release: redirect stdout conditionally

No point in redirecting if we're already the same descriptor.

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/wrongdoc/release.rb b/lib/wrongdoc/release.rb
index f6c72e5..21d8651 100644
--- a/lib/wrongdoc/release.rb
+++ b/lib/wrongdoc/release.rb
@@ -21,8 +21,10 @@ module Wrongdoc::Release
     cmds.each_with_index do |cmd,i|
       i > 0 and io.puts
       pid, status = Process.waitpid2(fork do
-        $stdout.reopen(io)
-        io.close
+        if io.fileno != $stdout.fileno
+          $stdout.reopen(io)
+          io.close
+        end
         exec *cmd
       end)
       status.success? or abort status.inspect