Mac OS X sets TMPDIR to a very long path within /var, so long
that a socket created in that location is too big for a struct
sockaddr_un on the platform, resulting in OpenSSH being unable
to create or bind to a socket in that location.
Instead we try to use the very short and very common /tmp, but
fall back to the guessed default if /tmp does not exist.
Signed-off-by: Shawn O. Pearce <sop@google.com>
By creating a background ssh "control master" process which lives
for the duration of our sync cycle we can easily cut the time for
a no-op sync of 132 projects from 60s to 18s.
Bug: REPO-11
Signed-off-by: Shawn O. Pearce <sop@google.com>
The value of the varible TRACE was copied during the import, which
happens before the --trace option can be processed. So instead we
now use a function to determine if the value is set, as the function
can be safely copied early during import.
Signed-off-by: Shawn O. Pearce <sop@google.com>
