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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## 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.
Expand_packagelist ()
{
local _LB_EXPAND_QUEUE
_LB_EXPAND_QUEUE="$(basename "${1}")"
shift
while [ -n "${_LB_EXPAND_QUEUE}" ]
do
local _LB_LIST_NAME
local _LB_EXPAND_QUEUE
_LB_LIST_NAME="$(echo ${_LB_EXPAND_QUEUE} | cut -d" " -f1)"
_LB_EXPAND_QUEUE="$(echo ${_LB_EXPAND_QUEUE} | cut -s -d" " -f2-)"
local _LB_LIST_LOCATION=""
local _LB_NESTED=0
local _LB_ENABLED=1
for _LB_SEARCH_PATH in "${@}"; do
if [ -e "${_LB_SEARCH_PATH}/${_LB_LIST_NAME}" ]
then
_LB_LIST_LOCATION="${_LB_SEARCH_PATH}/${_LB_LIST_NAME}"
break
fi
done
if [ -z "${_LB_LIST_LOCATION}" ]
then
Echo_warning "Unknown package list '${_LB_LIST_NAME}'"
continue
fi
printf "$(cat ${_LB_LIST_LOCATION})\n" | while read _LB_LINE
do
case "${_LB_LINE}" in
\!*)
local _EXEC
_EXEC="$(echo ${_LB_LINE} | sed -e 's|^!||')"
case "${LB_BUILD_WITH_CHROOT}" in
true)
chroot chroot sh -c "${_EXEC}"
;;
false)
eval ${_EXEC}
;;
esac
;;
\#if\ *)
if [ ${_LB_NESTED} -eq 1 ]
then
Echo_error "Nesting conditionals is not supported"
exit 1
fi
_LB_NESTED=1
local _LB_NEEDLE
local _LB_HAYSTACK
local _LB_NEEDLE_PART
local _LB_HAYSTACK_PART
_LB_NEEDLE="$(echo "${_LB_LINE}" | cut -d' ' -f3-)"
_LB_HAYSTACK="$(eval "echo \$LB_$(echo "${_LB_LINE}" | cut -d' ' -f2)")"
_LB_ENABLED=0
for _LB_NEEDLE_PART in ${_LB_NEEDLE}
do
for _LB_HAYSTACK_PART in ${_LB_HAYSTACK}
do
if [ "${_LB_NEEDLE_PART}" = "${_LB_HAYSTACK_PART}" ]
then
_LB_ENABLED=1
fi
done
done
;;
\#nif\ *)
if [ ${_LB_NESTED} -eq 1 ]
then
Echo_error "Nesting conditionals is not supported"
exit 1
fi
_LB_NESTED=1
local _LB_NEEDLE
local _LB_HAYSTACK
local _LB_NEEDLE_PART
local _LB_HAYSTACK_PART
_LB_NEEDLE="$(echo "${_LB_LINE}" | cut -d' ' -f3-)"
_LB_HAYSTACK="$(eval "echo \$LB_$(echo "${_LB_LINE}" | cut -d' ' -f2)")"
_LB_ENABLED=1
for _LB_NEEDLE_PART in ${_LB_NEEDLE}
do
for _LB_HAYSTACK_PART in ${_LB_HAYSTACK}
do
if [ "${_LB_NEEDLE_PART}" = "${_LB_HAYSTACK_PART}" ]
then
_LB_ENABLED=0
fi
done
done
;;
\#endif*)
_LB_NESTED=0
_LB_ENABLED=1
;;
\#*)
# Skip comments
;;
*)
if [ ${_LB_ENABLED} -eq 1 ]
then
echo "${_LB_LINE}"
fi
;;
esac
done
done
}
Discover_package_architectures ()
{
local _LB_EXPANDED_PKG_LIST="${1}"
local _LB_DISCOVERED_ARCHITECTURES=""
shift
if [ -e "${_LB_EXPANDED_PKG_LIST}" ] && [ -s "${_LB_EXPANDED_PKG_LIST}" ]
then
local _LB_PACKAGE_LINE
local _LB_PACKAGE_LINE_PART
while read _LB_PACKAGE_LINE
do
# Lines from the expanded package list may have multiple, space-separated packages
for _LB_PACKAGE_LINE_PART in ${_LB_PACKAGE_LINE}
do
# Looking for <package>:<architecture>
if [ -n "$(echo ${_LB_PACKAGE_LINE_PART} | awk -F"=" '{print $1}' | awk -F':' '{print $2}')" ]
then
_LB_DISCOVERED_ARCHITECTURES="${_LB_DISCOVERED_ARCHITECTURES} $(echo ${_LB_PACKAGE_LINE_PART} | awk -F':' '{print $2}')"
fi
done
done < "${_LB_EXPANDED_PKG_LIST}"
# Output unique architectures, alpha-sorted, one per line
echo "${_LB_DISCOVERED_ARCHITECTURES}" | tr -s '[:space:]' '\n' | sort | uniq
fi
}
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