branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 187 insertions, 0 deletions

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
new file mode 100755
index 000000000..802848ade
--- /dev/null
+++ b/package/base-files/files/sbin/sysupgrade
@@ -0,0 +1,187 @@
+#!/bin/sh
+. /lib/functions.sh
+
+# initialize defaults
+RAMFS_COPY_BIN=""	# extra programs for temporary ramfs root
+RAMFS_COPY_DATA=""	# extra data files
+export INTERACTIVE=0
+export VERBOSE=1
+export SAVE_CONFIG=1
+export SAVE_OVERLAY=0
+export DELAY=
+export CONF_IMAGE=
+export CONF_BACKUP=
+export CONF_RESTORE=
+export HELP=0
+export FORCE=0
+
+# parse options
+while [ -n "$1" ]; do 
+	case "$1" in
+		-i) export INTERACTIVE=1;;
+		-d) export DELAY="$2"; shift;;
+		-v) export VERBOSE="$(($VERBOSE + 1))";;
+		-q) export VERBOSE="$(($VERBOSE - 1))";;
+		-n) export SAVE_CONFIG=0;;
+		-c) export SAVE_OVERLAY=1;;
+		-b|--create-backup) export CONF_BACKUP="$2"; shift;;
+		-r|--restore-backup) export CONF_RESTORE="$2"; shift;;
+		-f) export CONF_IMAGE="$2"; shift;;
+		-F|--force) export FORCE=1;;
+		-h|--help) export HELP=1; break;;
+		-*)
+			echo "Invalid option: $1"
+			exit 1
+		;;
+		*) break;;
+	esac
+	shift;
+done
+
+export CONFFILES=/tmp/sysupgrade.conffiles
+export CONF_TAR=/tmp/sysupgrade.tgz
+
+export ARGV="$*"
+export ARGC="$#"
+
+[ -z "$ARGV" -a -z "$CONF_BACKUP" -o $HELP -gt 0 ] && {
+	cat <<EOF
+Usage: $0 [options] <image file or URL>
+
+Options:
+	-d <delay>   add a delay before rebooting
+	-f <config>  restore configuration from .tar.gz (file or url)
+	-i           interactive mode
+	-c           attempt to preserve all changed files in /etc/
+	-b / --create-backup <file>
+	             create .tar.gz of files specified in sysupgrade.conf
+	             then exit. Does not flash an image. If file is '-',
+	             i.e. stdout, verbosity is set to 0 (i.e. quiet).
+	-r / --restore-backup <file>
+	             restore a .tar.gz created with sysupgrade -b
+	             then exit. Does not flash an image. If file is '-',
+	             the archive is read from stdin.
+	-n           do not save configuration over reflash
+	-F / --force
+	             Flash image even if image checks fail, this is dangerous!
+	-q           less verbose
+	-v           more verbose
+	-h / --help  display this help
+
+EOF
+	exit 1
+}
+
+[ -n "$ARGV" -a -n "$CONF_BACKUP" ] && {
+	cat <<-EOF
+		-b/--create-backup does not perform a firmware upgrade. Do not
+		specify both -b and a firmware image.
+	EOF
+	exit 1
+}
+
+# prevent messages from clobbering the tarball when using stdout
+[ "$CONF_BACKUP" = "-" ] && export VERBOSE=0
+
+add_uci_conffiles() {
+	local file="$1"
+	( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
+		/etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
+		-type f 2>/dev/null;
+	  opkg list-changed-conffiles ) | sort -u > "$file"
+	return 0
+}
+
+add_overlayfiles() {
+	local file="$1"
+	find /overlay/etc/ -type f | sed \
+		-e 's,^/overlay/,/,' \
+		-e '\,/META_[a-zA-Z0-9]*$,d' \
+		-e '\,/functions.sh$,d' \
+		-e '\,/[^/]*-opkg$,d' \
+	> "$file"
+	return 0
+}
+
+# hooks
+sysupgrade_image_check="platform_check_image"
+[ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
+	sysupgrade_init_conffiles="add_uci_conffiles" || \
+	sysupgrade_init_conffiles="add_overlayfiles"
+
+include /lib/upgrade
+
+do_save_conffiles() {
+	local conf_tar="${1:-$CONF_TAR}"
+
+	[ -z "$(rootfs_type)" ] && {
+		echo "Cannot save config while running from ramdisk."
+		ask_bool 0 "Abort" && exit
+		return 0
+	}
+	run_hooks "$CONFFILES" $sysupgrade_init_conffiles
+	ask_bool 0 "Edit config file list" && vi "$CONFFILES"
+
+	v "Saving config files..."
+	[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+	tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
+}
+
+if [ -n "$CONF_BACKUP" ]; then
+	do_save_conffiles "$CONF_BACKUP"
+	exit $?
+fi
+
+if [ -f "$CONF_RESTORE" ] || [ "$CONF_RESTORE" = "-" ]; then
+	[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
+	tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+	exit $?
+fi
+
+type platform_check_image >/dev/null 2>/dev/null || {
+	echo "Firmware upgrade is not implemented for this platform."
+	exit 1
+}
+
+for check in $sysupgrade_image_check; do
+	( eval "$check \"\$ARGV\"" ) || {
+		if [ $FORCE -eq 1 ]; then
+			echo "Image check '$check' failed but --force given - will update anyway!"
+			break
+		else
+			echo "Image check '$check' failed."
+			exit 1
+		fi
+	}
+done
+
+if [ -n "$CONF_IMAGE" ]; then
+	case "$(get_magic_word $CONF_IMAGE cat)" in
+		# .gz files
+		1f8b) ;;
+		*)
+			echo "Invalid config file. Please use only .tar.gz files"
+			exit 1
+		;;
+	esac
+	get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
+	export SAVE_CONFIG=1
+elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
+	do_save_conffiles
+	export SAVE_CONFIG=1
+else
+	export SAVE_CONFIG=0
+fi
+
+run_hooks "" $sysupgrade_pre_upgrade
+
+kill_remaining TERM
+sleep 3
+kill_remaining KILL
+
+if [ -n "$(rootfs_type)" ]; then
+	v "Switching to ramdisk..."
+	run_ramfs '. /lib/functions.sh; include /lib/upgrade; do_upgrade'
+else
+	do_upgrade
+fi