build-ipk.sh

#!/bin/sh
## OPKG package forger

MIN_PARAMS=2
if [ $# -lt $MIN_PARAMS ] || [ ! -d "$2" ]; then
    echo " Usage: $0 yourpackage.ipk IPK_BASE_FOLDER"
    exit 1
fi

IPKFILE="$1"
IPKDIR="$2"
IPKAR="True" ## Set as True to generate debian-archive AR IPK

runchecks(){
    if [ ! -d control ] || [ ! -d data ]; then
        echo " ERROR: IPK folders 'control', 'data' missing."
        exit 1
    fi
    debian_binary=$(cat debian_binary)
    if [ "$debian_binary" != "2.0" ]; then
        echo " ERROR: incompatible or missing debian_binary"
        exit 1
    fi
}

runfixes(){
    mkdir -pv control data
    touch control/control
    find './control' -name '*inst' -print0 2>/dev/null | xargs chmod -v a+x
    find './control' -name '*rm'   -print0 2>/dev/null | xargs chmod -v a+x
}

forgecontrol(){
    echo " Collecting control.tar ..."
    tar -cvf control.tar --numeric-owner --group=0 --owner=0 -C control ./

    echo " Compressing control.tar.gz ..."
    gzip -9v < control.tar > control.tar.gz
}

forgedata(){
    echo " Collecting data.tar ..."
    tar -cvf data.tar --numeric-owner --group=0 --owner=0 -C data ./

    echo " Compressing data.tar.gz ..."
    gzip -9v < "data.tar" > "data.tar.gz"
}

forgeipk(){
    echo " Collecting packagetemp.tar ..."
    tar -cvf packagetemp.tar --numeric-owner --group=0 --owner=0 ./debian_binary ./control.tar.gz ./data.tar.gz

    echo " Compressing $IPKFILE ..."
    gzip -0v < packagetemp.tar > "$IPKFILE"

    echo " Done. Created: $IPKFILE"

    if [ -n "$IPKAR" ]; then
        echo " Compressing debian-archive"
        rm "$IPKFILE"
        ar rv "$IPKFILE" debian_binary ./data.tar.gz ./control.tar.gz
    fi
}

clean(){
    rm -v data.tar data.tar.gz control.tar control.tar.gz
    rm -v packagetemp.tar
}

##main(){
cd "$IPKDIR" || exit 1
if ! runchecks
    then runfixes
    exit 1
fi
forgecontrol && \
forgedata && \
forgeipk #&& \
#clean
#}