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#!/bin/bash
if [ `whoami` != 'root' ] ; then
echo "This script must be run with root privileges."
exit 1
fi
# source in the functions
source /opt/vyatta/sbin/install-functions
# the INSTALL_LOG env var should be exported by the "caller".
# it will be used to log messages.
# the install partition e.g. sda1
ROOT_PARTITION=$1
becho "Mounting /dev/$ROOT_PARTITION..."
# mount the partition
mkdir -p $WRITE_ROOT
if ! try_mount "/dev/$ROOT_PARTITION $WRITE_ROOT"; then
echo 'Exiting...'
exit 1
fi
version=$(get_new_version)
if [ -z "$version" ]; then
echo 'Cannot find new version. Exiting...'
exit 1
fi
# make the dir for the new version
mkdir -p $WRITE_ROOT/boot/$version
# make dir for backing store
rw_dir=$WRITE_ROOT/boot/$version/live-rw
mkdir -p $rw_dir
echo Copying squashfs image...
# these are the defaults if installing from a specified ISO image file.
# in such cases, the ISO image has already been mounted by caller.
squash_img=${CD_ROOT}/live/filesystem.squashfs
boot_dir=${CD_SQUASH_ROOT}/boot
boot_files=$(find $boot_dir -maxdepth 1 -type f -o -type l 2>/dev/null)
if [ ! -f "$squash_img" ] || [ -z "$boot_files" ]; then
# maybe installing from a live CD boot?
squash_img=/live/image/live/filesystem.squashfs
boot_dir=/boot
boot_files=$(find $boot_dir -maxdepth 1 -type f -o -type l 2>/dev/null)
if [ ! -f "$squash_img" ] || [ -z "$boot_files" ]; then
# not a live CD boot either. give up.
becho 'Cannot find the squashfs image. Exiting...'
exit 1
fi
fi
target_squash=$WRITE_ROOT/boot/$version/$version.squashfs
cp -p $squash_img $target_squash
echo Copying kernel and initrd images...
cp -dp $boot_files $WRITE_ROOT/boot/$version/
# set up union root for postinst
mkdir -p $INST_ROOT $READ_ROOT
if ! try_mount "-o loop,ro -t squashfs $target_squash $READ_ROOT"; then
echo 'Exiting...'
exit 1
fi
margs="-t unionfs -o noatime,dirs=$rw_dir=rw:$READ_ROOT=ro unionfs $INST_ROOT"
if ! try_mount "$margs"; then
echo 'Exiting...'
exit 1
fi
becho "Done!"
exit 0
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