#!/bin/bash

# Default options values
## Either building source in a chroot env or not
BUILD_SRC_LOCALLY=false

## Debian distribution to use
CODENAME=
DISTRIBUTION=

# Global and environment variables
source /home/vinaigrette/config/config
export DEBSIGN_KEYID
export DEBFULLNAME
export DEBEMAIL

usage()
{
cat << EOF
Usage: `basename $0` [options] DIR

ARGUMENTS:
   DIR     Root directory of the package to build

OPTIONS:
   -c CODENAME  Debian codename target
                (one of: $AVAILABLE_CODENAMES)
   -d COMPONENT Repository component to put package in
                (one of: $AVAILABLE_COMPONENTS)
   -l           Build sources locally (without pbuilder)
   -h           Print this help
EOF
exit
}

# Parse options
while getopts :c:d:lh option; do
    case "$option" in
        c)
            CODENAME=$OPTARG
            ;;
        d)
            DISTRIBUTION=$OPTARG
            ;;
        l)
            BUILD_SRC_LOCALLY=true
            ;;
        h)
            usage
            ;;
        :)
            echo "Option -$OPTARG requires an argument"
            exit 1
            ;;
        \?)
            echo "-$OPTARG: invalid option"
            exit 1
            ;;
    esac
done

shift $((OPTIND-1))

# Parse DIR argument
if [ $# -ne 1 ]; then
    echo -e "Error: Missing DIR argument\n"
    usage
fi
PKG_DIR=$(readlink -fn $1)
ROOT_DIR=$(readlink -fn ${PKG_DIR}/../)

# Retrieve package info
cd $PKG_DIR
package=$(dpkg-parsechangelog | awk '/^Source: / {print $2}')
version=$(dpkg-parsechangelog | awk '/^Version: / {print $2}')
distribution=$(dpkg-parsechangelog | awk '/^Distribution: / {print $2}')

# Set and validate codename & distribution
if [ -z "$CODENAME" ]; then
    CODENAME=$DEFAULT_CODENAME
elif ! [[ $AVAILABLE_CODENAMES =~ ^(.* |)$CODENAME( .*|)$ ]]; then
    echo "Unmanaged codename '$CODENAME'"
    exit 1
fi
if [ -z "$DISTRIBUTION" ]; then
    extract_codename_distribution $distribution || exit 1
fi

changes_file=${ROOT_DIR}/${package}_${version}_source.changes

echo "Building source package of ${package}_${version}..."
if $BUILD_SRC_LOCALLY; then
    debuild -S -sa > /dev/null
else
    img="${PBUILDER_IMAGES}/${CODENAME}-amd64.tgz"
    sudo pbuilder execute --bindmounts ${ROOT_DIR} \
        --basetgz ${img} -- ${BUILD_SOURCES} $PKG_DIR
fi
if [ $? -ne 0 ] || [ ! -f ${changes_file} ]; then
    echo "An error occured while building source package"
    exit 1
fi

echo "Adding ${package}_${version} to ${CODENAME}/${DISTRIBUTION}..."
$INCLUDE_CHANGES $CODENAME $DISTRIBUTION $changes_file
if [ $? -ne 0 ]; then
    echo "An error occured while including source package"
    exit 1
fi

#echo "Process incoming in repository..."
#sudo reprepro -V -b $REPO_DIR processincoming incoming
#if [ $? -ne 0 ]; then
#    echo "An error occured while processing incoming"
#    exit 1
#fi

echo "Build will start soon. See http://$REPO_URL"