#!/bin/sh
#SPDX-FileCopyrightText: 2024 Håvard Moen <post@haavard.name>
#
#SPDX-License-Identifier: GPL-3.0-only

set -e

set -- /kaniko/executor

if [ -n "${INPUT_CREDENTIALS}" ]
then
  echo '{"auths": {' > /kaniko/.docker/config.json
  for CREDENTIAL in ${INPUT_CREDENTIALS}
  do
    echo "${CREDENTIAL}" | ( IFS='=' read -r server creds
      auth="$(echo -n "${creds}" | base64 -w0)"
      echo "\"${server}\": {\"auth\": \"${auth}\"}," >> /kaniko/.docker/config.json
    )
  done
  # remove last comma
  sed -i '$s/,$//' /kaniko/.docker/config.json
  echo '}}' >> /kaniko/.docker/config.json
fi


if [ -n "${INPUT_DOCKER_FILE}" ]
then
  set -- "$@" --dockerfile "${INPUT_DOCKER_FILE}"
fi

if [ -n "${INPUT_CONTEXT}" ]
then
  CONTEXT="${INPUT_CONTEXT}"
else
  CONTEXT=.
fi
set -- "$@" --context "dir://${CONTEXT}"

if [ "${INPUT_PUSH}" = "false" ]
then
  set -- "$@" --no-push
fi

if [ "${INPUT_CACHE}" = "true" ] && [ -n "${INPUT_CACHE_REPO}" ]
then
  COMMAND="${COMMAND} --cache=true --cache-repo ${INPUT_CACHE_REPO}"
  set -- "$@"  --cache=true --cache-repo "${INPUT_CACHE_REPO}"
  if [ -n "${INPUT_CACHE_TTL}" ]
  then
    set -- "$@" --cache-ttl="${INPUT_CACHE_TTL}"
  fi
fi

if [ -n "${INPUT_DESTINATIONS}" ]
then
  for DESTINATION in ${INPUT_DESTINATIONS}
  do
    set -- "$@" --destination "${DESTINATION}"
  done
fi

if [ -d "${CONTEXT}/LICENSES" ]
then
  licenses=""
  for l in LICENSES/*;
  do
    license=$(basename "$l" .txt)
    if [ -z "${licenses}" ]
    then
      licenses="${license}"
    else
      licenses="${licenses} AND ${license}"
    fi
  done
  set -- "$@" --label "org.opencontainers.image.licenses=${licenses}"
fi

if [ -n "${INPUT_VERSION}" ]
then
  set -- "$@" --label "org.opencontainers.image.version=${INPUT_VERSION}"
fi

exec "$@"