Modify error message for GemNotFound error message

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/bundler/resolver.rb b/lib/bundler/resolver.rb
index 9d947cc9f9..81537baf24 100644
--- a/lib/bundler/resolver.rb
+++ b/lib/bundler/resolver.rb
@@ -359,8 +359,9 @@ module Bundler
                        "Source does not contain any versions of '#{requirement}'"
                      end
         else
+          cache_message = Bundler.app_cache.exist? ? " or in gems cached in vendor/cache" : ""
           message = "Could not find gem '#{requirement}' in any of the gem sources " \
-            "listed in your Gemfile or available on this machine."
+            "listed in your Gemfile#{cache_message}."
         end
         raise GemNotFound, message
       end