6 files changed, 173 insertions, 25 deletions
diff --git a/package/system/fstools/Makefile b/package/system/fstools/Makefile
new file mode 100644
index 0000000000..9a6aaeef1e
--- /dev/null
+++ b/package/system/fstools/Makefile
@@ -0,0 +1,60 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fstools
+PKG_VERSION:=2014-02-27
+
+PKG_RELEASE=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=git://nbd.name/fstools.git
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=d292ffc85f48dd9c8774a0860f50397dd2966e7a
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+CMAKE_INSTALL:=1
+
+PKG_LICENSE:=GPLv2
+PKG_LICENSE_FILES:=
+
+PKG_MAINTAINER:=John Crispin <blogic@openwrt.org>
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+TARGET_LDFLAGS += $(if $(CONFIG_USE_EGLIBC),-lrt)
+
+define Package/fstools
+  SECTION:=base
+  CATEGORY:=Base system
+  DEPENDS:=+ubox +USE_EGLIBC:librt
+  TITLE:=OpenWrt filesystem tools
+endef
+
+define Package/block-mount
+  SECTION:=base
+  CATEGORY:=Base system
+  TITLE:=Block device mounting and checking
+  DEPENDS:=+ubox +libubox +libuci
+endef
+
+define Package/fstools/install
+	$(INSTALL_DIR) $(1)/sbin
+
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/fs-state $(1)/sbin/
+	$(INSTALL_BIN) ./files/snapshot $(1)/sbin/
+endef
+
+define Package/block-mount/install
+	$(INSTALL_DIR) $(1)/sbin $(1)/usr/sbin $(1)/etc/hotplug.d/block $(1)/etc/init.d/ $(1)/etc/uci-defaults/
+
+	$(INSTALL_BIN) ./files/fstab.init $(1)/etc/init.d/fstab
+	$(INSTALL_DATA) ./files/fstab.default $(1)/etc/uci-defaults/10-fstab
+	$(INSTALL_DATA) ./files/mount.hotplug $(1)/etc/hotplug.d/block/10-mount
+
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/block $(1)/sbin/
+	ln -s /sbin/block $(1)/usr/sbin/swapon
+	ln -s /sbin/block $(1)/usr/sbin/swapoff
+
+endef
+
+$(eval $(call BuildPackage,fstools))
+$(eval $(call BuildPackage,block-mount))
diff --git a/package/system/ubox/files/fstab.default b/package/system/fstools/files/fstab.default
index dd4ba1c485..dd4ba1c485 100644
--- a/package/system/ubox/files/fstab.default
+++ b/package/system/fstools/files/fstab.default
diff --git a/package/system/ubox/files/fstab.init b/package/system/fstools/files/fstab.init
index be49470ef1..be49470ef1 100644
--- a/package/system/ubox/files/fstab.init
+++ b/package/system/fstools/files/fstab.init
diff --git a/package/system/ubox/files/mount.hotplug b/package/system/fstools/files/mount.hotplug
index 946924e351..946924e351 100644
--- a/package/system/ubox/files/mount.hotplug
+++ b/package/system/fstools/files/mount.hotplug
diff --git a/package/system/fstools/files/snapshot b/package/system/fstools/files/snapshot
new file mode 100644
index 0000000000..85a0076d8e
--- /dev/null
+++ b/package/system/fstools/files/snapshot
@@ -0,0 +1,111 @@
+#!/bin/sh
+# Copyright (C) 2014 OpenWrt.org
+
+
+do_snapshot_unpack() {
+	echo "- snapshot -"
+	mkdir /tmp/snapshot
+	cd /tmp/snapshot
+	fs-state snapshot read
+	block=`ls block*.tar.gz 2> /dev/null`
+	[ -z "$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
+}
diff --git a/package/system/ubox/Makefile b/package/system/ubox/Makefile
index b3a4ba9eea..5bd7246858 100644
--- a/package/system/ubox/Makefile
+++ b/package/system/ubox/Makefile
@@ -28,22 +28,13 @@ define Package/ubox
   TITLE:=OpenWrt system helper toolbox
 endef
 
-define Package/block-mount
-  SECTION:=base
-  CATEGORY:=Base system
-  TITLE:=Block device mounting and checking
-  DEPENDS:=+ubox +libubox +libuci
-endef
-
 define Package/ubox/install
 	$(INSTALL_DIR) $(1)/sbin $(1)/usr/sbin $(1)/lib/ $(1)/etc/init.d/
 
-	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/{mount_root,kmodloader,logd,logread,validate_data} $(1)/sbin/
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/{kmodloader,logd,logread,validate_data} $(1)/sbin/
 	$(INSTALL_BIN) ./files/log.init $(1)/etc/init.d/log
 	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/lib/libvalidate.so $(1)/lib
-	ln -s /sbin/mount_root $(1)/sbin/switch2jffs
-	ln -s /sbin/mount_root $(1)/sbin/jffs2reset
-	ln -s /sbin/mount_root $(1)/sbin/jffs2mark
+
 	ln -s /sbin/kmodloader $(1)/usr/sbin/rmmod
 	ln -s /sbin/kmodloader $(1)/usr/sbin/insmod
 	ln -s /sbin/kmodloader $(1)/usr/sbin/lsmod
@@ -51,18 +42,4 @@ define Package/ubox/install
 	ln -s /sbin/kmodloader $(1)/usr/sbin/modprobe
 endef
 
-define Package/block-mount/install
-	$(INSTALL_DIR) $(1)/sbin $(1)/usr/sbin $(1)/etc/hotplug.d/block $(1)/etc/init.d/ $(1)/etc/uci-defaults/
-
-	$(INSTALL_BIN) ./files/fstab.init $(1)/etc/init.d/fstab
-	$(INSTALL_DATA) ./files/fstab.default $(1)/etc/uci-defaults/10-fstab
-	$(INSTALL_DATA) ./files/mount.hotplug $(1)/etc/hotplug.d/block/10-mount
-
-	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/block $(1)/sbin/
-	ln -s /sbin/block $(1)/usr/sbin/swapon
-	ln -s /sbin/block $(1)/usr/sbin/swapoff
-
-endef
-
 $(eval $(call BuildPackage,ubox))
-$(eval $(call BuildPackage,block-mount))