#!/usr/bin/env bash

script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
source "${script_dir}/lib/libcli.source"

if [ -z "$1" ]; then
    _error "Usage: $0 <image-reference> [--err-missing]"
else
    imageReference=$1
fi

if [ -n "$2" ]; then
    if [ "$2" = "--err-missing" ]; then
        err_missing=yes
    else
        _error "Invalid command line option: $2"
        exit 1
    fi
fi

# check if docker is running
out="$(docker info 2>&1)" || _error "Cannot check for image, docker seems to be down:\n${out}"

# check if the image exists in the repo
docker buildx imagetools inspect "${imageReference}" > /dev/null 2>&1
IMAGE_CHECK=$?

if [ "${IMAGE_CHECK}" -eq 0 ] ; then
  _log "Image exists in repo: ${imageReference}"
  exit 0
else
  # fail with error if --err-missing is used
  if [ -z "${err_missing}" ]; then
    _log "Image does not exist in repo: ${imageReference}"
  else
    _error "Image does not exist in repo: ${imageReference}"
  fi
  exit 1
fi