From 32322960234c8ec91e0d42835a3ec5ee63305070 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 2 Feb 2019 11:00:00 +0100
Subject: Adding upstream version 20190202.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 system-boot/components/9990-main.sh | 195 ++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100755 system-boot/components/9990-main.sh

(limited to 'system-boot/components/9990-main.sh')

diff --git a/system-boot/components/9990-main.sh b/system-boot/components/9990-main.sh
new file mode 100755
index 0000000..ed48be3
--- /dev/null
+++ b/system-boot/components/9990-main.sh
@@ -0,0 +1,195 @@
+#!/bin/sh
+
+# set -e
+
+Live ()
+{
+	if [ -x /scripts/local-top/cryptroot ]
+	then
+		/scripts/local-top/cryptroot
+	fi
+
+	exec 6>&1
+	exec 7>&2
+	exec > boot.log
+	exec 2>&1
+	tail -f boot.log >&7 &
+	tailpid="${!}"
+
+	LIVE_BOOT_CMDLINE="${LIVE_BOOT_CMDLINE:-$(cat /proc/cmdline)}"
+	Cmdline_old
+
+	Debug
+
+	Read_only
+
+	Select_eth_device
+
+	if [ -e /conf/param.conf ]
+	then
+		. /conf/param.conf
+	fi
+
+	# Needed here too because some things (*cough* udev *cough*)
+	# changes the timeout
+
+	if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
+	then
+		if do_netmount
+		then
+			livefs_root="${mountpoint}"
+		else
+			panic "Unable to find a live file system on the network"
+		fi
+	else
+		if [ -n "${ISCSI_PORTAL}" ]
+		then
+			do_iscsi && livefs_root="${mountpoint}"
+		elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+		then
+			# Do a local boot from hd
+			livefs_root=${ROOT}
+		else
+			if [ -x /usr/bin/memdiskfind ]
+			then
+				MEMDISK=$(/usr/bin/memdiskfind)
+
+				if [ $? -eq 0 ]
+				then
+					# We found a memdisk, set up phram
+					modprobe phram phram=memdisk,${MEMDISK}
+					modprobe phram phram=memdisk,${MEMDISK}
+
+					# Load mtdblock, the memdisk will be /dev/mtdblock0
+					modprobe mtdblock
+				fi
+			fi
+
+			# Scan local devices for the image
+			i=0
+			while [ "$i" -lt 60 ]
+			do
+				livefs_root=$(find_livefs ${i})
+
+				if [ -n "${livefs_root}" ]
+				then
+					break
+				fi
+
+				sleep 1
+				i="$(($i + 1))"
+			done
+		fi
+	fi
+
+	if [ -z "${livefs_root}" ]
+	then
+		panic "Unable to find a medium containing a live file system"
+	fi
+
+	Verify_checksums "${livefs_root}"
+
+	if [ "${TORAM}" ]
+	then
+		live_dest="ram"
+	elif [ "${TODISK}" ]
+	then
+		live_dest="${TODISK}"
+	fi
+
+	if [ "${live_dest}" ]
+	then
+		log_begin_msg "Copying live media to ${live_dest}"
+		copy_live_to "${livefs_root}" "${live_dest}"
+		log_end_msg
+	fi
+
+	# if we do not unmount the ISO we can't run "fsck /dev/ice" later on
+	# because the mountpoint is left behind in /proc/mounts, so let's get
+	# rid of it when running from RAM
+	if [ -n "$FROMISO" ] && [ "${TORAM}" ]
+	then
+		losetup -d /dev/loop0
+
+		if is_mountpoint /run/live/fromiso
+		then
+			umount /run/live/fromiso
+			rmdir --ignore-fail-on-non-empty /run/live/fromiso \
+				>/dev/null 2>&1 || true
+		fi
+	fi
+
+	if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
+	then
+		setup_unionfs "${livefs_root}" "${rootmnt}"
+	else
+		mac="$(get_mac)"
+		mac="$(echo ${mac} | sed 's/-//g')"
+		mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
+	fi
+
+	if [ -n "${ROOT_PID}" ]
+	then
+		echo "${ROOT_PID}" > "${rootmnt}"/lib/live/root.pid
+	fi
+
+	log_end_msg
+
+	# aufs2 in kernel versions around 2.6.33 has a regression:
+	# directories can't be accessed when read for the first the time,
+	# causing a failure for example when accessing /var/lib/fai
+	# when booting FAI, this simple workaround solves it
+	ls /root/* >/dev/null 2>&1
+
+	# if we do not unmount the ISO we can't run "fsck /dev/ice" later on
+	# because the mountpoint is left behind in /proc/mounts, so let's get
+	# rid of it when running from RAM
+	if [ -n "$FINDISO" ] && [ "${TORAM}" ]
+	then
+		losetup -d /dev/loop0
+
+		if is_mountpoint /run/live/findiso
+		then
+			umount /run/live/findiso
+			rmdir --ignore-fail-on-non-empty /run/live/findiso \
+				>/dev/null 2>&1 || true
+		fi
+	fi
+
+	if [ -L /root/etc/resolv.conf ] ; then
+		# assume we have resolvconf
+		DNSFILE="${rootmnt}/etc/resolvconf/resolv.conf.d/base"
+	else
+		DNSFILE="${rootmnt}/etc/resolv.conf"
+	fi
+	if [ -f /etc/resolv.conf ] && ! grep -E -q -v '^[[:space:]]*#|^[[:space:]]*$' ${DNSFILE}
+	then
+		log_begin_msg "Copying /etc/resolv.conf to ${DNSFILE}"
+		cp -v /etc/resolv.conf ${DNSFILE}
+		log_end_msg
+	fi
+
+	if ! [ -d "/lib/live/boot" ]
+	then
+		panic "A wrong rootfs was mounted."
+	fi
+
+	# avoid breaking existing user scripts that rely on the old path
+	# this includes code that checks what is mounted on /lib/live/mount/*
+	# (eg: grep /lib/live /proc/mount)
+	# XXX: to be removed before the bullseye release
+	mkdir -p ${rootmnt}/lib/live/mount
+	mount --rbind /run/live ${rootmnt}/lib/live/mount
+
+	Fstab
+	Netbase
+
+	Swap
+
+	exec 1>&6 6>&-
+	exec 2>&7 7>&-
+	kill ${tailpid}
+	[ -w "${rootmnt}/var/log/" ] && mkdir -p "${rootmnt}/var/log/live" && ( \
+				cp boot.log "${rootmnt}/var/log/live" 2>/dev/null; \
+				cp fsck.log "${rootmnt}/var/log/live" 2>/dev/null )
+}
-- 
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