[package] base-files: add -h and --help options to sysupgrade (#9728)
[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 export HELP=0
14
15 # parse options
16 while [ -n "$1" ]; do
17 case "$1" in
18 -i) export INTERACTIVE=1;;
19 -d) export DELAY="$2"; shift;;
20 -v) export VERBOSE="$(($VERBOSE + 1))";;
21 -q) export VERBOSE="$(($VERBOSE - 1))";;
22 -n) export SAVE_CONFIG=0;;
23 -c) export SAVE_OVERLAY=1;;
24 -f) export CONF_IMAGE="$2"; shift;;
25 -h|--help) export HELP=1; break;;
26 -*)
27 echo "Invalid option: $1"
28 exit 1
29 ;;
30 *) break;;
31 esac
32 shift;
33 done
34
35 export CONFFILES=/tmp/sysupgrade.conffiles
36 export CONF_TAR=/tmp/sysupgrade.tgz
37
38 export ARGV="$*"
39 export ARGC="$#"
40
41 [ -z "$ARGV" -o $HELP -gt 0 ] && {
42 cat <<EOF
43 Usage: $0 [options] <image file or URL>
44
45 Options:
46 -d <delay> add a delay before rebooting
47 -f <config> restore configuration from .tar.gz (file or url)
48 -i interactive mode
49 -c attempt to preserve all changed files in /etc/
50 -n do not save configuration over reflash
51 -q less verbose
52 -v more verbose
53 -h / --help display this help
54
55 EOF
56 exit 1
57 }
58
59 add_uci_conffiles() {
60 local file="$1"
61 ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
62 /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
63 -type f 2>/dev/null;
64 opkg list-changed-conffiles ) | sort -u > "$file"
65 return 0
66 }
67
68 add_overlayfiles() {
69 local file="$1"
70 find /overlay/etc/ -type f | sed \
71 -e 's,^/overlay/,/,' \
72 -e '\,/META_[a-zA-Z0-9]*$,d' \
73 -e '\,/functions.sh$,d' \
74 -e '\,/[^/]*-opkg$,d' \
75 > "$file"
76 return 0
77 }
78
79 # hooks
80 sysupgrade_image_check="platform_check_image"
81 [ $SAVE_OVERLAY = 0 -o ! -d /overlay/etc ] && \
82 sysupgrade_init_conffiles="add_uci_conffiles" || \
83 sysupgrade_init_conffiles="add_overlayfiles"
84
85 include /lib/upgrade
86
87 do_save_conffiles() {
88 [ -z "$(rootfs_type)" ] && {
89 echo "Cannot save config while running from ramdisk."
90 ask_bool 0 "Abort" && exit
91 return 0
92 }
93 run_hooks "$CONFFILES" $sysupgrade_init_conffiles
94 ask_bool 0 "Edit config file list" && vi "$CONFFILES"
95
96 v "Saving config files..."
97 [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
98 tar c${TAR_V}zf "$CONF_TAR" -T "$CONFFILES" 2>/dev/null
99 }
100
101 type platform_check_image >/dev/null 2>/dev/null || {
102 echo "Firmware upgrade is not implemented for this platform."
103 exit 1
104 }
105
106 for check in $sysupgrade_image_check; do
107 ( eval "$check \"\$ARGV\"" ) || {
108 echo "Image check '$check' failed."
109 exit 1
110 }
111 done
112
113 if [ -n "$CONF_IMAGE" ]; then
114 case "$(get_magic_word $CONF_IMAGE cat)" in
115 # .gz files
116 1f8b) ;;
117 *)
118 echo "Invalid config file. Please use only .tar.gz files"
119 exit 1
120 ;;
121 esac
122 get_image "$CONF_IMAGE" "cat" > "$CONF_TAR"
123 export SAVE_CONFIG=1
124 elif ask_bool $SAVE_CONFIG "Keep config files over reflash"; then
125 do_save_conffiles
126 export SAVE_CONFIG=1
127 else
128 export SAVE_CONFIG=0
129 fi
130 run_hooks "" $sysupgrade_pre_upgrade
131
132 if [ -n "$(rootfs_type)" ]; then
133 v "Switching to ramdisk..."
134 run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
135 else
136 do_upgrade
137 fi