#!/bin/bash

# Advanced usage:
# Test gcc-8:
# env DIST=bionic EXTRAPACKAGES="gcc-8 g++-8" DEB_CC=gcc-8 DEB_CXX=g++-8 CMAKE_FLAGS=" -DNO_WERROR=1 " ./release
# Clang6 build:
# env DIST=bionic EXTRAPACKAGES="clang-6.0 libstdc++-8-dev lld-6.0 liblld-6.0-dev libclang-6.0-dev liblld-6.0" DEB_CC=clang-6.0 DEB_CXX=clang++-6.0 CMAKE_FLAGS=" -DLLVM_VERSION_POSTFIX=-6.0 -DNO_WERROR=1 " ./release
# Clang6 without internal compiler (for low memory arm64):
# env DIST=bionic DISABLE_PARALLEL=1 EXTRAPACKAGES="clang-6.0 libstdc++-8-dev" DEB_CC=clang-6.0 DEB_CXX=clang++-6.0 CMAKE_FLAGS=" -DNO_WERROR=1 " ./release

set -e

CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
cd $CURDIR

source "./release_lib.sh"

DEB_CC=${DEB_CC:=gcc-7}
DEB_CXX=${DEB_CXX:=g++-7}

CONTROL=debian/control
DEBUILD_NOSIGN_OPTIONS="-us -uc"
DEBUILD_NODEPS_OPTIONS="-d"
USE_PBUILDER=1

if [ -z "$REVISION" ] ; then
    get_revision_author
fi

while [[ $1 == --* ]]
do
    if [[ $1 == '--test' ]]; then
        TEST='yes'
        VERSION_POSTFIX+=-test
        shift
    elif [[ $1 == '--check-build-dependencies' ]]; then
        DEBUILD_NODEPS_OPTIONS=""
        shift
    elif [[ $1 == '--version' ]]; then
        gen_revision_author
        git push
        exit 0
    elif [[ $1 == '--head' ]]; then
        REVISION=`git rev-parse HEAD`
        shift
    elif [[ $1 == '--pbuilder' ]]; then
        # Default
        shift
    elif [[ $1 == '--no-pbuilder' ]]; then
        USE_PBUILDER=
        shift
    elif [[ $1 == '--fast' ]]; then
        # Wrong but fast pbuilder mode: create base package with all depends
        EXTRAPACKAGES="$EXTRAPACKAGES debhelper cmake ninja-build gcc-7 g++-7 libc6-dev libmariadbclient-dev libicu-dev libltdl-dev libreadline-dev libssl-dev unixodbc-dev psmisc bash expect python python-lxml python-termcolor curl perl sudo openssl"
        shift
    else
        echo "Unknown option $1"
        exit 2
    fi
done


# Build options
if [ -n "$SANITIZER" ]
then
    CMAKE_BUILD_TYPE=$SANITIZER
    VERSION_POSTFIX+=-${SANITIZER,,}
    # todo: нужно ли отключить libtcmalloc?
    LIBTCMALLOC_OPTS="-DENABLE_TCMALLOC=0"
    # GLIBC_COMPATIBILITY отключен по умолчанию
    export DEB_CC=${DEB_CC=clang-5.0}
    export DEB_CXX=${DEB_CXX=clang++-5.0}
    EXTRAPACKAGES="$EXTRAPACKAGES clang-5.0 lld-5.0"
elif [[ $BUILD_TYPE == 'valgrind' ]]; then
    LIBTCMALLOC_OPTS="-DENABLE_TCMALLOC=0"
    VERSION_POSTFIX+=-$BUILD_TYPE
elif [[ $BUILD_TYPE == 'debug' ]]; then
    CMAKE_BUILD_TYPE=Debug
    LIBTCMALLOC_OPTS="-DDEBUG_TCMALLOC=1"
    VERSION_POSTFIX+=-$BUILD_TYPE
fi

if [ -z "$THREAD_COUNT" ] ; then
    THREAD_COUNT=`nproc || grep -c ^processor /proc/cpuinfo || sysctl -n hw.ncpu || echo 4`
fi

CMAKE_FLAGS=" $LIBTCMALLOC_OPTS -DCMAKE_BUILD_TYPE=$CMAKE_BUILD_TYPE -DENABLE_EMBEDDED_COMPILER=1 $CMAKE_FLAGS"
export CMAKE_FLAGS
export EXTRAPACKAGES

REVISION+=$VERSION_POSTFIX
echo -e "\nCurrent revision is $REVISION"

gen_changelog "$REVISION" "" "$AUTHOR" ""

if [ -z "$USE_PBUILDER" ] ; then
    # Build (only binary packages).
    debuild -e PATH -e SSH_AUTH_SOCK -e DEB_BUILD_OPTIONS=parallel=$THREAD_COUNT \
    -e DEB_CC=$DEB_CC -e DEB_CXX=$DEB_CXX -e CMAKE_FLAGS="$CMAKE_FLAGS" \
    -b ${DEBUILD_NOSIGN_OPTIONS} ${DEBUILD_NODEPS_OPTIONS}
else
    export DIST=${DIST:=artful}
    export SET_BUILDRESULT=${SET_BUILDRESULT:=$CURDIR/..}
    . $CURDIR/debian/.pbuilderrc

    if [[ -z `which pbuilder` ]] ; then
        sudo apt install -y pbuilder fakeroot debhelper debian-archive-keyring debian-keyring
    fi

    if [[ ! -e "/usr/share/debootstrap/scripts/${DIST}" ]] ; then
        sudo ln -s gutsy /usr/share/debootstrap/scripts/${DIST}
    fi

    if [[ -n "$FORCE_PBUILDER_CREATE" || ! -e "$BASETGZ" ]] ; then
        echo Creating base system $BASETGZ
        [ ! -e "/usr/share/debootstrap/scripts/${DIST}" ] && sudo ln -s gutsy /usr/share/debootstrap/scripts/${DIST}
        sudo --preserve-env bash -x pbuilder create --configfile $CURDIR/debian/.pbuilderrc $PBUILDER_OPT
    fi

    # Update every 3 days (60*24*3 minutes)
    if [[ -n "$PBUILDER_UPDATE" ]] || test `find "$BASETGZ" -mmin +4320` ; then
        echo Updating base system $BASETGZ
        sudo --preserve-env pbuilder update --configfile $CURDIR/debian/.pbuilderrc $PBUILDER_OPT
    fi

    pdebuild --configfile $CURDIR/debian/.pbuilderrc -- $PBUILDER_OPT
fi