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|
#!/usr/bin/env bash
set -e
name="$(basename $0)"
: ${TOP_DIR:="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"}
source ${TOP_DIR}/docker/builder-include
: ${DOCKER_FILE:="${TOP_DIR}/docker/Dockerfile.builder"}
: ${DOCKER_FROM:="$(docker_from)"}
usage () {
echo "${name} - Builds a docker image that contains tools for building petitboot." >&2
echo "Usage: ${name} [flags]" >&2
echo "Option flags:" >&2
echo " -d --dry-run - Do not run build commands." >&2
echo " -h --help - Show this help and exit." >&2
echo " -p --purge - Remove existing docker image and rebuild." >&2
echo " -r --rebuild - Rebuild existing docker image." >&2
echo " -t --tag - Print Docker tag to stdout and exit." >&2
echo " -v --verbose - Verbose execution." >&2
echo "Environment:" >&2
echo " DOCKER_FILE - Default: '${DOCKER_FILE}'" >&2
echo " DOCKER_FROM - Default: '${DOCKER_FROM}'" >&2
echo " DOCKER_TAG - Default: '${DOCKER_TAG}'" >&2
echo "Examples:" >&2
echo " ${name} -v"
}
short_opts="dhprtv"
long_opts="dry-run,help,purge,rebuild,tag,verbose"
opts=$(getopt --options ${short_opts} --long ${long_opts} -n "${name}" -- "$@")
if [ $? != 0 ]; then
echo "${name}: ERROR: Internal getopt" >&2
exit 1
fi
eval set -- "${opts}"
while true ; do
case "${1}" in
-d | --dry-run)
dry_run=1
shift
;;
-h | --help)
usage=1
shift
;;
-p | --purge)
purge=1
shift
;;
-r | --rebuild)
rebuild=1
shift
;;
-t | --tag)
tag=1
shift
;;
-v | --verbose)
set -x
verbose=1
shift
;;
--)
shift
break
;;
*)
echo "${name}: ERROR: Internal opts" >&2
exit 1
;;
esac
done
if [[ -n "${usage}" ]]; then
usage
exit 0
fi
if [[ -n "${tag}" ]]; then
show_tag
exit 0
fi
version () {
echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'
}
# Support for docker versions older than 17.05.
# See https://github.com/moby/moby/issues/32457
if [[ $(version "$(docker version --format '{{.Server.Version}}')") < $(version "17.05") ]]; then
tmp_file="${DOCKER_FILE}.tmp"
trap "rm -f ${tmp_file}" EXIT
cp -f ${DOCKER_FILE} ${tmp_file}
DOCKER_FILE=${tmp_file}
sed --in-place "s|ARG DOCKER_FROM||" ${tmp_file}
sed --in-place "s|\${DOCKER_FROM}|${DOCKER_FROM}|" ${tmp_file}
fi
if [[ -n "${purge}" ]] && docker inspect --type image ${DOCKER_TAG} >/dev/null 2>/dev/null; then
echo "Removing docker image: ${DOCKER_TAG}" >&2
run_cmd "docker rmi --force ${DOCKER_TAG}"
elif [[ -z "${rebuild}" ]] && docker inspect --type image ${DOCKER_TAG} >/dev/null 2>/dev/null; then
echo "Docker image exists: ${DOCKER_TAG}" >&2
show_tag
exit 0
fi
echo "Building docker image: ${DOCKER_TAG}" >&2
cd ${TOP_DIR}/docker
run_cmd "docker build \
--file "${DOCKER_FILE}" \
--build-arg DOCKER_FROM=${DOCKER_FROM} \
--build-arg http_proxy=${http_proxy} \
--build-arg https_proxy=${https_proxy} \
--tag ${DOCKER_TAG} \
--network=host \
."
show_tag
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