Pass args in uninstall instead of using global args.

Library/Homebrew/cmd/uninstall.rb

@@ -30,7 +30,7 @@ module Homebrew
   end
 
   def uninstall
-    uninstall_args.parse
+    args = uninstall_args.parse
 
     if args.force?
       casks = []
@@ -54,7 +54,9 @@ module Homebrew
       kegs_by_rack = all_kegs.group_by(&:rack)
     end
 
-    handle_unsatisfied_dependents(kegs_by_rack)
+    handle_unsatisfied_dependents(kegs_by_rack,
+                                  ignore_dependencies: args.ignore_dependencies?,
+                                  named_args:          args.named)
     return if Homebrew.failed?
 
     kegs_by_rack.each do |rack, kegs|
@@ -142,40 +144,41 @@ module Homebrew
     end
   end
 
-  def handle_unsatisfied_dependents(kegs_by_rack)
-    return if args.ignore_dependencies?
+  def handle_unsatisfied_dependents(kegs_by_rack, ignore_dependencies: false, named_args: [])
+    return if ignore_dependencies
 
     all_kegs = kegs_by_rack.values.flatten(1)
-    check_for_dependents all_kegs
+    check_for_dependents(all_kegs, named_args: named_args)
   rescue MethodDeprecatedError
     # Silently ignore deprecations when uninstalling.
     nil
   end
 
-  def check_for_dependents(kegs)
+  def check_for_dependents(kegs, named_args: [])
     return false unless result = Keg.find_some_installed_dependents(kegs)
 
     if Homebrew::EnvConfig.developer?
-      DeveloperDependentsMessage.new(*result).output
+      DeveloperDependentsMessage.new(*result, named_args: named_args).output
     else
-      NondeveloperDependentsMessage.new(*result).output
+      NondeveloperDependentsMessage.new(*result, named_args: named_args).output
     end
 
     true
   end
 
   class DependentsMessage
-    attr_reader :reqs, :deps
+    attr_reader :reqs, :deps, :named_args
 
-    def initialize(requireds, dependents)
+    def initialize(requireds, dependents, named_args: [])
       @reqs = requireds
       @deps = dependents
+      @named_args = named_args
     end
 
     protected
 
     def sample_command
-      "brew uninstall --ignore-dependencies #{Array(Homebrew.args.named).join(" ")}"
+      "brew uninstall --ignore-dependencies #{named_args.join(" ")}"
     end
 
     def are_required_by_deps

Library/Homebrew/test/cmd/uninstall_spec.rb

@@ -28,7 +28,7 @@ describe Homebrew do
     end
   end
 
-  let(:opts) { { dependency.rack => [Keg.new(dependency.installed_prefix)] } }
+  let(:kegs_by_rack) { { dependency.rack => [Keg.new(dependency.installed_prefix)] } }
 
   before do
     [dependency, dependent].each do |f|
@@ -53,7 +53,7 @@ describe Homebrew do
       ENV["HOMEBREW_DEVELOPER"] = "1"
 
       expect {
-        described_class.handle_unsatisfied_dependents(opts)
+        described_class.handle_unsatisfied_dependents(kegs_by_rack)
       }.to output(/Warning/).to_stderr
 
       expect(described_class).not_to have_failed
@@ -61,19 +61,15 @@ describe Homebrew do
 
     specify "when not developer" do
       expect {
-        described_class.handle_unsatisfied_dependents(opts)
+        described_class.handle_unsatisfied_dependents(kegs_by_rack)
       }.to output(/Error/).to_stderr
 
       expect(described_class).to have_failed
     end
 
-    specify "when not developer and --ignore-dependencies is specified" do
-      described_class.args = described_class.args.dup if described_class.args.frozen?
-      expect(described_class.args).to receive(:ignore_dependencies?).and_return(true)
-      described_class.args.freeze
-
+    specify "when not developer and `ignore_dependencies` is true" do
       expect {
-        described_class.handle_unsatisfied_dependents(opts)
+        described_class.handle_unsatisfied_dependents(kegs_by_rack, ignore_dependencies: true)
       }.not_to output.to_stderr
 
       expect(described_class).not_to have_failed