components/shell/bash/bash_test_wrapper

   1 #!/bin/bash
   2
   3 # Override HOME. Bash processes $HOME/.profile.
   4 HOME=$(pwd)/home
   5 mkdir -p "$HOME"
   6 export HOME
   7
   8 # Pre-set TMPDIR. The content of system tmp could collide with the tests.
   9 TMPDIR=$(pwd)/tmp
  10 mkdir -p "$TMPDIR"
  11 export TMPDIR
  12
  13 if tty -s; then
  14         # If we have a tty, just run the tests
  15         gmake "$@"
  16 else
  17         # If we don't have tty, run the tests in screen(1) to make the tests
  18         # pass successfully. But screen needs some pty already, so create one
  19         # using python. We can't run the tests directly in python as pty module
  20         # does not simulate terminal, it merely provides pty device. Also we
  21         # set the TERM environment variable to 'xterm' so that screen does not
  22         # start confused setting TERM to 'dumb' which breaks the tests again.
  23         # Also we have to collect the test output ourselves, since userland
  24         # infrastructure captures the screen output which is full of terminal
  25         # control codes. To offset anything user may have set in his .screenrc
  26         # we use /dev/null as screen config. Last touch is to unset TSTP signal
  27         # which is set if we run 'gmake test' via ssh. Unsetting it to default
  28         # makes the tests pass even in this case.
  29         python -c '
  30 import pty;
  31 import signal;
  32 import sys;
  33
  34 signal.signal(signal.SIGTSTP, signal.SIG_DFL)
  35 pty.spawn(sys.argv[1:])
  36 ' env TERM=xterm /usr/bin/screen -c /dev/null bash -c 'gmake '"$@"' 2>&1 | tee outfile'
  37 fi