ryan script for general functionality on Darwin

ryan

#!/usr/bin/env bash

set -e

help() {
  echo "Usage:

ryan container CONTAINER_NAME # Get container ID
  " 1>&2
  exit 1
}


cmd_container() {
  if [[ -z $1 ]]; then
    echo "ERROR: Container name not provided" 1>&2
    help
  fi

  containerName=${1}
  containerID="$(docker ps -a | grep ${containerName} | cut -d' ' -f1 | tr '\n' ' ')"
  if sed 's/[[:blank:]]*$//' <<< "${containerID}" | grep -q '[[:space:]]'; then
    echo "ERROR: Multiple container IDs found: containerName=${containerName} containerID=${containerID}" 1>&2
    exit 1
  fi

  echo $containerID
}


case "$1" in
  container)
    cmd_container ${@:2};;
  *)
    help; exit 1
esac