#!/usr/bin/env bash

set -euo pipefail

echo "Using toolchain +${RUST_FUZZ_TOOLCHAIN:=nightly}. (Override with \$RUST_FUZZ_TOOLCHAIN)"

# Validate that "+${RUST_FUZZ_TOOLCHAIN}" is installed.  This will log a message to stderr
# if it itsn't.
cargo "+${RUST_FUZZ_TOOLCHAIN}" -h >/dev/null

for d in ./crates/*/fuzz; do
    pushd "$(dirname "$d")"
    for fuzzer in $(cargo fuzz list); do
	echo "$fuzzer"
	cargo "+${RUST_FUZZ_TOOLCHAIN}" fuzz build "$fuzzer"
    done
    popd
done


#JOBS=4
#SEED=0
DURATION=20

while true; do
    for d in ./crates/*/fuzz; do
	pushd "$(dirname "$d")"
	for fuzzer in $(cargo fuzz list); do
	    cargo "+${RUST_FUZZ_TOOLCHAIN}" fuzz run "$fuzzer" -- \
		-jobs="${JOBS:-0}" \
		-workers="${JOBS:-0}" \
		-max_total_time=$((DURATION * 60)) \
		-seed="${SEED:-0}"
	done
	popd
    done
done