Only copy dlls to target location once on bundle install

Signed-off-by: Stuart Preston <stuart@chef.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/Gemfile b/Gemfile
index 0a041760e5..bc3dd3f6eb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -76,6 +76,7 @@ if RUBY_PLATFORM =~ /mswin|mingw|windows/
   instance_eval do
     ruby_exe_dir = RbConfig::CONFIG["bindir"]
     assemblies = Dir.glob(File.expand_path("distro/ruby_bin_folder", Dir.pwd) + "/*.dll")
-    FileUtils.cp_r assemblies, ruby_exe_dir
+    FileUtils.cp_r assemblies, ruby_exe_dir, verbose: true unless ENV['_BUNDLER_WINDOWS_DLLS_COPIED']
+    ENV['_BUNDLER_WINDOWS_DLLS_COPIED'] = "1"
   end
 end