wait-on-file
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r45121 | #!/bin/bash | |||
# | ||||
# 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="$1" | ||||
r45122 | ||||
# if the test timeout have been extended, explicitly extend the provided timer | ||||
if [ "$HGTEST_TIMEOUT_DEFAULT" -lt "$HGTEST_TIMEOUT" ]; then | ||||
r45246 | timer=$(( ( 100 * $timer * $HGTEST_TIMEOUT) / $HGTEST_TIMEOUT_DEFAULT )) | |||
r45122 | fi | |||
r45121 | wait_on="$2" | |||
create="" | ||||
if [ $# -eq 3 ]; then | ||||
create="$3" | ||||
fi | ||||
if [ -n "$create" ]; | ||||
then | ||||
touch "$create" | ||||
create="" | ||||
fi | ||||
while [ "$timer" -gt 0 ] && [ ! -f "$wait_on" ]; | ||||
do | ||||
r45221 | timer=$(( $timer - 1)) | |||
r45121 | sleep 0.01 | |||
done | ||||
if [ "$timer" -le 0 ]; then | ||||
echo "file not created after $1 seconds: $wait_on" >&2 | ||||
exit 1 | ||||
fi | ||||