1 files changed, 14 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index a6fe2d24ae..0a041760e5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -65,3 +65,17 @@ instance_eval(ENV["GEMFILE_MOD"]) if ENV["GEMFILE_MOD"]
 # If you want to load debugging tools into the bundle exec sandbox,
 # add these additional dependencies into Gemfile.local
 eval_gemfile(__FILE__ + ".local") if File.exist?(__FILE__ + ".local")
+
+# These lines added for Windows development only.
+# For FFI to call into PowerShell we need the binaries and assemblies located
+# in the Ruby bindir.
+#
+# We copy (and overwrite) these files every time "bundle <exec|install>" is
+# executed, just in case they have changed.
+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
+  end
+end