninstall_kegs(kegs_by_rack, casks: [], force: false, ignore_dependencies: false, named_args: []) ⇒ Object

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning. 



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# File 'uninstall.rb', line 9

def self.uninstall_kegs(kegs_by_rack, casks: [], force: false, ignore_dependencies: false, named_args: [])
  handle_unsatisfied_dependents(kegs_by_rack,
                                casks:,
                                ignore_dependencies:,
                                named_args:)
  return if Homebrew.failed?

  kegs_by_rack.each do |rack, kegs|
    if force
      name = rack.basename

      if rack.directory?
        puts "Uninstalling #{name}... (#{rack.abv})"
        kegs.each do |keg|
          keg.unlink
          keg.uninstall
        end
      end

      rm_pin rack
    else
      kegs.each do |keg|
        begin
          f = Formulary.from_rack(rack)
          if f.pinned?
            onoe "#{f.full_name} is pinned. You must unpin it to uninstall."
            break # exit keg loop and move on to next rack
          end
        rescue
          nil
        end

        keg.lock do
          puts "Uninstalling #{keg}... (#{keg.abv})"
          keg.unlink
          keg.uninstall
          rack = keg.rack
          rm_pin rack

          if rack.directory?
            versions = rack.subdirs.map(&:basename)
            puts <<~EOS
              #{keg.name} #{versions.to_sentence} #{versions.one? ? "is" : "are"} still installed.
              To remove all versions, run:
                brew uninstall --force #{keg.name}
            EOS
          end

          next unless f

          paths = f.pkgetc.find.map(&:to_s) if f.pkgetc.exist?
          if paths.present?
            puts
            opoo <<~EOS
              The following #{f.name} configuration files have not been removed!
              If desired, remove them manually with `rm -rf`:
                #{paths.sort.uniq.join("\n  ")}
            EOS
          end

          unversioned_name = f.name.gsub(/@.+$/, "")
          maybe_paths = Dir.glob("#{f.etc}/#{unversioned_name}*")
          excluded_names = Homebrew::API::Formula.all_formulae.keys
          maybe_paths = maybe_paths.reject do |path|
            # Remove extension only if a file
            # (f.e. directory with name "openssl@1.1" will be trimmed to "openssl@1")
            basename = if File.directory?(path)
              File.basename(path)
            else
              File.basename(path, ".*")
            end
            excluded_names.include?(basename)
          end
          maybe_paths -= paths if paths.present?
          if maybe_paths.present?
            puts
            opoo <<~EOS
              The following may be #{f.name} configuration files and have not been removed!
              If desired, remove them manually with `rm -rf`:
                #{maybe_paths.sort.uniq.join("\n  ")}
            EOS
          end
        end
      end
    end
  end
rescue MultipleVersionsInstalledError => e
  ofail e
ensure
  # If we delete Cellar/newname, then Cellar/oldname symlink
  # can become broken and we have to remove it.
  if HOMEBREW_CELLAR.directory?
    HOMEBREW_CELLAR.children.each do |rack|
      rack.unlink if rack.symlink? && !rack.resolved_path_exists?
    end
  end
end