#!/usr/bin/env bash
set -euo pipefail
: "${REDIS_BIN:?Set REDIS_BIN to the directory containing redis-server and redis-cli}"
export REDIS_PORT=${REDIS_PORT:-16389}
work=$(mktemp -d)
log=${REDIS_RUN_LOG:-$work/server.log}
pid=
cleanup() {
  if [[ -n "$pid" ]]; then
    kill -TERM "$pid" 2>/dev/null || true
    wait "$pid" 2>/dev/null || true
  fi
  rm -rf -- "$work"
}
trap cleanup EXIT
"$REDIS_BIN/redis-server" --bind 127.0.0.1 --port "$REDIS_PORT" \
  --protected-mode yes --save '' --appendonly no --dir "$work" \
  --daemonize no > "$log" 2>&1 &
pid=$!
echo "redis_pid=$pid port=$REDIS_PORT temporary_dir=$work" >&2
ready=0
for ((i=0;i<100;i++)); do
  kill -0 "$pid" 2>/dev/null || { cat "$log" >&2; exit 1; }
  if "$REDIS_BIN/redis-cli" -h 127.0.0.1 -p "$REDIS_PORT" INFO server 2>/dev/null | tr -d '\r' | grep -qx "process_id:$pid"; then
    ready=1; break
  fi
  sleep 0.05
done
[[ "$ready" == 1 ]] || { cat "$log" >&2; exit 1; }
"$@"