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|
#!/bin/sh
# lh_chroot_hacks(1) - execute hacks in chroot
# Copyright (C) 2006-2007 Daniel Baumann <daniel@debian.org>
#
# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
# This is free software, and you are welcome to redistribute it
# under certain conditions; see COPYING for details.
set -e
# Including common functions
LH_BASE="${LH_BASE:-/usr/share/live-helper}"
for FUNCTION in "${LH_BASE}"/functions/*.sh
do
. "${FUNCTION}"
done
# Setting static variables
DESCRIPTION="execute hacks in chroot"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffile config/common
Read_conffile config/bootstrap
Read_conffile config/chroot
Read_conffile config/binary
Read_conffile config/source
Read_conffile "${LH_CONFIG}"
Set_defaults
Echo_message "Begin executing hacks..."
# Requiring stage file
Require_stagefile .stage/bootstrap
# Checking stage file
Check_stagefile .stage/chroot_hacks
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
# Removing udev mac caching rule
Chroot "rm -f /etc/udev/rules.d/z25_persistent-net.rules"
case "${LH_BINARY_IMAGES}" in
net)
if [ ! -f chroot/usr/bin/smbmount ]
then
Apt install smbfs
fi
if [ ! -d chroot/etc/initramfs-tools ]
then
mkdir chroot/etc/initramfs-tools
fi
if [ ! "$(grep 'MODULES=netboot' chroot/etc/initramfs-tools/initramfs.conf)" ]
then
# Configuring initramfs for NFS
cat >> chroot/etc/initramfs-tools/initramfs.conf << EOF
MODULES=netboot
BOOT=nfs
NFSROOT=auto
EOF
fi
;;
esac
# Remove resume
if [ "${LH_DISTRIBUTION}" = "etch" ] && [ -e /etc/initramfs-tools/conf.d/resume ]
then
rm -f /etc/initramfs-tools/conf.d/resume
fi
# Update initramfs
Chroot "update-initramfs -k all -t -u"
# Remove build systems clock drift
echo "0.0 0 0.0" > chroot/etc/adjtime
# Remove cruft
rm -f chroot/boot/initrd*bak*
rm -f chroot/etc/apt/trusted.gpg~
rm -f chroot/etc/group- chroot/etc/passwd-
rm -f chroot/etc/gshadow- chroot/etc/shadow-
rm -f chroot/var/cache/debconf/*-old
rm -f chroot/var/cache/man/index.db
rm -f chroot/var/lib/dpkg/*-old
if [ -n "${LH_ROOT_COMMAND}" ]
then
${LH_ROOT_COMMAND} chown -R --quiet $(whoami):$(whoami) chroot
fi
if [ -d chroot/home/${LH_USERNAME} ]
then
chown -R --quiet 999:999 chroot/home/${LH_USERNAME}
fi
# This is a temporary hack to get rid of fstab;
# needs cleanup in live-initramfs first to proper fix.
if [ "${LH_DEBIAN_INSTALLER}" = "live" ]
then
rm -f chroot/etc/fstab
fi
if [ "${LH_EXPOSED_ROOT}" = "enabled" ]
then
# Make sure RW dirs exist so that the initramfs script has
# a directory in which to bind the tmpfs filesystems
COW_DIRECTORIES="/home /live /tmp /var/lib/live /var/lock /var/log /var/run /var/tmp /var/spool"
for DIRECTORY in ${COW_DIRECTORIES}
do
mkdir -p chroot/"${DIRECTORY}"
done
# Config files which need to be RW
COW_FILES="/etc/adjtime /etc/fstab /etc/hostname /etc/hosts /etc/live.conf /etc/network/interfaces /etc/resolv.conf /etc/udev/rules.d/z25_persistent-net.rules /etc/udev/rules.d/z25_persistent-cd.rules' /etc/X11/xorg.conf"
# Where we will store RW config files
RW_DIRECTORY="/var/lib/live"
for FILE in ${COW_FILES}
do
DIRECTORY="$(dirname ${FILE})"
FILE="$(basename ${FILE})"
RELATIVE_PATH="$(echo ${DIRECTORY} | sed 's|[^/]\+|..|g; s|^/||g')"
# Touch files in case they don't yet exist
mkdir -p chroot/${DIRECTORY}
touch chroot/${DIRECTORY}/${FILE}
# Move files to the read-write directory
mkdir -p chroot/${RW_DIRECTORY}/${DIRECTORY}
mv chroot/${DIRECTORY}/${FILE} chroot/${RW_DIRECTORY}/${DIRECTORY}
# Create a symbolic link to RW config file
ln -s ${RELATIVE_PATH}/${RW_DIRECTORY}/${DIRECTORY}/${FILE} chroot/${DIRECTORY}/${FILE}
done
# Mount doesn't write to a symlink so use /proc/mounts instead,
# see debian bug #154438 for more info
rm -f chroot/etc/mtab
ln -s /proc/mounts chroot/etc/mtab
fi
# Creating stage file
Create_stagefile .stage/chroot_hacks
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