Support `--cask` flag in `brew uninstall`.

Library/Homebrew/cli/named_args.rb

@@ -6,6 +6,7 @@ require "delegate"
 require "cask/cask_loader"
 require "cli/args"
 require "formulary"
+require "keg"
 require "missing_formula"
 
 module Homebrew
@@ -14,6 +15,8 @@ module Homebrew
     #
     # @api private
     class NamedArgs < Array
+      extend T::Sig
+
       def initialize(*args, parent: Args.new, override_spec: nil, force_bottle: false, flags: [])
         @args = args
         @override_spec = override_spec
@@ -39,9 +42,9 @@ module Homebrew
         end
       end
 
-      def to_formulae_to_casks(method: nil, only: nil)
+      def to_formulae_to_casks(only: nil, method: nil)
         @to_formulae_to_casks ||= {}
-        @to_formulae_to_casks[[method, only]] = to_formulae_and_casks(method: method, only: only)
+        @to_formulae_to_casks[[method, only]] = to_formulae_and_casks(only: only, method: method)
                                                 .partition { |o| o.is_a?(Formula) }
                                                 .map(&:freeze).freeze
       end
@@ -62,14 +65,16 @@ module Homebrew
             when nil, :factory
               Formulary.factory(name, *spec, force_bottle: @force_bottle, flags: @flags)
             when :resolve
-              Formulary.resolve(name, spec: spec, force_bottle: @force_bottle, flags: @flags)
+              resolve_formula(name)
+            when :keg
+              resolve_keg(name)
             else
               raise
             end
 
             warn_if_cask_conflicts(name, "formula") unless only == :formula
             return formula
-          rescue FormulaUnavailableError => e
+          rescue NoSuchKegError, FormulaUnavailableError => e
             raise e if only == :formula
           end
         end
@@ -97,7 +102,7 @@ module Homebrew
       end
 
       def to_resolved_formulae_to_casks(only: nil)
-        to_formulae_to_casks(method: :resolve, only: only)
+        to_formulae_to_casks(only: only, method: :resolve)
       end
 
       # Convert named arguments to {Formula} or {Cask} objects.
@@ -105,7 +110,7 @@ module Homebrew
       # formula and prints a warning unless `only` is specified.
       def to_objects(only: nil, method: nil)
         @to_objects ||= {}
-        @to_objects[only] ||= downcased_unique_named.flat_map do |name|
+        @to_objects[only] ||= downcased_unique_named.map do |name|
           load_formula_or_cask(name, only: only, method: method)
         end.uniq.freeze
       end
@@ -142,44 +147,33 @@ module Homebrew
         end.uniq.freeze
       end
 
+      sig { returns(T::Array[Keg]) }
       def to_kegs
-        @to_kegs ||= downcased_unique_named.map do |name|
-          resolve_keg name
+        @to_kegs ||= begin
+          to_formulae_and_casks(only: :formula, method: :keg).freeze
         rescue NoSuchKegError => e
-          if (reason = Homebrew::MissingFormula.suggest_command(name, "uninstall"))
+          if (reason = Homebrew::MissingFormula.suggest_command(e.name, "uninstall"))
             $stderr.puts reason
           end
           raise e
-        end.freeze
+        end
       end
 
-      def to_kegs_to_casks
-        @to_kegs_to_casks ||= begin
-          kegs = []
-          casks = []
-
-          downcased_unique_named.each do |name|
-            kegs << resolve_keg(name)
-
-            warn_if_cask_conflicts(name, "keg")
-          rescue NoSuchKegError, FormulaUnavailableError
-            begin
-              casks << Cask::CaskLoader.load(name, config: Cask::Config.from_args(@parent))
-            rescue Cask::CaskUnavailableError
-              raise "No installed keg or cask with the name \"#{name}\""
-            end
-          end
-
-          [kegs.freeze, casks.freeze].freeze
-        end
+      sig { params(only: Symbol).returns([T::Array[Keg], T::Array[Cask::Cask]]) }
+      def to_kegs_to_casks(only: nil)
+        @to_kegs_to_casks ||= to_formulae_and_casks(only: only, method: :keg)
+                              .partition { |o| o.is_a?(Keg) }
+                              .map(&:freeze).freeze
       end
 
+      sig { returns(T::Array[String]) }
       def homebrew_tap_cask_names
         downcased_unique_named.grep(HOMEBREW_CASK_TAP_CASK_REGEX)
       end
 
       private
 
+      sig { returns(T::Array[String]) }
       def downcased_unique_named
         # Only lowercase names, not paths, bottle filenames or URLs
         map do |arg|

Library/Homebrew/cmd/uninstall.rb

@@ -29,6 +29,12 @@ module Homebrew
              description: "Don't fail uninstall, even if <formula> is a dependency of any installed "\
                           "formulae."
 
+      switch "--formula", "--formulae",
+             description: "Treat all named arguments as formulae."
+      switch "--cask", "--casks",
+             description: "Treat all named arguments as casks."
+      conflicts "--formula", "--cask"
+
       min_named :formula
     end
   end
@@ -36,25 +42,29 @@ module Homebrew
   def uninstall
     args = uninstall_args.parse
 
+    only = :formula if args.formula? && !args.cask?
+    only = :cask if args.cask? && !args.formula?
+
     if args.force?
       casks = []
       kegs_by_rack = {}
 
       args.named.each do |name|
-        rack = Formulary.to_rack(name)
-
-        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
+        if only != :cask
+          rack = Formulary.to_rack(name)
+          kegs_by_rack[rack] = rack.subdirs.map { |d| Keg.new(d) } if rack.directory?
+        end
+
+        next if only == :formula
+
+        begin
+          casks << Cask::CaskLoader.load(name)
+        rescue Cask::CaskUnavailableError
+          # Since the uninstall was forced, ignore any unavailable casks.
         end
       end
     else
-      all_kegs, casks = args.named.to_kegs_to_casks
+      all_kegs, casks = args.named.to_kegs_to_casks(only: only)
       kegs_by_rack = all_kegs.group_by(&:rack)
     end
 

docs/Manpage.md

@@ -571,6 +571,10 @@ Uninstall *`formula`*.
   Delete all installed versions of *`formula`*.
 * `--ignore-dependencies`:
   Don't fail uninstall, even if *`formula`* is a dependency of any installed formulae.
+* `--formula`:
+  Treat all named arguments as formulae.
+* `--cask`:
+  Treat all named arguments as casks.
 
 ### `unlink` [*`options`*] *`formula`*
 

manpages/brew.1

@@ -793,6 +793,14 @@ Delete all installed versions of \fIformula\fR\.
 \fB\-\-ignore\-dependencies\fR
 Don\'t fail uninstall, even if \fIformula\fR is a dependency of any installed formulae\.
 .
+.TP
+\fB\-\-formula\fR
+Treat all named arguments as formulae\.
+.
+.TP
+\fB\-\-cask\fR
+Treat all named arguments as casks\.
+.
 .SS "\fBunlink\fR [\fIoptions\fR] \fIformula\fR"
 Remove symlinks for \fIformula\fR from Homebrew\'s prefix\. This can be useful for temporarily disabling a formula: \fBbrew unlink\fR \fIformula\fR \fB&&\fR \fIcommands\fR \fB&& brew link\fR \fIformula\fR
 .