/usr/lib/live/build/source_iso is in live-build 1:20170213.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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## live-build(7) - System Build Scripts
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## 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="$(Echo 'build iso source image')"
HELP=""
USAGE="${PROGRAM} [--force]"
Arguments "${@}"
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
if [ "${LB_SOURCE}" != "true" ]
then
exit 0
fi
case "${LB_SOURCE_IMAGES}" in
iso*)
;;
*)
exit 0
;;
esac
Echo_message "Begin building source iso image..."
# Requiring stage file
Require_stagefile .build/config .build/source_debian
# Checking stage file
Check_stagefile .build/source_iso
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
# Checking depends
Check_package chroot /usr/bin/xorriso xorriso
# Installing depends
Install_package
# Remove old iso image
if [ -f ${LIVE_IMAGE_NAME}-source.iso ]
then
rm -f ${LIVE_IMAGE_NAME}-source.iso
fi
# Handle xorriso generic options
XORRISO_OPTIONS="-as mkisofs -r -J -joliet-long -l -cache-inodes"
# Handle xorriso live-build specific options
if [ "${_QUIET}" = "true" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -quiet"
fi
if [ "${_VERBOSE}" = "true" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -v"
fi
if [ -n "${LB_ISO_APPLICATION}" ] && [ "${LB_ISO_APPLICATION}" != "none" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -A \"${LB_ISO_APPLICATION}\""
fi
if [ -n "${LB_ISO_PREPARER}" ] && [ "${LB_ISO_PREPARER}" != "none" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -p \"${LB_ISO_PREPARER}\""
fi
if [ -n "${LB_ISO_PUBLISHER}" ] && [ "${LB_ISO_PUBLISHER}" != "none" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -publisher \"${LB_ISO_PUBLISHER}\""
fi
if [ -n "${LB_ISO_VOLUME}" ] && [ "${LB_ISO_VOLUME}" != "none" ]
then
XORRISO_OPTIONS="${XORRISO_OPTIONS} -V \"${LB_ISO_VOLUME}\""
fi
# Set an explicit modification date
XORRISO_OPTIONS="${XORRISO_OPTIONS} --modification-date=$(date --utc --date="@${SOURCE_DATE_EPOCH:-$(date +%s)}" +%Y%m%d%H%m%S00)"
# Moving image
mv source chroot
cat >> chroot/source.sh << EOF
xorriso ${XORRISO_OPTIONS} -o source.iso source
EOF
Chroot chroot "sh source.sh"
# Move image
mv chroot/source ./
mv chroot/source.iso ${LIVE_IMAGE_NAME}-source.iso
rm -f chroot/source.sh
# Removing depends
Remove_package
# Creating stage file
Create_stagefile .build/source_iso
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