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#!/bin/sh -ex
usage() {
echo "Usage: $0 arch suite rootdir [mirror]"
}
MIRROR="http://127.0.0.1:3142/ftp.de.debian.org/debian"
[ "$#" -ne 3 ] && [ "$#" -ne 4 ] && { usage; exit; }
ARCH="$1"
SUITE="$2"
ROOTDIR="$3"
MIRROR=${4:-$MIRROR}
[ -e "$ROOTDIR" ] && { echo "root directory still exists"; exit; }
mkdir "$ROOTDIR"
ROOTDIR=`realpath "$ROOTDIR"`
# apt options
APT_OPTS="-y"
APT_OPTS=$APT_OPTS" -o Apt::Architecture=$ARCH"
APT_OPTS=$APT_OPTS" -o Dir::Etc::TrustedParts=$ROOTDIR/etc/apt/trusted.gpg.d"
APT_OPTS=$APT_OPTS" -o Dir::Etc::Trusted=$ROOTDIR/etc/apt/trusted.gpg"
APT_OPTS=$APT_OPTS" -o Apt::Get::AllowUnauthenticated=true"
APT_OPTS=$APT_OPTS" -o Apt::Get::Download-Only=true"
APT_OPTS=$APT_OPTS" -o Apt::Install-Recommends=false"
APT_OPTS=$APT_OPTS" -o Dir=$ROOTDIR/"
APT_OPTS=$APT_OPTS" -o Dir::Etc=$ROOTDIR/etc/apt/"
APT_OPTS=$APT_OPTS" -o Dir::Etc::SourceList=$ROOTDIR/etc/apt/sources.list"
APT_OPTS=$APT_OPTS" -o Dir::State=$ROOTDIR/var/lib/apt/"
APT_OPTS=$APT_OPTS" -o Dir::State::Status=$ROOTDIR/var/lib/dpkg/status"
APT_OPTS=$APT_OPTS" -o Dir::Cache=$ROOTDIR/var/cache/apt/"
# initial setup for apt and dpkg to work properly
mkdir -p $ROOTDIR
mkdir -p $ROOTDIR/etc/apt/
mkdir -p $ROOTDIR/etc/apt/sources.list.d/
mkdir -p $ROOTDIR/etc/apt/preferences.d/
mkdir -p $ROOTDIR/var/lib/apt/
mkdir -p $ROOTDIR/var/lib/apt/lists/partial/
mkdir -p $ROOTDIR/var/lib/dpkg/
mkdir -p $ROOTDIR/var/cache/apt/
touch $ROOTDIR/var/lib/dpkg/status
# fill sources.list
echo deb $MIRROR $SUITE main > $ROOTDIR/etc/apt/sources.list
# update and install git and ruby
apt-get $APT_OPTS update
apt-get $APT_OPTS install libc6 libselinux1 libacl1 man-db libstdc++6
# unpack downloaded archives
for deb in $ROOTDIR/var/cache/apt/archives/*.deb; do
dpkg -x $deb $ROOTDIR
done