From a81749fe66eb416c35f58ef91524be95b7cb9411 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Sun, 5 May 2019 00:44:32 +0000
Subject: [PATCH] Don't output ImageMagick version information to stdout
 (#31125).

Patch by Go MAEDA.


git-svn-id: http://svn.redmine.org/redmine/trunk@18126 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 lib/redmine/thumbnail.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/redmine/thumbnail.rb b/lib/redmine/thumbnail.rb
index a46a09ee1..31ac62272 100644
--- a/lib/redmine/thumbnail.rb
+++ b/lib/redmine/thumbnail.rb
@@ -51,7 +51,12 @@ module Redmine
 
     def self.convert_available?
       return @convert_available if defined?(@convert_available)
-      @convert_available = system("#{shell_quote CONVERT_BIN} -version") rescue false
+      begin
+        `#{shell_quote CONVERT_BIN} -version`
+        @convert_available = $?.success?
+      rescue
+        @convert_available = false
+      end
       logger.warn("Imagemagick's convert binary (#{CONVERT_BIN}) not available") unless @convert_available
       @convert_available
     end
-- 
2.39.5