#!/bin/bash -e

# pass your docker hub login name as $1, defaults to your user name
# you should have a repositories named ubuntu and debian
# if you have your own repository, you can also prepend it:
# my.repo.url:5000/myname the script will then append ubuntu or debian
# e.g. to my.repo.url:5000/myname/ubuntu:trusty-amd64
# please login to docker before you start this script
docker_user=${1:-${docker_user:-$(id -un)}}

if test -f /etc/setup-debootstrap.conf; then
    . /etc/setup-debootstrap.conf
fi

tmpdir=${tmpdir:-"/var/tmp"}
docker_user=${docker_user:-${USER}}
if test -z "$archs"; then
    case "$(dpkg --print-architecture)" in
        (amd64) archs="i386 amd64";;
        (*) archs=$(dpkg --print-architecture);;
    esac
fi
ubuntu_qt5="yakkety xenial wily vivid trusty"
ubuntu_qt4="precise"
debian_qt5="stretch jessie sid"
debian_qt4="wheezy"
debian_unsupported="buster" # not in /usr/share/debootstrap/scripts

ubuntu=("${ubuntu_qt5}" "${ubuntu_qt4}")
debian=("${debian_qt5}" "${debian_qt4}")
distros=(${distros:-"${ubuntu[@]}" "${debian[@]}"})

packages_qt5="qtbase5-dev qtbase5-dev-tools qtbase5-dev-tools libqt5webkit5-dev libqt5svg5-dev qt5-default qttools5-dev"
# |libqtcore4-qmake|libqt4-core
packages_qt4="qt4-qmake libqt4-dev"
# |software-properties-common|python-software-properties
packages_base="software-properties-common apt-transport-https dpkg-dev lsb-release debhelper git subversion pkg-config automake libtool autotools-dev doxygen graphviz mscgen libcppunit-dev xvfb nodejs"
package_not_in_xenial=""
package_not_in_xenial_qt5=""

packages=(${packages:-"${packages_base} ${packages_qt5}" "${packages_base} ${packages_qt4}" "${packages_base} ${packages_qt5}" "${packages_base} ${packages_qt4}"})

if test -z "${index}" -a "${#distros[@]}" -ne "${#packages[@]}"; then
    echo "**** ERROR: number of distribution lists doesn't match package lists" 1>&2
    echo "            distribution lists: ${#distros[@]}" 1>&2
    echo "            package lists:      ${#packages[@]}" 1>&2
    exit 1
fi

for ((i=0; i<${#distros[@]}; ++i)); do
    package="${packages[${index:-$i}]}"
    for distro in ${distros[$i]}; do
        ubuntus="${ubuntu[@]}"
        if test "${ubuntus//${distro}/}" != "${ubuntus}"; then
            type="ubuntu"
        else
            type="debian"
        fi
        for arch in ${archs}; do
            echo "******** process $type $distro $arch ********" 1>&2
            if test -d "${tmpdir}/${distro}-${arch}"; then
                echo " ++++    already exists ${tmpdir}/${distro}-${arch}" 1>&2
            else
                echo " ----    install ${tmpdir}/${distro}-${arch}" 1>&2
                sudo debootstrap --arch="$arch" "$distro" "${tmpdir}/${distro}-${arch}"
            fi
            echo " ----    prevent packages in ${tmpdir}/${distro}-${arch}" 1>&2
            for f in "dbus" "libpam-systemd*" "packagekit*" "policykit*" "colord"; do
                sudo chroot "${tmpdir}/${distro}-${arch}" <<EOF1
if ! grep -q "Package: $f" /etc/apt/preferences; then
cat >> /etc/apt/preferences <<EOF2

Package: $f
Pin-Priority: -100

EOF2
fi
EOF1
            done
            echo " ----    upgrade ${tmpdir}/${distro}-${arch}" 1>&2
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get update
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get -y upgrade
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get install -y python-software-properties software-properties-common || \
                sudo chroot "${tmpdir}/${distro}-${arch}" apt-get install -y software-properties-common
            if test "${distro}" != "jessie" -a "${distro}" != "sid"; then
                sudo chroot "${tmpdir}/${distro}-${arch}" add-apt-repository universe || \
                    sudo chroot "${tmpdir}/${distro}-${arch}" add-apt-repository "deb http://archive.ubuntu.com/ubuntu ${distro} universe"
            fi
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get update
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get -y dist-upgrade
            echo " ----    install ${package} to ${tmpdir}/${distro}-${arch}" 1>&2
            sudo chroot "${tmpdir}/${distro}-${arch}" apt-get install -y ${package}
            echo " ----    import ${tmpdir}/${distro}-${arch} to ${docker_user}/${type}:${distro}-${arch}" 1>&2
            cd "${tmpdir}/${distro}-${arch}"
            sudo tar c . | docker import - "${docker_user}/${type}:${distro}-${arch}"
            echo " ----    push ${tmpdir}/${distro}-${arch} to ${docker_user}/${type}:${distro}-${arch}" 1>&2
            docker push "${docker_user}/${type}:${distro}-${arch}"
        done
    done
done