version="Version: nmh-${MH_VERSION}"
cmd="${MH_TEST_DIR}/Mail/cmd"
+#### Hack: especially on multicore/multiprocessor machines, need
+#### to allow time for the output file to be closed. If the output
+#### file never reaches a size greater than zero after waiting for
+#### a short while, let a subsequent check fail to find what it needs.
+#### $1: pid to wait for
+#### $2: output file that must eventually have non-zero size
+wait_for_script() {
+ wait $1
+
+ for i in 1 2 3 4 5 6 7 8 9 10; do
+ test -s "$2" && break || sleep 1
+ done
+}
+
+
if script -S /bin/sh 'echo OK' /dev/null 2>&1 | egrep 'OK' >/dev/null; then
#### script(1) uses -S to set the shell that it runs.
use_dash_S=1
chmod +x "${cmd}"
(SHELL="${cmd}"; export SHELL; script "${actual}" >/dev/null &
- wait $!)
+ wait_for_script $! "${actual}")
if grep OK "${actual}" >/dev/null; then
#### script(1) supports SHELL environment variable.
use_dash_S=0
SHELL="${cmd}" script "${actual}" >/dev/null &
fi
- wait $!
+ wait_for_script $! "${actual}"
}
#### Ensure that script(1) makes the program look like it's connected to a