Root/package/base-files/files/sbin/sysupgrade

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

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