Simplify TapConfig.

Library/Homebrew/tap.rb

@@ -274,11 +274,29 @@ class Tap
     user == "Homebrew"
   end
 
-  # True if the remote of this {Tap} is a private repository.
+  # Check whether the remote of this {Tap} is a private repository.
+  sig { returns(T::Boolean) }
   def private?
-    return @private if instance_variable_defined?(:@private)
+    return @private if defined?(@private)
 
-    @private = read_or_set_private_config
+    @private = if (value = config[:private]).nil?
+      config[:private] = begin
+        if custom_remote?
+          true
+        else
+          # Don't store config if we don't know for sure.
+          return false if (value = GitHub.private_repo?(full_name)).nil?
+
+          value
+        end
+      rescue GitHub::API::HTTPNotFoundError
+        true
+      rescue GitHub::API::Error
+        false
+      end
+    else
+      value
+    end
   end
 
   # {TapConfig} of this {Tap}.
@@ -292,6 +310,7 @@ class Tap
   end
 
   # True if this {Tap} has been installed.
+  sig { returns(T::Boolean) }
   def installed?
     path.directory?
   end
@@ -351,12 +370,12 @@ class Tap
         fix_remote_configuration(requested_remote: requested_remote, quiet: quiet)
       end
 
-      unless force_auto_update.nil?
-        if force_auto_update
-          config["forceautoupdate"] = force_auto_update
-        elsif config["forceautoupdate"] == "true"
-          config.delete("forceautoupdate")
-        end
+      case force_auto_update
+      when true
+        config[:forceautoupdate] = true
+        return
+      when false
+        config.delete(:forceautoupdate)
         return
       end
 
@@ -403,7 +422,7 @@ class Tap
       raise
     end
 
-    config["forceautoupdate"] = force_auto_update unless force_auto_update.nil?
+    config[:forceautoupdate] = force_auto_update unless force_auto_update.nil?
 
     Commands.rebuild_commands_completion_list
     link_completions_and_manpages
@@ -976,28 +995,6 @@ class Tap
 
   private
 
-  def read_or_set_private_config
-    case config["private"]
-    when "true" then true
-    when "false" then false
-    else
-      config["private"] = begin
-        if custom_remote?
-          true
-        else
-          # Don't store config if we don't know for sure.
-          return false if (value = GitHub.private_repo?(full_name)).nil?
-
-          value
-        end
-      rescue GitHub::API::HTTPNotFoundError
-        true
-      rescue GitHub::API::Error
-        false
-      end
-    end
-  end
-
   sig { params(file: Pathname).returns(T.any(T::Array[String], Hash)) }
   def read_formula_list(file)
     JSON.parse file.read
@@ -1375,15 +1372,18 @@ class TapConfig
     @tap = tap
   end
 
-  sig { params(key: T.any(Symbol, String)).returns(T.nilable(String)) }
+  sig { params(key: Symbol).returns(T.nilable(T::Boolean)) }
   def [](key)
     return unless tap.git?
     return unless Utils::Git.available?
 
-    Homebrew::Settings.read key, repo: tap.path
+    case Homebrew::Settings.read(key, repo: tap.path)
+    when "true" then true
+    when "false" then false
+    end
   end
 
-  sig { params(key: T.any(Symbol, String), value: T.any(T::Boolean, String)).void }
+  sig { params(key: Symbol, value: T::Boolean).void }
   def []=(key, value)
     return unless tap.git?
     return unless Utils::Git.available?
@@ -1391,7 +1391,7 @@ class TapConfig
     Homebrew::Settings.write key, value.to_s, repo: tap.path
   end
 
-  sig { params(key: T.any(Symbol, String)).void }
+  sig { params(key: Symbol).void }
   def delete(key)
     return unless tap.git?
     return unless Utils::Git.available?

Library/Homebrew/test/tap_spec.rb

@@ -363,19 +363,19 @@ RSpec.describe Tap do
 
       it "defaults to nil" do
         expect(already_tapped_tap).to be_installed
-        expect(already_tapped_tap.config["forceautoupdate"]).to be_nil
+        expect(already_tapped_tap.config[:forceautoupdate]).to be_nil
       end
 
       it "enables forced auto-updates when true" do
         expect(already_tapped_tap).to be_installed
         already_tapped_tap.install force_auto_update: true
-        expect(already_tapped_tap.config["forceautoupdate"]).to eq("true")
+        expect(already_tapped_tap.config[:forceautoupdate]).to be true
       end
 
       it "disables forced auto-updates when false" do
         expect(already_tapped_tap).to be_installed
         already_tapped_tap.install force_auto_update: false
-        expect(already_tapped_tap.config["forceautoupdate"]).to be_nil
+        expect(already_tapped_tap.config[:forceautoupdate]).to be_nil
       end
     end
 
@@ -488,11 +488,11 @@ RSpec.describe Tap do
   specify "#config" do
     setup_git_repo
 
-    expect(homebrew_foo_tap.config["foo"]).to be_nil
-    homebrew_foo_tap.config["foo"] = "bar"
-    expect(homebrew_foo_tap.config["foo"]).to eq("bar")
-    homebrew_foo_tap.config.delete("foo")
-    expect(homebrew_foo_tap.config["foo"]).to be_nil
+    expect(homebrew_foo_tap.config[:foo]).to be_nil
+    homebrew_foo_tap.config[:foo] = true
+    expect(homebrew_foo_tap.config[:foo]).to be true
+    homebrew_foo_tap.config.delete(:foo)
+    expect(homebrew_foo_tap.config[:foo]).to be_nil
   end
 
   describe "#each" do