#!/bin/bash
#
# Author: Yuan Bai (bybai@cn.ibm.com)
#
#
printusage()
{
    echo "Usage : build-python-deb xcat-openbmc-py"
}
# For the purpose of getting the distribution name
if [[ ! -f /etc/lsb-release ]]; then
    echo "ERROR: Could not find /etc/lsb-release, is this script executed on a Ubuntu machine?"
    exit 1
fi
. /etc/lsb-release
# Check the necessary packages before starting the build
declare -a packages=( "reprepro" "devscripts" "debhelper" "quilt" )

for package in ${packages[@]}; do
    RC=`dpkg -l | grep $package >> /dev/null 2>&1; echo $?`
    if [[ ${RC} != 0 ]]; then
        echo "ERROR: Could not find $package, install using 'apt-get install $package' to continue"
        exit 1
    fi
done

# Supported distributions
dists="saucy trusty utopic xenial"
pkg_name=$1

if [ -z "$pkg_name" ] || [ "$pkg_name" != "xcat-openbmc-py" ]; then
    printusage
    exit 1
fi

# Find where this script is located to set some build variables
old_pwd=`pwd`
cd `dirname $0`
curdir=`pwd`
export HOME=/root

WGET_CMD="wget"
if [ ! -z ${LOG} ]; then
    WGET_CMD="wget -o ${LOG}"
fi

if [ -z "$REL" ]; then
    t=${curdir%/src/xcat-core}
    REL=`basename $t`
fi

if [ "$PROMOTE" != 1 ]; then
    code_change=1
    ver=`cat Version`
    short_ver=`cat Version|cut -d. -f 1,2`
    short_short_ver=`cat Version|cut -d. -f 1`
    build_time=`date`
    build_machine=`hostname`
    commit_id=`git rev-parse --short HEAD`
    commit_id_long=`git rev-parse HEAD`

    echo "###############################"
    echo "# Building xcat-openbmc-py package #"
    echo "###############################"

    #the package type:  local | snap | alpha
    #the build introduce string
    build_string="Snap_Build"
    xcat_release="snap$(date '+%Y%m%d%H%M')"
    pkg_version="${ver}-${xcat_release}"
    packages="xCAT-openbmc-py"
    target_archs=(all)
    for file in $packages
    do
        file_low=`echo $file | tr '[A-Z]' '[a-z]'`
        target_archs="all"
        for target_arch in $target_archs
        do
            cd $file
            CURDIR=$(pwd)
            dch -v $pkg_version -b -c debian/changelog $build_string
            if [ "$target_arch" = "all" ]; then
                CURDIR=$(pwd)
                cp ${CURDIR}/debian/control ${CURDIR}/debian/control.save.998
                sed -i -e "s#>= 2.13-snap000000000000#= ${pkg_version}#g" ${CURDIR}/debian/control
                dpkg-buildpackage -rfakeroot -uc -us
                mv ${CURDIR}/debian/control.save.998 ${CURDIR}/debian/control
                dh_testdir
                dh_testroot
                dh_clean -d
            fi
            rc=$?
            if [ $rc -gt 0 ]; then
                echo "Error: $file build package failed exit code $rc"
                exit $rc
            fi
            rm -f debian/files
            rm -f debian/xcat-openbmc-py.debhelper.log
            rm -f debian/xcat-openbmc-py.substvars
            sed -i -e "s/* Snap_Build//g" debian/changelog
            cd -
            rm -f ${file_low}_*.tar.gz
            rm -f ${file_low}_*.changes
            rm -f ${file_low}_*.dsc
        done
    done
fi