From 543ccf740d57eb7e0b027b74bf2fa2538d39ed5a Mon Sep 17 00:00:00 2001
From: Yves Senn <yves.senn@gmail.com>
Date: Fri, 22 Nov 2013 14:14:41 +0100
Subject: `ActionView::MissingTemplate` for partials includes underscore.

Missing partial folder/_partial instead of folder/partial.

Closes #13002.
---
 actionview/lib/action_view/template/error.rb | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'actionview/lib/action_view/template/error.rb')

diff --git a/actionview/lib/action_view/template/error.rb b/actionview/lib/action_view/template/error.rb
index 7b4b5e13e0..743ef6de0a 100644
--- a/actionview/lib/action_view/template/error.rb
+++ b/actionview/lib/action_view/template/error.rb
@@ -41,6 +41,9 @@ module ActionView
         'template'
       end
 
+      if partial && path.present?
+        path = path.sub(%r{([^/]+)$}, "_\\1")
+      end
       searched_paths = prefixes.map { |prefix| [prefix, path].join("/") }
 
       out  = "Missing #{template_type} #{searched_paths.join(", ")} with #{details.inspect}. Searched in:\n"
-- 
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