#!/bin/bash # Copyright © 2016-2017 Simon McVittie # Copyright © 2017-2018 Collabora Ltd. # # SPDX-License-Identifier: MIT # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the # "Software"), to deal in the Software without restriction, including # without limitation the rights to use, copy, modify, merge, publish, # distribute, sublicense, and/or sell copies of the Software, and to # permit persons to whom the Software is furnished to do so, subject to # the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. set -e set -u set -o pipefail me="$(basename "$0")" if [ "$#" != 1 ] || [ "$1" = '--help' ] || [ "x$(id -u)" != x0 ] || ! [ -d "$1" ]; then echo "$me: Usage:" >&2 echo " $me SYSROOT" >&2 echo "" >&2 echo "Run this script as root." >&2 exit 2 fi sysroot="$1" cd "$sysroot" in_chroot () { chroot "$sysroot" "$@" } rm -fr \ etc/.pwd.lock \ etc/group- \ etc/machine-id \ etc/passwd- \ etc/shadow- \ etc/subgid- \ etc/subuid- \ home \ media \ mnt \ opt \ root \ run \ srv \ tmp \ var/cache \ var/lib/aptitude/pkgstates.old \ var/lib/dbus/machine-id \ var/lib/dpkg/available-old \ var/lib/dpkg/diversions-old \ var/lib/dpkg/status-old \ var/lib/urandom \ var/lock \ var/tmp \ ${NULL+} # dpkg exclusions don't always exclude subdirectories find usr/share/doc -depth -xdev -type d -empty -delete # For portability between systems, especially if we're exporting a # sysroot tarball for schroot (which assumes it can use host uids and # gids for the chroot), we don't want to include /var/lib/apt/lists/*/ # in the tarball if they are owned by _apt. We can just delete them - # apt will recreate them as needed. for dir in \ var/lib/apt/lists/auxfiles \ var/lib/apt/lists/partial \ ; do if [ -e "$dir" ] \ && [ "x$(command stat -c '%u:%g' "$dir")" != "x0:0" ]; then rm -fr "$dir" fi done install -d root install -d run install -d run/lock install -d -m1777 tmp install -d var/cache install -d -m1777 var/tmp ln -s /dev/shm run/shm ln -s /run/lock var/lock