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#!/bin/sh
# packages.sh - handle packages installation
# Copyright (C) 2006-2009 Daniel Baumann <daniel@debian.org>
#
# live-helper 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.
Check_package ()
{
FILE="${1}"
PACKAGE="${2}"
Check_installed "${FILE}" "${PACKAGE}"
case "${INSTALL_STATUS}" in
1)
_LH_PACKAGES="${_LH_PACKAGES} ${PACKAGE}"
;;
2)
Echo_error "You need to install %s on your host system." "${PACKAGE}"
exit 1
;;
esac
}
Install_package ()
{
if [ -n "${_LH_PACKAGES}" ] && [ "${LH_CHROOT_BUILD}" != "disabled" ]
then
case "${LH_APT}" in
apt|apt-get)
Chroot chroot "apt-get install -o APT::Install-Recommends=false --yes ${_LH_PACKAGES}"
;;
aptitude)
Chroot chroot "aptitude install --without-recommends --assume-yes ${_LH_PACKAGES}"
;;
esac
fi
}
Remove_package ()
{
if [ -n "${_LH_PACKAGES}" ] && [ "${LH_CHROOT_BUILD}" != "disabled" ]
then
case "${LH_APT}" in
apt|apt-get)
Chroot chroot "apt-get remove --purge --yes ${_LH_PACKAGES}"
;;
aptitude)
Chroot chroot "aptitude purge --assume-yes ${_LH_PACKAGES}"
;;
esac
fi
}
# Check_installed
# uses as return value global var INSTALL_STATUS
# INSTALL_STATUS : 0 if package is installed
# 1 if package isn't installed and we're in an apt managed system
# 2 if package isn't installed and we aren't in an apt managed system
Check_installed ()
{
FILE="${1}"
PACKAGE="${2}"
case "${LH_CHROOT_BUILD}" in
enabled)
if Chroot chroot "dpkg-query -s ${PACKAGE}" 2> /dev/null | grep -qs "Status: install"
then
INSTALL_STATUS=0
else
INSTALL_STATUS=1
fi
;;
disabled)
if which dpkg-query > /dev/null 2>&1
then
if Chroot chroot "dpkg-query -s ${PACKAGE}" 2> /dev/null | grep -qs "Status: install"
then
INSTALL_STATUS=0
else
INSTALL_STATUS=1
fi
else
FILE="$(echo ${FILE} | sed -e 's|chroot||')"
if [ ! -e "${FILE}" ]
then
INSTALL_STATUS=2
else
INSTALL_STATUS=0
fi
fi
;;
esac
}
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