build

#!/bin/bash

version=0.20
program=${0##*/}
progdir=${0%/*}
if [ "$progdir" = "$program" ]; then progdir="."; fi
if [ "$progdir" = "." ]; then progdir="$PWD"; fi
parent=$(dirname "$progdir")
if [ "$parent" = "." ]; then parent="$PWD"; fi
if [[ $(uname) =~ CYGWIN.* ]]; then parent=$(echo "$parent" | sed -e 's/^\/cygdrive\/\(.\)/\1:/'); fi


function usage() {
    cat <<EOF
NAME
	$program - Build a datatracker docker image

SYNOPSIS
	$program [OPTIONS]

DESCRIPTION
	This script builds a Ubuntu-based docker image that has been
	set up with the dependencies needed to easily run the IETF
	datatracker in development mode.  It uses docker/Dockerfile;
	i.e., the Dockerfile in the same directory as this script.

OPTIONS
EOF
    grep -E '^\s+-[a-zA-Z])' "$0" | sed -E -e 's/\)[^#]+#/ /'
    cat <<EOF

AUTHOR
	Written by:
        Henrik Levkowetz, <henrik@levkowetz.com>
        Lars Eggert, <lars@eggert.org>

COPYRIGHT
	Copyright (c) 2016 IETF Trust and the persons identified as authors of
	the code. All rights reserved. Redistribution and use in source and
	binary forms, with or without modification, is permitted pursuant to,
	and subject to the license terms contained in, the Revised BSD
	License set forth in Section 4.c of the IETF Trust’s Legal Provisions
	Relating to IETF Documents(https://trustee.ietf.org/license-info).

EOF
}


function die() {
    echo -e "\n$program: error: $*" >&2
    exit 1
}


function version() {
	echo -e "$program $version"
}


trap 'echo "$program($LINENO): Command failed with error code $? ([$$] $0 $*)"; exit 1' ERR

# Default values
IMAGE=ietf/datatracker-environment
TAG=$(basename "$(svn info "$parent" | grep ^URL | awk '{print $2}' | tr -d '\r')")
LOCAL=1

# Option parsing
shortopts=hut:V
args=$(getopt -o$shortopts $*)
if [ $? != 0 ] ; then die "Terminating..." >&2 ; exit 1 ; fi
set -- $args

while true ; do
    case "$1" in
    	-h)    usage; exit;;	# Show this help, then exit
    	-u)    LOCAL=0;;		# Upload image to repository after build
    	-t)    TAG=$2; shift;;	# Use this docker image tag
    	-V)    version; exit;;	# Show program version, then exit
    	--)    shift; break;;
    	*) die "Internal error, inconsistent option specification: '$1'";;
    esac
    shift
done

# The program itself
docker rmi -f $IMAGE:trunk 2>/dev/null || true
docker build --progress plain -t "$IMAGE:$TAG" docker/
docker tag "$(docker images -q $IMAGE | head -n 1)" $IMAGE:latest
if [ -z "$LOCAL" ]; then
    docker push $IMAGE:latest
    docker push "$IMAGE:$TAG"
fi