tests: use regular POSIX shell
wait-on-file requires one POSIX extension (sleep with non-integral
argument), but it doesn't require any bash extensions, so just require a
normal POSIX shell. While here, use consistent formatting without
redundant ;
Differential Revision: https://phab.mercurial-scm.org/D8500
#!/bin/sh
#
# wait up to TIMEOUT seconds until a WAIT_ON_FILE is created.
#
# In addition, this script can create CREATE_FILE once it is ready to wait.
if [ $# -lt 2 ] || [ $# -gt 3 ]; then
echo $#
echo "USAGE: $0 TIMEOUT WAIT_ON_FILE [CREATE_FILE]"
fi
timer="$1"
# if the test timeout have been extended, explicitly extend the provided timer
if [ "$HGTEST_TIMEOUT_DEFAULT" -lt "$HGTEST_TIMEOUT" ]; then
timer=$(( ( 100 * $timer * $HGTEST_TIMEOUT) / $HGTEST_TIMEOUT_DEFAULT ))
fi
wait_on="$2"
create=""
if [ $# -eq 3 ]; then
create="$3"
fi
if [ -n "$create" ]; then
touch "$create"
create=""
fi
while [ "$timer" -gt 0 ] && [ ! -f "$wait_on" ]; do
timer=$(( $timer - 1))
sleep 0.01
done
if [ "$timer" -le 0 ]; then
echo "file not created after $1 seconds: $wait_on" >&2
exit 1
fi