filter_until_hung.sh

#!/bin/bash

function filter_until_hung() {
  local match_string="$1"
  shift
  local cmd=("$@")
  local tmpfifo=$(mktemp -u)
  mkfifo "$tmpfifo"

  "${cmd[@]}" >"$tmpfifo" 2>&1 &
  local cmd_pid=$!

  echo "Monitoring for '$match_string'. Command PID: $cmd_pid"
  grep --line-buffered -m 1 "$match_string" <"$tmpfifo" && {
    echo "Match found! Terminating command process (PID: $cmd_pid)..."
    kill -SIGTERM "$cmd_pid" #>/dev/null 2>&1
    echo "Waiting for command process (PID: $cmd_pid) to complete..."
    wait "$cmd_pid"
    echo "Command process (PID: $cmd_pid) terminated."
    rm "$tmpfifo"
    echo "Exiting with status 0."
    return 0
  }

  echo "Match not found. Waiting for command process (PID: $cmd_pid) to complete..."

  wait "$cmd_pid"
  local cmd_status=$?
  rm "$tmpfifo"
  return "$cmd_status"
}

# Example usage
echo "Starting the yarn command..."
filter_until_hung "Seeded test users." yarn --frozen-lockfile --non-interactive --silent || exit 125
echo "Yarn command completed or interrupted."

# Your remaining script
cd "$(dirname "$0")/.."
cd frontend
bun relay
STATUS=$?
echo "STATUS: $STATUS"
cd -

git co -f >/dev/null 2>&1

exit $STATUS