#!/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.


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="Manage /etc/apt/sources.list"
USAGE="${PROGRAM} [--force]"

# Processing arguments and configuration files
Init_config_data "${@}"

# Requiring stage file
Require_stagefiles config bootstrap

Echo_message "Configuring file /etc/apt/sources.list"

# Checking stage file
Check_stagefile

# Acquire lock file
Acquire_lockfile

# Restoring cache
Restore_package_cache chroot

# Mount local repository
if echo "${LB_PARENT_MIRROR_CHROOT}" | grep -q '^file:/'
then
	Chroot_bind_path chroot "$(echo ${LB_PARENT_MIRROR_CHROOT} | sed -e 's|file:||')"
fi

# Configure custom sources.list
Create_apt_sources_list chroot

# Adding local apt sources (chroot)
for FILE in config/archives/*.list config/archives/*.list.chroot
do
	if [ -e "${FILE}" ]
	then
		sed -e "s|@DISTRIBUTION@|${LB_DISTRIBUTION_CHROOT}|g" \
		    -e "s|@PARENT_DISTRIBUTION@|${LB_PARENT_DISTRIBUTION_CHROOT}|g" \
		    -e "s|@ARCHIVE_AREAS@|${LB_ARCHIVE_AREAS}|g" \
		    -e "s|@PARENT_ARCHIVE_AREAS@|${LB_PARENT_ARCHIVE_AREAS}|g" \
		"${FILE}" > "chroot/etc/apt/sources.list.d/$(basename ${FILE} .chroot)"
	fi
done

# Adding local apt configuration (chroot)
for FILE in config/archives/*.conf config/archives/*.conf.chroot
do
	if [ -e "${FILE}" ]
	then
		cp ${FILE} chroot/etc/apt/apt.conf.d/$(basename ${FILE} .chroot)
	fi
done

# Adding local apt preferences (chroot)
for FILE in config/archives/*.pref config/archives/*.pref.chroot
do
	if [ -e "${FILE}" ]
	then
		cp ${FILE} chroot/etc/apt/preferences.d/$(basename ${FILE} .chroot)
	fi
done

# Check local archive keys
if Find_files config/archives/*.key || \
   Find_files config/archives/*.key.chroot
then
	for FILE in config/archives/*.key \
		    config/archives/*.key.chroot
	do
		if [ -e "${FILE}" ]
		then
			if grep -q "PGP PUBLIC KEY BLOCK" "${FILE}"
			then
				cp ${FILE} chroot/etc/apt/trusted.gpg.d/$(basename ${FILE}).asc
			else
				cp ${FILE} chroot/etc/apt/trusted.gpg.d/$(basename ${FILE}).gpg
			fi
		fi
	done
fi

# Check local keyring packages
if Find_files config/archives/*.deb
then
	for PACKAGE in config/archives/*.deb
	do
		cp ${PACKAGE} chroot/root
		Chroot chroot "dpkg -i /root/$(basename ${PACKAGE})"
		rm -f chroot/root/$(basename ${PACKAGE})
	done
fi

# Installing aptitude
if [ "${LB_APT}" = "aptitude" ] && [ ! -x chroot/usr/bin/aptitude ]
then
	Chroot chroot "apt-get ${APT_OPTIONS} update"
	Chroot chroot "apt-get ${APT_OPTIONS} install aptitude"
fi

# Rebuild apt indices from scratch.
# Due to the fact that apt doesn't understand
# pinning on the fly, we need to manually remove
# the cached indices and rebuild them again.
rm -rf chroot/var/cache/apt/*.bin

Apt chroot update

# Installing keyring packages
if [ -n "${LB_KEYRING_PACKAGES}" ]
then
	Apt chroot "install ${LB_KEYRING_PACKAGES}"
fi

rm -rf chroot/var/cache/apt/*.bin

Apt chroot update

if [ "${LB_DERIVATIVE}" = "true" ]
then
	Apt chroot install apt dpkg
fi

Apt chroot "upgrade"
Apt chroot "dist-upgrade"

# Saving cache
Save_package_cache chroot

# Creating stage file
Create_stagefile