ruby_process_status_test.sh

% chruby 1.9.2

% echo "pid = Process.spawn('sh -c \"exit 0\"'); _, status = Process.wait2(pid); warn status.inspect; warn status == 0; warn status.exitstatus == 0" | ruby
#<Process::Status: pid 50482 exit 0>
true
true

% echo "pid = Process.spawn('sh -c \"exit 0\"'); _, status = Process.wait2(pid); warn status.inspect; warn status == 1; warn status.exitstatus == 1" | ruby
#<Process::Status: pid 50454 exit 0>
false
false

% echo "pid = Process.spawn('sh -c \"exit 1\"'); _, status = Process.wait2(pid); warn status.inspect; warn status == 0; warn status.exitstatus == 0" | ruby
#<Process::Status: pid 50327 exit 1>
false
false

% echo "pid = Process.spawn('sh -c \"exit 1\"'); _, status = Process.wait2(pid); warn status.inspect; warn status == 1; warn status.exitstatus == 1" | ruby
#<Process::Status: pid 50355 exit 1>
false
true