fstools: add the new fstools package

[openwrt/svn-archive/archive.git] / package / system / fstools / files / snapshot

diff --git a/package/system/fstools/files/snapshot b/package/system/fstools/files/snapshot
new file mode 100644 (file)
index 0000000..85a0076
--- /dev/null
+++ b/package/system/fstools/files/snapshot
@@ -0,0 +1,111 @@
+#!/bin/sh
+# Copyright (C) 2014 OpenWrt.org
+
+
+do_snapshot_unpack() {
+       echo "- snapshot -"
+       mkdir /tmp/snapshot
+       cd /tmp/snapshot
+       fs-state snapshot read
+       block=`ls block*.tar.gz 2> /dev/null`
+       [ -z "$block" ] || for a in $block; do
+               tar xzf $a -C /
+               rm -f $a
+       done
+}
+
+do_config_unpack() {
+       echo "- config -"
+       fs-state snapshot config_read
+       [ -f /tmp/config.tar.gz ] && {
+               tar xzf /tmp/config.tar.gz -C /
+               rm -f /tmp/config.tar.gz
+       }
+}
+
+do_snapshot_push() {
+       cd /volatile
+       tar czf /tmp/snapshot.tar.gz *
+       fs-state snapshot write
+       reboot
+}
+
+do_config_push() {
+       cd /volatile
+       tar czf /tmp/config.tar.gz *
+       fs-state snapshot config_write
+}
+
+do_snapshot_upgrade() {
+       opkg update
+       [ $? == 0 ] || exit 1
+
+       opkg list-upgradable
+       [ $? == 0 ] || exit 2
+       
+       UPDATES=`opkg list-upgradable | cut -d" " -f1`
+       [ -z "${UPDATES}" ] && exit 0
+
+       opkg upgrade ${UPDATES}
+       [ $? == 0 ] || exit 3
+
+       do_snapshot_push
+       sleep 5
+       reboot
+       sleep 10
+}
+
+do_convert_jffs2() {
+       fs-state snapshot write
+       sleep 2
+       reboot -f
+}
+
+do_convert() {
+       . /lib/functions.sh
+       . /lib/upgrade/common.sh
+       ubus call system upgrade
+       touch /tmp/sysupgrade
+       cd /overlay
+       tar czf /tmp/snapshot.tar.gz *
+       kill_remaining TERM
+       sleep 3
+       kill_remaining KILL
+       run_ramfs '. /sbin/snapshot; do_convert_jffs2'
+}
+
+[ -n "$(cat /proc/mounts|grep /overlay|grep jffs2)" ] && {
+case $1 in
+convert)
+       do_convert
+       ;;
+esac
+}
+
+[ -d /volatile ] && {
+case $1 in
+push)
+       do_snapshot_push
+       ;;
+config)
+       do_config_push
+       ;;
+upgrade)
+       do_snapshot_upgrade
+       ;;
+info)
+       fs-state info
+       ;;
+esac
+}
+
+[ "$SNAPSHOT" = "magic" ] && {
+case $1 in
+unpack)
+       do_snapshot_unpack
+       ;;
+config_unpack)
+       do_config_unpack
+       ;;
+esac
+}