# shellcheck shell=bash
# shellcheck disable=SC2154
echo "Build started" > "$lockFifo"

# shellcheck disable=SC2154
mkdir "$out"
echo "$(cat "$input1"/foo)""$(cat "$input2"/bar)" > "$out"/foobar

# Wait for someone to write on the fifo
cat "$lockFifo"

# $out should not have been GC'ed while we were sleeping, but just in
# case...
mkdir -p "$out"

# Check that the GC hasn't deleted the lock on our output.
test -e "$out.lock"

ln -s "$input2" "$out"/input-2