#!/usr/bin/env bash
set -u

# Script Name: trynafail
# Description: Run command until it fails (every 0.5s)
# Source: https://evanhahn.com/scripts-i-wrote-that-i-use-all-the-time/
# Credit: Evan Hahn - https://codeberg.org/EvanHahn/dotfiles
# Usage: trynafail nc -zv localhost 8080  # monitor until service dies
#        trynafail curl -sf https://api.example.com/health

"$@"
while [[ "$?" -eq 0 ]]; do
  sleep 0.5
  "$@"
done