#!/bin/bash
# vim: set sw=4 sts=4 et :

set -e

W="${1}"
RDIR='/home/nirbheek/projects/AutotuA/releases'
REPO='/home/nirbheek/projects/AutotuA/autotua.git'
TMPDIR='/tmp/autotua-release'
DESTDIR="${RDIR}/"

test -z ${W} && echo "Specify what to release" && exit 1

rm -rf "${TMPDIR}"
mkdir -p "${TMPDIR}"
mkdir -p "${DESTDIR}"

confirm_overwrite() {
    if test -e "${DESTDIR}/${FILE}"; then
        echo -n "A tarball for that release already exists. Overwrite? [y/N] "
        read ans
        if test "${ans}" != "y"; then
            echo "Cancelled."
            exit 0
        fi
    fi
}

release_master() {
    cd "${REPO}/master"
    V="$(grep '^PV[[:space:]]*\:=' Makefile)"
    V=${V##*:= }
    P="autotua-master-${V}"
    FILE="${P}.tar.bz2"
    mkdir -p "${DESTDIR}/${V}"
    make dist
    mv "${FILE}" "${DESTDIR}/${V}"
}

release_slave() {
    cd "${REPO}/slave"
    V=$(grep '^[[:space:]]*version=' setup.py)
    V=${V##*version=\'}
    V=${V%%\',*}
    P="autotua-slave-${V}"
    FILE="${P}.tar.gz"
    mkdir -p "${DESTDIR}/${V}"
    confirm_overwrite
    git archive --prefix=${P}/ HEAD * | tar x -C "${TMPDIR}"
    cd "${TMPDIR}/${P}"
    ./setup.py --quiet sdist
    cp "dist/${FILE}" "${DESTDIR}/${V}"
    rm -rf "${TMPDIR}/${P}"
}

bumb_ebuild() {
    CATEG='dev-util'
    PN='autotua-slave'
    P="${PN}-${V}"
    cd "${REPO}/overlay/${CATEG}/${PN}"
    test -f ${P}.ebuild || cp $(echo ${PN}-*.ebuild | tr ' ' '\n' | line ) ${P}.ebuild
    sed -i -e "/${P}/d" Manifest
    rm -f "/usr/portage/distfiles/${P}.tar.bz2"
    ebuild ${P}.ebuild digest
}

if test "${W}" = "slave"; then
    release_slave
    bumb_ebuild
elif test "${W}" = "master"; then
    release_master
elif test "${W}" = "both"; then
    release_slave
    release_master
    bumb_ebuild
else
    echo "Please specify which to release (slave|master|both)"
    exit 1
fi