#!/bin/bash
#
# Helper script for self-build rpm package.
# arguments 1:package name, 2:spec file, 3 and on: source url
#
# NOTE: To avoid scriptlet failure during rpm transaction,
#       This script should always return 0 even if there is an error.

TEXTDOMAIN=self-build-setup
TEXTDOMAINDIR=/usr/share/locale

_NAME=$1
_SPEC=$2
_ARCH=$(rpm --eval %_arch)
_QUEDIR=/var/cache/self-build

. /etc/self-build.conf

echo -n "     "
echo -n $"Start creating rpm packages."
echo "($_NAME)"

# create temporary rpm directory
if ! _TOPDIR=`mktemp -d $TEMP_DIR/$_NAME.XXXXXX`; then
    echo -n "     "
    echo $"*ERROR: can't crete temporary directory."
    exit 0
fi
mkdir $_TOPDIR/rpm
mkdir $_TOPDIR/rpm/BUILD
mkdir $_TOPDIR/rpm/RPMS
mkdir $_TOPDIR/rpm/RPMS/$_ARCH
mkdir $_TOPDIR/rpm/RPMS/noarch
mkdir $_TOPDIR/rpm/SOURCES

# copy patches and other files.
cp -a /usr/share/$_NAME/* $_TOPDIR/rpm/SOURCES

# get source

echo -n "     "
echo $"Downloading source files..."
shift 2
for u in $@; do
    _SRC=$_TOPDIR/rpm/SOURCES/$(basename $u)
    [ -s $_SRC ] && continue

    if [ ! $DL_SHOW_PROGRESS = "yes" ]; then
        # run quiet, no GUI 
        wget -q -P $_TOPDIR/rpm/SOURCES $u
        RESULT=$?
    elif [ -z `pgrep -n synaptic` ]; then
        # run verbose, without GUI (because no synaptic running)
        wget -P $_TOPDIR/rpm/SOURCES $u
        RESULT=$?
    else
    	# run verbose with GUI (zenity)
        wget -P $_TOPDIR/rpm/SOURCES $u 2>&1 | \
             sed -u 's/.* \+\([0-9]\+%\).*$/\1/' 2>/dev/null | \
             zenity --auto-close --progress \
                     --title $"Download files" \
                     --text $"Downloading $(basename $u)..." &

        # workaround for killing remaining wget process when cancel button pressed.
        WGETPID=`pgrep -f "wget -P $_TOPDIR/rpm/SOURCES $u"`
        ZENITYPID=$!                        # last child pid = zenity pid
        RESULT=0                            # hold exit status of zenity 

        RUNNING=0
        while [ $RUNNING -eq 0 ]
        do
            sleep 1
            if [ -z `ps -p $ZENITYPID -o pid=` ]; then
                if [ `ps -p $WGETPID -o pid=` ]; then
                    # if zenity exited but wget still running,
                    # then we suppose that zenity is cancelled by user.
                    sleep 3
                    kill -KILL $WGETPID
                    RESULT=1
                fi
            RUNNING=1
            fi
        done
    fi
    [ $RESULT -ne 0 -a -e $_SRC ] && rm -f $_SRC    
done
for f in $(echo $@|xargs -r -n1 basename|sort -u); do
    if [ ! -s $_TOPDIR/rpm/SOURCES/$f ]; then
        echo -n "     "
        echo $"*ERROR: can't download source file."": $f"
        rm -rf $_TOPDIR
        exit 0
    fi
done
echo -n "     "
echo $"Source files download successfully."

# build rpm package
echo -n "     "
echo $"Building rpm packages..."
echo -n "      "
echo $"(see $TEMP_DIR/$_NAME.log for detail.)"
# now rpmbuild done by non-root user $BUILD_USER
rm -f $TEMP_DIR/$_NAME.log
chown -R $BUILD_USER:$BUILD_USER $_TOPDIR
if su $BUILD_USER -c "rpmbuild -bb --define=\"_topdir $_TOPDIR/rpm\" /usr/share/$_NAME/$_SPEC > $TEMP_DIR/$_NAME.log 2>&1" > /dev/null 2>&1; then
    echo -n "     "
    echo $"rpm packages are successfully built."
    if ls $_TOPDIR/rpm/RPMS/$_ARCH | grep -e "\.rpm$" > /dev/null ; then
        mv -f $_TOPDIR/rpm/RPMS/$_ARCH/*.rpm $_QUEDIR
    fi
    if ls $_TOPDIR/rpm/RPMS/noarch | grep -e "\.rpm$" > /dev/null ; then
        mv -f $_TOPDIR/rpm/RPMS/noarch/*.rpm $_QUEDIR
    fi
    rm -rf $_TOPDIR
else
    echo -n "     "
    echo $"*ERROR: can't build rpm packages."
    rm -rf $_TOPDIR
    exit 0
fi
exit 0