#!/bin/sh

target_ready() {

        [ -r /target/bin/apt-get ]              \
        && [ -r /target/bin/bash ]

}

cacerts_installed() {

        [ -r /target/var/lib/dpkg/info/ca-certificates.list ]

}

install_cacerts() {

        mkdir /target/mycd
        mount -o ro /dev/cdrom /target/mycd
        cd /target

        OPENSSL_PKG=$(find mycd -iname openssl_*.deb)
        if [ -f $OPENSSL_PKG ] ; then
                in-target /bin/apt install -y /$OPENSSL_PG
        fi

        CACERTS_PKG=$(find mycd -iname ca-certificates_*all.deb)
        if [ -f $CACERTS_PKG ] ; then
                in-target /bin/apt install -y /$CACERTS_PKG
        fi

        umount /target/mycd
}

mylog() {
        /usr/bin/logger -t cacert_install "$1"
}

main() {

        for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ;do
                mylog "checking if /target is ready"
                if target_ready ; then
                        mylog "/target is ready"
                        if ! cacerts_installed ; then
                                mylog "ca-certificates not installed, trying to install (try: $i)"
                                install_cacerts
                                mylog "ca-certificates installed. Verfiying."
                                cacerts_installed && exit 0
                                mylog "ca-certificates still not installed"
                        else
                                exit 0
                        fi
                else
                        mylog "/target not ready so far"
                fi
                sleep 10
        done
        mylog "could not install ca-certificates after 20 tries. giving up."

}

main >/tmp/cacertinstall.log 2>&1 &