Close standard input in Gitlab::Popen.popen

CHANGELOG

@@ -20,6 +20,7 @@ v 7.7.0
   - Add alert message in case of outdated browser (IE < 10)
   -
   - Added API support for sorting projects
+  - Close standard input in Gitlab::Popen.popen
 v 7.6.0
   - Fork repository to groups

lib/gitlab/popen.rb

@@ -21,6 +21,9 @@ module Gitlab
       @cmd_output = ""
       @cmd_status = 0
       Open3.popen3(vars, *cmd, options) do |stdin, stdout, stderr, wait_thr|
+        # We are not using stdin so we should close it, in case the command we
+        # are running waits for input.
+        stdin.close
         @cmd_output << stdout.read
         @cmd_output << stderr.read
         @cmd_status = wait_thr.value.exitstatus