#!/bin/sh

TARGET=$1

CLEANDIRS="\
tmp \
usr/doc \
usr/include \
usr/info \
usr/man \
usr/share/doc \
usr/share/doc-base \
usr/share/groff \
usr/share/info \
usr/share/locale \
usr/share/man \
var/cache/apt/archives \
var/cache/man \
var/lib/apt/lists \
var/tmp"

if [ ! -d "${TARGET}" ]; then
    echo "Usage: $0 <rootfs_dir>"
    exit 255
fi

echo "Cleaning up ${TARGET}..."

find ${TARGET} -name \*~ -delete
for dir in ${CLEANDIRS}; do
    rm -rf ${TARGET}/${dir}/*
done
rm -f ${TARGET}/var/cache/apt/*.bin
rm -f ${TARGET}/root/.{bash_history,viminfo}

mkdir -p ${TARGET}/var/lib/apt/lists/partial
mkdir -p ${TARGET}/var/cache/apt/archives/partial

for file in $(find ${TARGET}/var/log -type f); do
    : > ${file}
done