parser: create NumberOfNamedArgumentsError

And commit `brew man` changes

Library/Homebrew/cli/parser.rb

@@ -605,8 +605,11 @@ module Homebrew
           :subcommand
         end.compact.uniq
 
-        exception = if @min_named_args && args.size < @min_named_args
+        exception = if @min_named_args && @max_named_args && @min_named_args == @max_named_args &&
-          MinNamedArgumentsError.new(@min_named_args, types: types, exact: @min_named_args == @max_named_args)
+                       args.size != @max_named_args
+          NumberOfNamedArgumentsError.new(@min_named_args, types: types)
+        elsif @min_named_args && args.size < @min_named_args
+          MinNamedArgumentsError.new(@min_named_args, types: types)
         elsif @max_named_args && args.size > @max_named_args
           MaxNamedArgumentsError.new(@max_named_args, types: types)
         end
@@ -701,15 +704,26 @@ module Homebrew
     class MinNamedArgumentsError < UsageError
       extend T::Sig
 
-      sig { params(minimum: Integer, types: T::Array[Symbol], exact: T::Boolean).void }
+      sig { params(minimum: Integer, types: T::Array[Symbol]).void }
-      def initialize(minimum, types: [], exact: false)
+      def initialize(minimum, types: [])
-        number_phrase = exact ? "exactly" : "at least"
-
         types << :named if types.empty?
         arg_types = types.map { |type| type.to_s.tr("_", " ") }
                          .to_sentence two_words_connector: " or ", last_word_connector: " or "
 
-        super "This command requires #{number_phrase} #{minimum} #{arg_types} #{"argument".pluralize(minimum)}."
+        super "This command requires at least #{minimum} #{arg_types} #{"argument".pluralize(minimum)}."
+      end
+    end
+
+    class NumberOfNamedArgumentsError < UsageError
+      extend T::Sig
+
+      sig { params(minimum: Integer, types: T::Array[Symbol]).void }
+      def initialize(minimum, types: [])
+        types << :named if types.empty?
+        arg_types = types.map { |type| type.to_s.tr("_", " ") }
+                         .to_sentence two_words_connector: " or ", last_word_connector: " or "
+
+        super "This command requires exactly #{minimum} #{arg_types} #{"argument".pluralize(minimum)}."
       end
     end
   end

Library/Homebrew/test/cli/parser_spec.rb

@@ -455,11 +455,11 @@ describe Homebrew::CLI::Parser do
     end
 
     it "doesn't accept fewer than the passed number of arguments" do
-      expect { parser_number.parse([]) }.to raise_error(Homebrew::CLI::MinNamedArgumentsError)
+      expect { parser_number.parse([]) }.to raise_error(Homebrew::CLI::NumberOfNamedArgumentsError)
     end
 
     it "doesn't accept more than the passed number of arguments" do
-      expect { parser_number.parse(["foo", "bar"]) }.to raise_error(Homebrew::CLI::MaxNamedArgumentsError)
+      expect { parser_number.parse(["foo", "bar"]) }.to raise_error(Homebrew::CLI::NumberOfNamedArgumentsError)
     end
 
     it "accepts the passed number of arguments" do
@@ -489,7 +489,7 @@ describe Homebrew::CLI::Parser do
         named_args number: 2
       end
       expect { parser.parse([]) }.to raise_error(
-        Homebrew::CLI::MinNamedArgumentsError, /This command requires exactly 2 named arguments/
+        Homebrew::CLI::NumberOfNamedArgumentsError, /This command requires exactly 2 named arguments/
       )
     end
 
@@ -507,7 +507,7 @@ describe Homebrew::CLI::Parser do
         named_args %w[on off], number: 1
       end
       expect { parser.parse([]) }.to raise_error(
-        Homebrew::CLI::MinNamedArgumentsError, /This command requires exactly 1 subcommand/
+        Homebrew::CLI::NumberOfNamedArgumentsError, /This command requires exactly 1 subcommand/
       )
     end
 
@@ -542,7 +542,7 @@ describe Homebrew::CLI::Parser do
     end
 
     it "doesn't allow less than the specified number of arguments" do
-      expect { parser.parse([]) }.to raise_error(Homebrew::CLI::MinNamedArgumentsError)
+      expect { parser.parse([]) }.to raise_error(Homebrew::CLI::NumberOfNamedArgumentsError)
     end
 
     it "treats a symbol as a single argument of the specified type" do
@@ -550,12 +550,12 @@ describe Homebrew::CLI::Parser do
         named :formula
       end
       expect { formula_parser.parse([]) }.to raise_error(
-        Homebrew::CLI::MinNamedArgumentsError, /This command requires exactly 1 formula argument/
+        Homebrew::CLI::NumberOfNamedArgumentsError, /This command requires exactly 1 formula argument/
       )
     end
 
     it "doesn't allow more than the specified number of arguments" do
-      expect { parser.parse(["foo", "bar"]) }.to raise_error(Homebrew::CLI::MaxNamedArgumentsError)
+      expect { parser.parse(["foo", "bar"]) }.to raise_error(Homebrew::CLI::NumberOfNamedArgumentsError)
     end
   end
 

completions/bash/brew

@@ -898,6 +898,8 @@ _brew_extract() {
       return
       ;;
   esac
+  __brew_complete_formulae
+  __brew_complete_tapped
 }
 
 _brew_fetch() {