File: deflake.bash

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#!/usr/bin/env bash
# This script is used to deflake inherently flaky tsan tests.
# It is invoked from lit tests as:
# %deflake mybinary
# which is then substituted by lit to:
# $(dirname %s)/deflake.bash mybinary
# The script runs the target program up to 10 times,
# until it fails (i.e. produces a race report).

for i in $(seq 1 10); do
	OUT=`$@ 2>&1`
	if [[ $? != 0 ]]; then
		echo "$OUT"
		exit 0
	fi
done
exit 1