3d76bb3a0ecaabca2710e89bfbaafd7c94f48921
[openwrt/svn-archive/archive.git] / package / base-files / files / sbin / sysupgrade
1 #!/bin/sh
2 . /etc/functions.sh
3
4 # initialize defaults
5 RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
6 RAMFS_COPY_DATA="" # extra data files
7 export INTERACTIVE=0
8 export VERBOSE=1
9 export SAVE_CONFIG=1
10 export SAVE_OVERLAY=0
11 export DELAY=
12 export CONF_IMAGE=
13
14 # parse options
15 while [ -n "$1" ]; do
16 case "$1" in
17 -i) export INTERACTIVE=1;;
18 -d) export DELAY="$2"; shift;;
19 -v) export VERBOSE="$(($VERBOSE + 1))";;
20 -q) export VERBOSE="$(($VERBOSE - 1))";;
21 -n) export SAVE_CONFIG=0;;
22 -c) export SAVE_OVERLAY=1;;
23 -f) export CONF_IMAGE="$2"; shift;;
24 -*)
25 echo "Invalid option: $1"
26 exit 1
27 ;;
28 *) break;;
29 esac
30 shift;
31 done
32
33 export CONFFILES=/tmp/sysupgrade.conffiles
34 export CONF_TAR=/tmp/sysupgrade.tgz
35
36 export ARGV="$*"
37 export ARGC="$#"
38
39 [ -z "$ARGV" ] && {
40 cat <<EOF
41 Usage: $0 [options] <image file or URL>
42
43 Options:
44 -d <delay> add a delay before rebooting
45 -f <config> restore configuration from .tar.gz (file or url)
46 -i interactive mode
47 -c attempt to preserve all changed files in /etc/
48 -n do not save configuration over reflash
49 -q less verbose
50 -v more verbose
51
52 EOF
53 exit 1
54 }
55
56 add_uci_conffiles() {
57 local file="$1"
58 ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
59 /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
60 -type f 2>/dev/null;
61 opkg list-changed-conffiles ) | sort -u > "$file"
62 return 0
63 }
64
65 add_overlayfiles() {
66 local file="$1"
67 find /overlay/etc/ -type f | sed \
68 -e 's,^/overlay/,/,' \
69 -e '\,/META_[a-zA-Z0-9]*$,d' \
70 -e '\,/functions.sh$,d' \
71 -e '\,/[^/]*-opkg$,d' \
72 > "$file"
73 return 0
74 }
75
76 # hooks
77 sysupgrade_image_check="platform_check_image"
78 [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
79 sysupgrade_init_conffiles="add_uci_conffiles" || \
80 sysupgrade_init_conffiles="add_overlayfiles"
81
82 include /lib/upgrade
83
84 do_save_conffiles() {
85 [ -z "$(rootfs_type)" ] && {
86 echo "Cannot save config while running from ramdisk."
87 ask_bool 0 "Abort" && exit
88 return 0
89 }
90 run_hooks "$CONFFILES" $sysupgrade_init_conffiles
91 ask_bool 0 "Edit config file list" && vi "$CONFFILES"
92
93 v "Saving config files..."
94 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
95 tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
96 }
97
98 type platform_check_image >/dev/null 2>/dev/null || {
99 echo "Firmware upgrade is not implemented for this platform."
100 exit 1
101 }
102
103 for check in $sysupgrade_image_check; do
104 ( eval "$check \"\$ARGV\"" ) || {
105 echo "Image check '$check' failed."
106 exit 1
107 }
108 done
109
110 if [ -n "$CONF_IMAGE" ]; then
111 case "$(get_magic_word $CONF_IMAGE cat)" in
112 # .gz files
113 1f8b) ;;
114 *)
115 echo "Invalid config file. Please use only .tar.gz files"
116 exit 1
117 ;;
118 esac
119 get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
120 export SAVE_CONFIG=1
121 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
122 do_save_conffiles
123 export SAVE_CONFIG=1
124 else
125 export SAVE_CONFIG=0
126 fi
127 run_hooks "" $sysupgrade_pre_upgrade
128
129 if [ -n "$(rootfs_type)" ]; then
130 v "Switching to ramdisk..."
131 run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
132 else
133 do_upgrade
134 fi