Merge pull request #7853 from MLH-Fellowship/integrate-uninstall-rein…

…stall

Allow references to casks when running uninstall and reinstall

Library/Homebrew/cli/args.rb

@@ -36,9 +36,11 @@ def freeze_named_args!(named_args)
         # Reset cache values reliant on named_args
         @formulae = nil
         @resolved_formulae = nil
+        @resolved_formulae_casks = nil
         @formulae_paths = nil
         @casks = nil
         @kegs = nil
+        @kegs_casks = nil
 
         self[:named_args] = named_args
         self[:named_args].freeze
@@ -96,6 +98,25 @@ def resolved_formulae
         end.uniq(&:name).freeze
       end
 
+      def resolved_formulae_casks
+        @resolved_formulae_casks ||= begin
+          resolved_formulae = []
+          casks = []
+
+          downcased_unique_named.each do |name|
+            resolved_formulae << Formulary.resolve(name, spec: spec(nil))
+          rescue FormulaUnavailableError
+            begin
+              casks << Cask::CaskLoader.load(name)
+            rescue Cask::CaskUnavailableError
+              raise "No available formula or cask with the name \"#{name}\""
+            end
+          end
+
+          [resolved_formulae.freeze, casks.freeze].freeze
+        end
+      end
+
       def formulae_paths
         @formulae_paths ||= (downcased_unique_named - casks).map do |name|
           Formulary.path(name)
@@ -108,55 +129,33 @@ def casks
       end
 
       def kegs
-        require "keg"
-        require "formula"
-        require "missing_formula"
-
         @kegs ||= downcased_unique_named.map do |name|
-          raise UsageError if name.empty?
-
-          rack = Formulary.to_rack(name.downcase)
-
-          dirs = rack.directory? ? rack.subdirs : []
-
-          if dirs.empty?
-            if (reason = Homebrew::MissingFormula.suggest_command(name, "uninstall"))
-              $stderr.puts reason
-            end
-            raise NoSuchKegError, rack.basename
+          resolve_keg name
+        rescue NoSuchKegError => e
+          if (reason = Homebrew::MissingFormula.suggest_command(name, "uninstall"))
+            $stderr.puts reason
           end
+          raise e
+        end.freeze
+      end
 
-          linked_keg_ref = HOMEBREW_LINKED_KEGS/rack.basename
-          opt_prefix = HOMEBREW_PREFIX/"opt/#{rack.basename}"
-
-          begin
-            if opt_prefix.symlink? && opt_prefix.directory?
-              Keg.new(opt_prefix.resolved_path)
-            elsif linked_keg_ref.symlink? && linked_keg_ref.directory?
-              Keg.new(linked_keg_ref.resolved_path)
-            elsif dirs.length == 1
-              Keg.new(dirs.first)
-            else
-              f = if name.include?("/") || File.exist?(name)
-                Formulary.factory(name)
-              else
-                Formulary.from_rack(rack)
-              end
-
-              unless (prefix = f.installed_prefix).directory?
-                raise MultipleVersionsInstalledError, rack.basename
-              end
-
-              Keg.new(prefix)
+      def kegs_casks
+        @kegs_casks ||= begin
+          kegs = []
+          casks = []
+
+          downcased_unique_named.each do |name|
+            kegs << resolve_keg(name)
+          rescue NoSuchKegError
+            begin
+              casks << Cask::CaskLoader.load(name)
+            rescue Cask::CaskUnavailableError
+              raise "No installed keg or cask with the name \"#{name}\""
             end
-          rescue FormulaUnavailableError
-            raise <<~EOS
-              Multiple kegs installed to #{rack}
-              However we don't know which one you refer to.
-              Please delete (with rm -rf!) all but one and then try again.
-            EOS
           end
-        end.freeze
+
+          [kegs.freeze, casks.freeze].freeze
+        end
       end
 
