out

#!/bin/bash

set -e -u

exec 3>&1
exec 1>&2

source $(dirname $0)/common.sh

source=$1

if [ -z "$source" ]; then
  echo "usage: $0 <path/to/source>"
  exit 1
fi

PATH=/usr/local/bin:$PATH

payload=$(mktemp /tmp/resource-in.XXXXXX)

cat > $payload <&0

cd $source

insecure_registries=$(jq -r '.source.insecure_registries // [] | join(" ")' < $payload)
registry_mirror=$(jq -r '.source.registry_mirror // ""' < $payload)

username=$(jq -r '.source.username // ""' < $payload)
password=$(jq -r '.source.password // ""' < $payload)
repository=$(jq -r '.source.repository // ""' < $payload)

tag_source=$(jq -r '.source.tag // "latest"' < $payload)
tag_params=$(jq -r '.params.tag_file // ""' < $payload)
# [docker-image-resource] for backwards compatibility, check `tag` if `tag_file` is empty
if [ -z "$tag_params" ]; then
  tag_params=$(jq -r '.params.tag // ""' < $payload)
fi
tag_prefix=$(jq -r '.params.tag_prefix // ""' < $payload)

tag_name=""
if [ -n "$tag_params" ]; then
  if [ ! -f "$tag_params" ]; then
    echo "tag file '$tag_params' does not exist"
    exit 1
  fi
  tag_name="${tag_prefix}$(cat $tag_params)"
else
  tag_name="$tag_source"
fi

ca_certs=$(jq -r '.source.ca_certs // []' < $payload)
client_certs=$(jq -r '.source.client_certs // []' < $payload)
max_concurrent_downloads=$(jq -r '.source.max_concurrent_downloads // 3' < $payload)
max_concurrent_uploads=$(jq -r '.source.max_concurrent_uploads // 3' < $payload)

if private_registry "$repository" ; then
  registry="$(extract_registry "$repository")"
else
  registry=
fi

certs_to_file "$ca_certs"
set_client_certs "$client_certs"
sanitize_cgroups
start_docker \
	"$insecure_registries" \
  "$registry_mirror"
log_in "$username" "$password" "$registry"


build=$(jq -r '.params.build // "./"' < $payload)
stack=$(jq -r '.params.stack // ""' < $payload)
env_file=$(jq -r '.params.env_file // ""' < $payload)
builder=$(jq -r '.params.builder // ""' < $payload)

if [ ! -z $builder ]; then
  pack set-default-builder $builder
fi

if [ ! -z $stack ]; then
  pack set-default-stack $stack
fi

pack_args=""

if [ ! -z $env_file ]; then
  pack_args="$pack_args --env-file $env_file"
fi

pack build $repository:$tag_name $pack_args --path $build

docker push $repository:$tag_name

inspect_output=$(docker inspect $repository:$tag_name)

jq -n "{
  version: {
     digest: \"$(echo $inspect_output | jq '.[].RepoDigests[0]' | jq -r 'split("@")[1]')\"
  },
  metadata: [
    {
      name: \"$repository:$tag_name\",
      id: \"$(echo $inspect_output | jq -r '.[].Id')\",
    }
  ]
}" >&3