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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"
# Blanking out fstab, so the live-initramfs will know to populate it
Chroot "rm -f /etc/fstab"
Chroot "touch /etc/fstab"
case "${LH_BINARY_IMAGES}" in
net)
if [ ! -f chroot/usr/bin/smbmount ]
then
case "${LH_APT}" in
apt|apt-get)
Chroot "apt-get install --yes smbfs"
;;
aptitude)
Chroot "aptitude install --assume-yes smbfs"
;;
esac
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 /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/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
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_DIRS='/tmp /var/tmp /var/lock /var/run /var/lib/live /var/log
/var/spool /home /live'
for DIR in ${COW_DIRS}; do
mkdir -p chroot${DIR}
done
# Config files which need to be RW
CONFIG_FILES='/etc/hostname /etc/hosts /etc/resolv.conf /etc/fstab
/etc/live.conf /etc/network/interfaces /etc/X11/xorg.conf
/etc/udev/rules.d/z25_persistent-net.rules
/etc/udev/rules.d/z25_persistent-cd.rules'
# Where we will store RW config files
RW_DIR='/var/lib/live'
for FILE_PATH in ${CONFIG_FILES}
do
# Touch files in case they don't yet exist
FILE_DIR=$(dirname ${FILE_PATH})
mkdir -p chroot${FILE_DIR}
touch chroot${FILE_PATH}
FILE_NAME=$(basename ${FILE_PATH})
mkdir -p chroot${RW_DIR}${FILE_DIR}
mv chroot${FILE_PATH} chroot${RW_DIR}${FILE_DIR}
# Create a symbolic link to RW config file
RELATIVE_PATH=$(echo ${FILE_DIR}|sed 's/[^\/]\+/../g; s/^\///g')
ln -s ${RELATIVE_PATH}${RW_DIR}${FILE_PATH} chroot${FILE_PATH}
done
# Mount doesn't write to a symlink so use /proc/mounts instead,
# see debian bug #154438 for more info
rm chroot/etc/mtab
ln -s /proc/mounts chroot/etc/mtab
fi
# Creating stage file
Create_stagefile .stage/chroot_hacks
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