script-sid 6.09 KB
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mirror_style release
download_style apt
finddebs_style from-indices
variants - buildd fakechroot minbase
keyring /usr/share/keyrings/debian-archive-keyring.gpg

if doing_variant fakechroot; then
	test "$FAKECHROOT" = "true" || error 1 FAKECHROOTREQ "This variant requires fakechroot environment to be started"
fi

case $ARCH in
	alpha|ia64) LIBC="libc6.1" ;;
	kfreebsd-*) LIBC="libc0.1" ;;
	hurd-*)     LIBC="libc0.3" ;;
	*)          LIBC="libc6" ;;
esac

work_out_debs () {
	required="$(get_debs Priority: required)"

	if doing_variant - || doing_variant fakechroot; then
		#required="$required $(get_debs Priority: important)"
		#  ^^ should be getting debconf here somehow maybe
		base="$(get_debs Priority: important)"
	elif doing_variant buildd; then
		base="apt build-essential"
	elif doing_variant minbase; then
		base="apt"
	fi

	if doing_variant fakechroot; then
		# ldd.fake needs binutils
		required="$required binutils"
	fi

	case $MIRRORS in
	    https://*)
		base="$base apt-transport-https ca-certificates"
		;;
	esac
}

first_stage_install () {
	case "$CODENAME" in
		etch|etch-m68k|jessie|jessie-kfreebsd|lenny|squeeze|wheezy) ;;
		*)
			EXTRACT_DEB_TAR_OPTIONS="$EXTRACT_DEB_TAR_OPTIONS -k"
			setup_merged_usr
			;;
	esac

	extract $required

	mkdir -p "$TARGET/var/lib/dpkg"
	: >"$TARGET/var/lib/dpkg/status"
	: >"$TARGET/var/lib/dpkg/available"

	setup_etc
	if [ ! -e "$TARGET/etc/fstab" ]; then
		echo '# UNCONFIGURED FSTAB FOR BASE SYSTEM' > "$TARGET/etc/fstab"
		chown 0:0 "$TARGET/etc/fstab"; chmod 644 "$TARGET/etc/fstab"
	fi

	setup_devices
}

second_stage_install () {
	setup_dynamic_devices

	x_feign_install () {
		local pkg="$1"
		local deb="$(debfor $pkg)"
		local ver="$(in_target dpkg-deb -f "$deb" Version)"

		mkdir -p "$TARGET/var/lib/dpkg/info"

		echo \
"Package: $pkg
Version: $ver
Maintainer: unknown
Status: install ok installed" >> "$TARGET/var/lib/dpkg/status"

		touch "$TARGET/var/lib/dpkg/info/${pkg}.list"
	}

	x_feign_install dpkg

	x_core_install () {
		smallyes '' | in_target dpkg --force-depends --install $(debfor "$@")
	}

	p () {
		baseprog="$(($baseprog + ${1:-1}))"
	}

	if doing_variant fakechroot; then
		setup_proc_fakechroot
	else
		setup_proc
		in_target /sbin/ldconfig
	fi

	DEBIAN_FRONTEND=noninteractive
	DEBCONF_NONINTERACTIVE_SEEN=true
	export DEBIAN_FRONTEND DEBCONF_NONINTERACTIVE_SEEN

	baseprog=0
	bases=7

	p; progress $baseprog $bases INSTCORE "Installing core packages" #1
	info INSTCORE "Installing core packages..."

	p; progress $baseprog $bases INSTCORE "Installing core packages" #2
	ln -sf mawk "$TARGET/usr/bin/awk"
	x_core_install base-passwd
	x_core_install base-files
	p; progress $baseprog $bases INSTCORE "Installing core packages" #3
	x_core_install dpkg

	if [ ! -e "$TARGET/etc/localtime" ]; then
		ln -sf /usr/share/zoneinfo/UTC "$TARGET/etc/localtime"
	fi

	if doing_variant fakechroot; then
		install_fakechroot_tools
	fi

	p; progress $baseprog $bases INSTCORE "Installing core packages" #4
	x_core_install $LIBC

	p; progress $baseprog $bases INSTCORE "Installing core packages" #5
	x_core_install perl-base

	p; progress $baseprog $bases INSTCORE "Installing core packages" #6
	rm "$TARGET/usr/bin/awk"
	x_core_install mawk

	p; progress $baseprog $bases INSTCORE "Installing core packages" #7
	if doing_variant -; then
		x_core_install debconf
	fi

	baseprog=0
	bases=$(set -- $required; echo $#)

	info UNPACKREQ "Unpacking required packages..."

