Rename `resolve_keg` to `resolve_default_keg`

Library/Homebrew/cli/named_args.rb

@@ -99,7 +99,7 @@ module Homebrew
             when :resolve
               resolve_formula(name)
             when :default_kegs
-              resolve_keg(name)
+              resolve_default_keg(name)
             when :kegs
               _, kegs = resolve_kegs(name)
               kegs
@@ -294,7 +294,7 @@ module Homebrew
         [rack, kegs]
       end
 
-      def resolve_keg(name)
+      def resolve_default_keg(name)
         rack, kegs = resolve_kegs(name)
 
         linked_keg_ref = HOMEBREW_LINKED_KEGS/rack.basename

Library/Homebrew/test/cli/named_args_spec.rb

@@ -182,7 +182,7 @@ describe Homebrew::CLI::NamedArgs do
       (HOMEBREW_CELLAR/"bar/1.0").mkpath
     end
 
-    it "resolves kegs with #resolve_keg" do
+    it "resolves kegs with #resolve_default_keg" do
       expect(described_class.new("foo", "bar").to_default_kegs.map(&:name)).to eq ["foo", "bar"]
     end