       def build_stable?
@@ -241,6 +240,50 @@ def spec(default = :stable)
           default
         end
       end
+
+      def resolve_keg(name)
+        require "keg"
+        require "formula"
+        require "missing_formula"
+
+        raise UsageError if name.blank?
+
+        rack = Formulary.to_rack(name.downcase)
+
+        dirs = rack.directory? ? rack.subdirs : []
+        raise NoSuchKegError, rack.basename if dirs.empty?
+
+        linked_keg_ref = HOMEBREW_LINKED_KEGS/rack.basename
+        opt_prefix = HOMEBREW_PREFIX/"opt/#{rack.basename}"
+
+        begin
+          if opt_prefix.symlink? && opt_prefix.directory?
+            Keg.new(opt_prefix.resolved_path)
+          elsif linked_keg_ref.symlink? && linked_keg_ref.directory?
+            Keg.new(linked_keg_ref.resolved_path)
+          elsif dirs.length == 1
+            Keg.new(dirs.first)
+          else
+            f = if name.include?("/") || File.exist?(name)
+              Formulary.factory(name)
+            else
+              Formulary.from_rack(rack)
+            end
+
+            unless (prefix = f.installed_prefix).directory?
+              raise MultipleVersionsInstalledError, "#{rack.basename} has multiple installed versions"
+            end
+
+            Keg.new(prefix)
+          end
+        rescue FormulaUnavailableError
+          raise MultipleVersionsInstalledError, <<~EOS
+            Multiple kegs installed to #{rack}
+            However we don't know which one you refer to.
+            Please delete (with rm -rf!) all but one and then try again.
+          EOS
+        end
+      end
     end
   end
 end

Library/Homebrew/cmd/reinstall.rb

@@ -6,6 +6,9 @@
 require "reinstall"
 require "cli/parser"
 require "cleanup"
+require "cask/cmd"
+require "cask/utils"
+require "cask/macos"
 require "upgrade"
 
 module Homebrew
@@ -57,7 +60,8 @@ def reinstall
 
     Install.perform_preinstall_checks
 
-    args.resolved_formulae.each do |f|
+    resolved_formulae, casks = args.resolved_formulae_casks
+    resolved_formulae.each do |f|
       if f.pinned?
         onoe "#{f.full_name} is pinned. You must unpin it to reinstall."
         next
@@ -70,5 +74,12 @@ def reinstall
     check_installed_dependents
 
     Homebrew.messages.display_messages
+
+    return if casks.blank?
+
+    reinstall_cmd = Cask::Cmd::Reinstall.new(casks)
+    reinstall_cmd.verbose = args.verbose?
+    reinstall_cmd.force = args.force?
+    reinstall_cmd.run
   end
 end

Library/Homebrew/cmd/uninstall.rb

@@ -5,6 +5,9 @@
 require "diagnostic"
 require "migrator"
 require "cli/parser"
+require "cask/all"
+require "cask/cmd"
+require "cask/cask_loader"
 
 module Homebrew
   module_function
@@ -29,15 +32,26 @@ def uninstall_args
   def uninstall
     uninstall_args.parse
 
-    kegs_by_rack = if args.force?
-      Hash[args.named.map do |name|
+    if args.force?
+      casks = []
+      kegs_by_rack = {}
+
+      args.named.each do |name|
         rack = Formulary.to_rack(name)
-        next unless rack.directory?
 
-        [rack, rack.subdirs.map { |d| Keg.new(d) }]
-      end]
+        if rack.directory?
+          kegs_by_rack[rack] = rack.subdirs.map { |d| Keg.new(d) }
+        else
+          begin
+            casks << Cask::CaskLoader.load(name)
+          rescue Cask::CaskUnavailableError
+            # Since the uninstall was forced, ignore any unavailable casks
+          end
+        end
+      end
     else
-      args.kegs.group_by(&:rack)
+      all_kegs, casks = args.kegs_casks
+      kegs_by_rack = all_kegs.group_by(&:rack)
     end
 
     handle_unsatisfied_dependents(kegs_by_rack)
@@ -108,6 +122,13 @@ def uninstall
         end
       end
     end
+
+    return if casks.blank?
+
+    cask_uninstall = Cask::Cmd::Uninstall.new(casks)
+    cask_uninstall.force = args.force?
+    cask_uninstall.verbose = args.verbose?
+    cask_uninstall.run
   rescue MultipleVersionsInstalledError => e
     ofail e
     puts "Run `brew uninstall --force #{e.name}` to remove all versions."

Library/Homebrew/exceptions.rb

@@ -29,14 +29,7 @@ def initialize
   end
 end
 
-class MultipleVersionsInstalledError < RuntimeError
-  attr_reader :name
-
-  def initialize(name)
-    @name = name
-    super "#{name} has multiple installed versions"
-  end
-end
+class MultipleVersionsInstalledError < RuntimeError; end
 
 class NotAKegError < RuntimeError; end
 

Library/Homebrew/test/exceptions_spec.rb

@@ -3,7 +3,7 @@
 require "exceptions"
 
 describe MultipleVersionsInstalledError do
-  subject { described_class.new("foo") }
+  subject { described_class.new("foo has multiple installed versions") }
 
   its(:to_s) { is_expected.to eq("foo has multiple installed versions") }
 end