From 51e9074de2ce79a8f906a0dbfd445b9c9726bafd Mon Sep 17 00:00:00 2001
From: Junichi Sato <22004610+sato11@users.noreply.github.com>
Date: Fri, 26 Jan 2024 14:28:41 +0900
Subject: [PATCH] Prevent rdoc task from excluding the main page

There was a bug where the main page becomes unable to be found
and this change ensures that it does not happen.

Closes https://github.com/rails/rails/issues/50871.
---
 railties/lib/rails/api/task.rb | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/railties/lib/rails/api/task.rb b/railties/lib/rails/api/task.rb
index ddd7952381..d937c8273c 100644
--- a/railties/lib/rails/api/task.rb
+++ b/railties/lib/rails/api/task.rb
@@ -146,8 +146,6 @@ def configure_sdoc
       end
 
       def configure_rdoc_files
-        rdoc_files.include(api_main)
-
         RDOC_FILES.each do |component, cfg|
           cdr = component_root_dir(component)
 
@@ -172,6 +170,9 @@ def configure_rdoc_files
           # Nothing to do
           exit(0) if rdoc_files.empty?
         end
+
+        # This must come after the mtime comparison to ensure the main page is not excluded.
+        rdoc_files.include(api_main)
       end
 
       # These variables are used by the sdoc template