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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2013 Daniel Baumann <daniel@debian.org>
##
## This program 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
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
# Setting static variables
DESCRIPTION="$(Echo 'execute hacks in chroot')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
Echo_message "Begin executing hacks..."
# Requiring stage file
Require_stagefile .build/config .build/bootstrap
# Checking stage file
Check_stagefile .build/chroot_hacks
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
case "${LB_BINARY_IMAGES}" in
netboot)
if [ ! -f chroot/sbin/mount.cifs ]
then
Apt chroot install cifs-utils
fi
if [ ! -d chroot/etc/initramfs-tools ]
then
mkdir chroot/etc/initramfs-tools
fi
# Configuring initramfs for NFS
if ! grep -qs "BOOT=nfs" chroot/etc/initramfs-tools/initramfs.conf
then
echo "BOOT=nfs" >> chroot/etc/initramfs-tools/initramfs.conf
fi
if ! grep -qs "NFSROOT=auto" chroot/etc/initramfs-tools/initramfs.conf
then
echo "NFSROOT=auto" >> chroot/etc/initramfs-tools/initramfs.conf
fi
;;
esac
# Update initramfs (always, because of udev rules in initrd)
case "${LB_INITRAMFS}" in
casper)
UPDATE_INITRAMFS_OPTIONS="CASPER_GENERATE_UUID=1"
;;
live-boot)
#UPDATE_INITRAMFS_OPTIONS="LIVE_GENERATE_UUID=1"
;;
esac
if [ "${LB_INITRAMFS}" != "none" ]
then
Chroot chroot "${UPDATE_INITRAMFS_OPTIONS} update-initramfs -k all -t -u"
fi
# We probably ought to use COMPRESS= in a temporary file in
# /etc/initramfs-tools/conf.d/ instead, but it's hard to pass options that
# way.
case "${LB_INITRAMFS_COMPRESSION}" in
gzip)
;;
bzip2)
for INITRAMFS in $(find chroot/boot -name 'initrd*'); do
zcat "${INITRAMFS}" | bzip2 -c ${BZIP2_OPTIONS} > "${INITRAMFS}.new"
mv "${INITRAMFS}.new" "${INITRAMFS}"
done
;;
lzma)
# We probably ought to use COMPRESS= in a temporary file in
# /etc/initramfs-tools/conf.d/ instead, but it's hard to
# pass options that way.
for INITRAMFS in $(find chroot/boot -name 'initrd*'); do
zcat "${INITRAMFS}" | lzma -c ${LZMA_OPTIONS} > "${INITRAMFS}.new"
mv "${INITRAMFS}.new" "${INITRAMFS}"
done
;;
esac
case "${LB_PARENT_DISTRIBUTION}" in
squeeze)
# Ensure readable permissions on initramfs. loop-aes-utils sets umask to
# protect GPG keys, which live-build does not support.
# Note: Use find rather than chmod on the wildcard, one never knows what
# people might do in local hooks, and there might be no initrds at all.
find chroot/boot -name 'initrd*' -print0 | xargs -r -0 chmod go+r
;;
esac
if [ -n "${LB_ROOT_COMMAND}" ]
then
${LB_ROOT_COMMAND} chown -R --quiet $(whoami):$(whoami) chroot
fi
case "${LB_INITRAMFS}" in
casper)
ID="999"
;;
live-boot)
ID="1000"
;;
*)
ID=""
;;
esac
if [ "${LB_DEBIAN_INSTALLER}" = "live" ]
then
# This is a temporary hack to get rid of fstab;
# needs cleanup in live-boot first to proper fix.
rm -f chroot/etc/fstab
touch chroot/etc/fstab
fi
if [ "${LB_EXPOSED_ROOT}" = "true" ]
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
if [ "${LB_SWAP_FILE_PATH}" ]; then
dd if=/dev/zero of="chroot/${LB_SWAP_FILE_PATH}" bs=1024k count="${LB_SWAP_FILE_SIZE}"
mkswap "chroot/${LB_SWAP_FILE_PATH}"
fi
# Creating stage file
Create_stagefile .build/chroot_hacks
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