From 857e7e37db850ff0c227cfe241329a7f75b733e6 Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Thu, 30 Mar 2023 10:45:56 +0900
Subject: [PATCH 1/3] Support `#detailed_message` when task failed

---
 lib/rake/application.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/rake/application.rb b/lib/rake/application.rb
index 90f81e109..a8a7d99c1 100644
--- a/lib/rake/application.rb
+++ b/lib/rake/application.rb
@@ -237,6 +237,8 @@ def has_cause?(ex) # :nodoc:
     def display_exception_message_details(ex) # :nodoc:
       if ex.instance_of?(RuntimeError)
         trace ex.message
+      elsif ex.respond_to?(:detailed_message)
+        trace "#{ex.class.name}: #{ex.detailed_message(highlight: false)}"
       else
         trace "#{ex.class.name}: #{ex.message}"
       end

From 23d8981dd4fe52f5cc7a09233af469fbbb25c84d Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Thu, 30 Mar 2023 11:31:46 +0900
Subject: [PATCH 2/3] Add testing code for calling `#detailed_message`

---
 test/test_rake_application.rb | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/test/test_rake_application.rb b/test/test_rake_application.rb
index 8514da354..23fd1a670 100644
--- a/test/test_rake_application.rb
+++ b/test/test_rake_application.rb
@@ -60,6 +60,33 @@ def test_display_exception_details
     assert_match __method__.to_s, err
   end
 
+  if Exception.method_defined?(:detailed_message)
+    def test_display_exception_details_with_detailed_message
+      error_class = Class.new(StandardError) do
+        def detailed_message(**)
+          "detailed_message!!"
+        end
+      end
+
+      begin
+        raise error_class
+      rescue error_class => ex
+      end
+
+      out, err = capture_io do
+        @app.set_default_options # reset trace output IO
+
+        @app.display_error_message ex
+      end
+
+      assert_empty out
+
+      assert_match "rake aborted!", err
+      assert_match "detailed_message!!", err
+      assert_match __method__.to_s, err
+    end
+  end
+
   def test_display_exception_details_bad_encoding
     begin
       raise "El Niño is coming!".dup.force_encoding("US-ASCII")

From 6e0b17588935a608d8fdb65691901149fd56a55c Mon Sep 17 00:00:00 2001
From: ksss <co000ri@gmail.com>
Date: Thu, 30 Mar 2023 11:40:30 +0900
Subject: [PATCH 3/3] Remove condition minutes as they are unnecessary.

---
 test/test_rake_application.rb | 36 +++++++++++++++++------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/test/test_rake_application.rb b/test/test_rake_application.rb
index 23fd1a670..df756a4ad 100644
--- a/test/test_rake_application.rb
+++ b/test/test_rake_application.rb
@@ -60,31 +60,29 @@ def test_display_exception_details
     assert_match __method__.to_s, err
   end
 
-  if Exception.method_defined?(:detailed_message)
-    def test_display_exception_details_with_detailed_message
-      error_class = Class.new(StandardError) do
-        def detailed_message(**)
-          "detailed_message!!"
-        end
+  def test_display_exception_details_with_detailed_message
+    error_class = Class.new(StandardError) do
+      def detailed_message(**)
+        "detailed_message!!"
       end
+    end
 
-      begin
-        raise error_class
-      rescue error_class => ex
-      end
+    begin
+      raise error_class
+    rescue error_class => ex
+    end
 
-      out, err = capture_io do
-        @app.set_default_options # reset trace output IO
+    out, err = capture_io do
+      @app.set_default_options # reset trace output IO
 
-        @app.display_error_message ex
-      end
+      @app.display_error_message ex
+    end
 
-      assert_empty out
+    assert_empty out
 
-      assert_match "rake aborted!", err
-      assert_match "detailed_message!!", err
-      assert_match __method__.to_s, err
-    end
+    assert_match "rake aborted!", err
+    assert_match "detailed_message!!", err
+    assert_match __method__.to_s, err
   end
 
   def test_display_exception_details_bad_encoding