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#!/bin/bash

function do_install()
{
	send install_step check_partitions_for_install
	check_partitions_for_install
	prepare_target
	prepare_partitions_for_install
	copy_system_to_target
	update_fstab_on_target
	update_passwd_on_target
	copy_home_to_target
	copy_etc_to_target
	configure_target_update_files
	configure_target_purge_live_only_stuff
	configure_target_services
	install_bootmanager_to_target
	send install_step cleanup
	cleanup
}

function prepare_target()
{
	send install_step prepare_target
	mkdir -p /live/hdinstall
	export TARGET=/live/hdinstall

    # add EFI bootloader target to hdmap
    if [ -d /sys/firmware/efi ]; then
        efi_part="$(get_disk "$cfg_bootloader_target")"
        if [ "$efi_part" ]; then
            hdmap_set "$efi_part:/boot/efi::auto"
        fi
    fi
}

# Synopsis: chroot_it <...>
#
# execute the supplied command in the target
function chroot_it()
{
        [ -n "$TARGET" -a $UID -eq 0 ] && chroot $TARGET "$@"
}

# Synopsis: copy_system_to_target
#
# This function copies the system to the target.
# Therefore $TARGET and all partitions of hd_map have to be mounted
# this should have be done in the prepare-stage (see prepare_partitions_for_install)
#
function copy_system_to_target()
{
	send install_step copy_system_to_target
	emit_progress 0
	orig_size="$ESTIMATED_ROOT_MIN"
	dest_size_before=$(di -dm -fSMu | gawk '/\/live\/hdinstall/{used+=int($3)} END{print int(used)}')
	dest_size_diff=0
	
	cd /live/filesystem
	cp -a * $TARGET &
	
	cp=$!
	old_percent=0
	while ps --pid $cp &>/dev/null
	do
		dest_size=$(di -dm -fSMu | gawk '/\/live\/hdinstall/{used+=int($3)} END{print int(used)}')
		dest_size_diff=$(( $dest_size - $dest_size_before ))
		percent=$((( 100 * $dest_size_diff ) / $orig_size ))
		if [ "$percent" != "$old_percent" ]; then
			emit_progress $percent
			old_percent="$percent"
		fi
		sleep 5
	done
	
	sync
	mkdir -p "$TARGET/proc" "$TARGET/dev" "$TARGET/sys"
	mount --bind /proc "$TARGET/proc"
	mount --bind /dev "$TARGET/dev"
	mount --bind /sys "$TARGET/sys"
}