tree 5d670c3a78fd55db461d99021db13d699c483dcd
parent b715b148076ef589e806a98a183c8f4468f75cf6
author Doug Anderson <dianders@google.com> 1288224361 -0700
committer Shawn O. Pearce <sop@google.com> 1288365296 -0700

Check for existing SSH ControlMaster

Be more thorough about checking for an existing ssh master by
running a test command first, and only opening up a new master
if the test fails to connect.

Change-Id: I56fe8e7b4dbc123675b7f259e81d359ed0cd55cf
Signed-off-by: Shawn O. Pearce <sop@google.com>