1 files changed, 6 insertions, 2 deletions
diff --git a/lib/gitlab/git/popen.rb b/lib/gitlab/git/popen.rb
index 25fa62ce4bd..3d2fc471d28 100644
--- a/lib/gitlab/git/popen.rb
+++ b/lib/gitlab/git/popen.rb
@@ -5,17 +5,21 @@ require 'open3'
 module Gitlab
   module Git
     module Popen
-      def popen(cmd, path)
+      def popen(cmd, path, vars = {})
         unless cmd.is_a?(Array)
           raise "System commands must be given as an array of strings"
         end
 
-        vars = { "PWD" => path }
+        path ||= Dir.pwd
+        vars['PWD'] = path
         options = { chdir: path }
 
         @cmd_output = ""
         @cmd_status = 0
         Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
+          yield(stdin) if block_given?
+          stdin.close
+
           @cmd_output << stdout.read
           @cmd_output << stderr.read
           @cmd_status = wait_thr.value.exitstatus