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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.
# The file that records temporarily installed packages.
Installed_tmp_packages_file ()
{
echo "chroot.installed_tmp_pkgs"
}
# Note, writes to _LB_PACKAGES
Check_package ()
{
local CHROOT="${1}"
local FILE="${2}"
local PACKAGE="${3}"
Check_installed "${CHROOT}" "${FILE}" "${PACKAGE}"
if [ "${INSTALL_STATUS}" -ne 0 ]
then
if [ "${LB_BUILD_WITH_CHROOT}" != "false" ] && [ "${CHROOT}" = "chroot" ]
then
_LB_PACKAGES="${_LB_PACKAGES} ${PACKAGE}"
else
Echo_error "You need to install %s on your host system." "${PACKAGE}"
exit 1
fi
fi
}
# Note, reads from _LB_PACKAGES
Install_packages ()
{
if [ -z "${_LB_PACKAGES}" ] || [ "${LB_BUILD_WITH_CHROOT}" != "true" ]; then
return
fi
# Record in file to survive failure such that recovery can take place.
local LIST_FILE
LIST_FILE="$(Installed_tmp_packages_file)"
local PACKAGE
for PACKAGE in ${_LB_PACKAGES}; do
echo "${PACKAGE}" >> "${LIST_FILE}"
done
case "${LB_APT}" in
apt|apt-get)
Chroot chroot "apt-get install -o APT::Install-Recommends=false ${APT_OPTIONS} ${_LB_PACKAGES}"
;;
aptitude)
Chroot chroot "aptitude install --without-recommends ${APTITUDE_OPTIONS} ${_LB_PACKAGES}"
;;
esac
unset _LB_PACKAGES # Can clear this now
}
Remove_packages ()
{
if [ "${LB_BUILD_WITH_CHROOT}" != "true" ]; then
return
fi
local LIST_FILE
LIST_FILE="$(Installed_tmp_packages_file)"
# List is read from file to ensure packages from any past failure are
# included in the list on re-running scripts to recover.
local PACKAGES=""
if [ -e "${LIST_FILE}" ]; then
local PACKAGE
while read -r PACKAGE; do
PACKAGES="${PACKAGES} ${PACKAGE}"
done < "${LIST_FILE}"
fi
if [ -n "${PACKAGES}" ]; then
case "${LB_APT}" in
apt|apt-get)
Chroot chroot "apt-get remove --auto-remove --purge ${APT_OPTIONS} ${PACKAGES}"
;;
aptitude)
Chroot chroot "aptitude purge --purge-unused ${APTITUDE_OPTIONS} ${PACKAGES}"
;;
esac
fi
rm -f "${LIST_FILE}"
}
#FIXME: make use of this. see commit log that added this for details.
# Perform temp package removal for recovery if necessary
Cleanup_temp_packages ()
{
if [ -e "$(Installed_tmp_packages_file)" ]; then
Remove_packages
fi
}
# Check_installed
# uses as return value global var INSTALL_STATUS
# INSTALL_STATUS : 0 if package is installed
# 1 if package isn't installed and we're in an apt managed system
# 2 if package isn't installed and we aren't in an apt managed system
Check_installed ()
{
local CHROOT="${1}"
local FILE="${2}"
local PACKAGE="${3}"
if [ "${LB_BUILD_WITH_CHROOT}" = "true" ] && [ "${CHROOT}" = "chroot" ]
then
if Chroot chroot "dpkg-query -s ${PACKAGE}" 2> /dev/null | grep -qs "Status: install"
then
INSTALL_STATUS=0
else
INSTALL_STATUS=1
fi
else
if command -v dpkg-query >/dev/null
then
if dpkg-query -s "${PACKAGE}" 2> /dev/null | grep -qs "Status: install"
then
INSTALL_STATUS=0
else
INSTALL_STATUS=1
fi
else
if [ ! -e "${FILE}" ]
then
INSTALL_STATUS=2
else
INSTALL_STATUS=0
fi
fi
fi
}
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