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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.$(arch)"}
usage () {
echo "${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_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 "${tag}" ]]; then
show_tag
exit 0
fi
if [[ -n "${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}
run_cmd "docker build --file ${DOCKER_FILE} --tag ${DOCKER_TAG} ."
show_tag
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