fix newline not being added correctly when printing to stderr

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/bundler/ui/shell.rb b/lib/bundler/ui/shell.rb
index 24429d1229..81743ede40 100644
--- a/lib/bundler/ui/shell.rb
+++ b/lib/bundler/ui/shell.rb
@@ -105,6 +105,9 @@ module Bundler
       end
 
       def tell_err(message, color = nil, newline = nil)
+        newline = message.to_s !~ /( |\t)\Z/ unless newline
+        message = word_wrap(message) if newline.is_a?(Hash) && newline[:wrap]
+
         buffer = @shell.send(:prepare_message, message, *color)
         buffer << "\n" if newline && !message.to_s.end_with?("\n")