#!/bin/sh

set -eu

MKBUILDDEPS_TOOL='/usr/bin/apt-get -o Debug::pkgProblemResolver=yes'
MKBUILDDEPS_TOOL="${MKBUILDDEPS_TOOL} --no-install-recommends -y"

header()
{
	local fmt="${1}"
	shift 1

	printf "\n${fmt}\n" "${@}"
	printf "${fmt}\n\n" "${@}" | tr -C '\n' '-'

	return 0
}

# Get the newest version.
sed_s='s/uscan: Newest version of icecat on remote site is \([^,][^,]*\),'
sed_s="${sed_s}"' local version is 0$/\1/p;'
version="$(uscan --package 'icecat' --upstream-version '0' \
	--watchfile "${0%/*}/watch" 2>&1 | sed -n "${sed_s}")"
upstream_version="${version%-*}"

printf '%-47s  %31s\n' "icecat (${version})" \
	"$(LC_ALL='POSIX' date '+%a, %d %b %Y %H:%M:%S %z')"
cat <<EOF
================================================================================
EOF

header 'Download Upstream Sources'

# Download.
uscan --package icecat --upstream-version '0' --watchfile "${0%/*}/watch" \
	--download --download-version "${version}" --destdir '.'

header 'Unpack Package'

# Create package directory and mount a temporary file system on it.
mkdir 'tmpfs/'
sudo mount -t 'tmpfs' 'tmpfs' 'tmpfs/'
cd 'tmpfs/'

# Unpack package.
tar -xjf "../icecat-${version}.tar.bz2"

header 'Install Build Dependencies'

# Make sure build dependencies are installed.
#mk-build-deps -i -t "${MKBUILDDEPS_TOOL}" -r -s sudo \
#	"icecat-${upstream_version}/debian/control"

header 'Build Package'

# Build source and binary packages.
cd "icecat-${upstream_version}/"
#dpkg-buildpackage -us -uc
bash
cd '../'

header 'Clean Up'

# Unmount and remove package directory.
rm -Rf "icecat-${upstream_version}/"
mv * '../'
cd '../'
sudo umount 'tmpfs/'
rmdir 'tmpfs/'