	exec 7>&1

	smallyes '' |
		(repeatn 5 in_target_failmsg UNPACK_REQ_FAIL_FIVE "Failure while unpacking required packages.  This will be attempted up to five times." "" \
		dpkg --status-fd 8 --force-depends --unpack $(debfor $required) 8>&1 1>&7 || echo EXITCODE $?) |
		dpkg_progress $baseprog $bases UNPACKREQ "Unpacking required packages" UNPACKING

	info CONFREQ "Configuring required packages..."

	echo \
"#!/bin/sh
exit 101" > "$TARGET/usr/sbin/policy-rc.d"
	chmod 755 "$TARGET/usr/sbin/policy-rc.d"

	mv "$TARGET/sbin/start-stop-daemon" "$TARGET/sbin/start-stop-daemon.REAL"
	echo \
"#!/bin/sh
echo
echo \"Warning: Fake start-stop-daemon called, doing nothing\"" > "$TARGET/sbin/start-stop-daemon"
	chmod 755 "$TARGET/sbin/start-stop-daemon"

	setup_dselect_method apt

	smallyes '' |
		(in_target_failmsg CONF_REQ_FAIL "Failure while configuring required packages." "" \
		dpkg --status-fd 8 --configure --pending --force-configure-any --force-depends 8>&1 1>&7 || echo EXITCODE $?) |
		dpkg_progress $baseprog $bases CONFREQ "Configuring required packages" CONFIGURING

	baseprog=0
	bases="$(set -- $base; echo $#)"

	info UNPACKBASE "Unpacking the base system..."

	setup_available $required $base
	done_predeps=
	while predep=$(get_next_predep); do
		# We have to resolve dependencies of pre-dependencies manually because
		# dpkg --predep-package doesn't handle this.
		predep=$(without "$(without "$(resolve_deps $predep)" "$required")" "$done_predeps")
		# XXX: progress is tricky due to how dpkg_progress works
		# -- cjwatson 2009-07-29
		p; smallyes '' |
		in_target dpkg --force-overwrite --force-confold --skip-same-version --install $(debfor $predep)
		base=$(without "$base" "$predep")
		done_predeps="$done_predeps $predep"
	done

	if [ -n "$base" ]; then
		smallyes '' |
			(repeatn 5 in_target_failmsg INST_BASE_FAIL_FIVE "Failure while installing base packages.  This will be re-attempted up to five times." "" \
			dpkg --status-fd 8 --force-overwrite --force-confold --skip-same-version --unpack $(debfor $base) 8>&1 1>&7 || echo EXITCODE $?) |
			dpkg_progress $baseprog $bases UNPACKBASE "Unpacking base system" UNPACKING

		info CONFBASE "Configuring the base system..."

		smallyes '' |
			(repeatn 5 in_target_failmsg CONF_BASE_FAIL_FIVE "Failure while configuring base packages.  This will be re-attempted up to five times." "" \
			dpkg --status-fd 8 --force-confold --skip-same-version --configure -a 8>&1 1>&7 || echo EXITCODE $?) |
			dpkg_progress $baseprog $bases CONFBASE "Configuring base system" CONFIGURING
	fi

	mv "$TARGET/sbin/start-stop-daemon.REAL" "$TARGET/sbin/start-stop-daemon"
	rm -f "$TARGET/usr/sbin/policy-rc.d"

	progress $bases $bases CONFBASE "Configuring base system"
	info BASESUCCESS "Base system installed successfully."
}