/usr/bin/uck-remaster-unpack-rootfs is in uck 2.4.7-0ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | #!/bin/bash
###################################################################################
# UCK - Ubuntu Customization Kit #
# Copyright (C) 2006-2010 UCK Team #
# #
# UCK is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# UCK is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with UCK. If not, see <http://www.gnu.org/licenses/>. #
###################################################################################
#############################
# general purpose functions #
#############################
function usage()
{
echo "Usage: $0 [-m] [remaster-dir]"
}
function failure()
{
echo "$@"
exit 1
}
#########################
# input parameter check #
#########################
use_mount=false
if [ x"$1" = x-m ]; then
use_mount=true; shift
fi
REMASTER_HOME="$1"
if [ -z "$REMASTER_HOME" ]; then
REMASTER_HOME=~/tmp
fi
########
# main #
########
. libraries/remaster-live-cd.sh 2>/dev/null ||
. /usr/lib/uck/remaster-live-cd.sh 2>/dev/null ||
failure "libraries not found"
SQUASHFS_MOUNT_DIR="$REMASTER_HOME/remaster-root-mount"
SQUASHFS_IMAGE="$REMASTER_HOME/remaster-iso/casper/filesystem.squashfs"
REMASTER_DIR="$REMASTER_HOME/remaster-root"
# Check for previous use of union mounts and implicitly turn on -m iff found
if [ -d "$REMASTER_DIR"-cache ]; then
use_mount=true
fi
if [ $use_mount = true ] && check_union_mounts; then
# Mount r/W copy of rootfs on iso
if mountpoint "$REMASTER_DIR"; then
: do nothing - is already mounted
else
union_mount "$SQUASHFS_IMAGE" "$REMASTER_DIR" ||
failure "Can't union_mount $REMASTER_DIR"
fi
# Prevent immediate unmount by cleanup code
trap : EXIT
else
if [ $use_mount = true ]; then
echo "Cannot use union mounts - using copy instead!"
use_mount=false
fi
remove_remaster_dir
mount_squashfs
unpack_rootfs
unmount_squashfs
fi
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