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|
#!/bin/sh
# lh_chroot_hacks(1) - execute hacks in chroot
# Copyright (C) 2006-2009 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
. "${LH_BASE:-/usr/share/live-helper}"/functions.sh
# Setting static variables
DESCRIPTION="$(Echo 'execute hacks in chroot')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
Echo_message "Begin executing hacks..."
# Requiring stage file
Require_stagefile .stage/config .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
rm -f chroot/etc/udev/rules.d/*persistent-net.rules
# Remove resume
if [ "${LH_DISTRIBUTION}" = "etch" ] && [ -e /etc/initramfs-tools/conf.d/resume ]
then
rm -f /etc/initramfs-tools/conf.d/resume
fi
case "${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 [ ! "$(grep 'MODULES=netboot' chroot/etc/initramfs-tools/initramfs.conf)" ]
then
# Configuring initramfs for NFS
cat >> chroot/etc/initramfs-tools/initramfs.conf << EOF
MODULES=netboot
BOOT=nfs
NFSROOT=auto
EOF
fi
;;
esac
# Update initramfs (always, because of udev rules in initrd)
Chroot chroot "update-initramfs -k all -t -u"
# Ensure readable permissions on initramfs. loop-aes-utils sets umask to
# protect GPG keys, which live-helper does not support.
# Note: Use find rather than chmod on the wildcard, one never knows what
# people might do in local hooks, and there might be no initrds at all.
find chroot/boot -name 'initrd*' -print0 | xargs -r -0 chmod go+r
# Remove build systems clock drift
echo "0.0 0 0.0" > chroot/etc/adjtime
# Remove cruft
rm -f chroot/boot/initrd*bak*
rm -f chroot/etc/apt/trusted.gpg~
rm -f chroot/etc/group- chroot/etc/passwd-
rm -f chroot/etc/gshadow- chroot/etc/shadow-
rm -f chroot/var/cache/debconf/*-old
rm -f chroot/var/lib/dpkg/*-old
if [ -n "${LH_ROOT_COMMAND}" ]
then
${LH_ROOT_COMMAND} chown -R --quiet $(whoami):$(whoami) chroot
fi
case "${LH_INITRAMFS}" in
casper)
ID="999"
;;
*)
ID="1000"
;;
esac
if [ -d chroot/home/${LH_USERNAME} ]
then
chown -R --quiet ${ID}:${ID} chroot/home/${LH_USERNAME}
fi
if [ "${LH_DEBIAN_INSTALLER}" = "live" ]
then
# This is a temporary hack to get rid of fstab;
# needs cleanup in live-initramfs first to proper fix.
rm -f chroot/etc/fstab
# There is a timing issue somewhere when using live-installer
# and the apt-get update waypoint: At the time when we're installing
# bootloader, it tries to fetch them from the net but the e.g.
# 'chroot /target apt-get install grub' fails because of missing
# packages lists. As a very cheap workaround, we ensure that the
# bootloader is already installed in the image. Very ugly, but it's to
# late to fix it in d-i because lenny rc2 has been already released.
case "${LH_ARCHITECTURE}" in
amd64|i386|lpia)
Apt install grub
;;
powerpc)
Apt install yaboot
;;
esac
fi
if [ "${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/*persistent-net.rules /etc/udev/rules.d/*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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