target/linux/*/base-files/lib/upgrade/platform.sh - wrong check for ARGC
[openwrt.git] / target / linux / x86_64 / base-files / lib / upgrade / platform.sh
1 x86_get_rootfs() {
2         local rootfsdev
3         local rootfstype
4         
5         rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
6         case "$rootfstype" in
7                 squashfs|jffs2)
8                         rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
9                 ext4)
10                         rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
11         esac
12                 
13         echo "$rootfstype:$rootfsdev"
14 }
15
16 platform_check_image() {
17         [ "$#" -gt 1 ] && return 1
18
19         case "$(get_magic_word "$1")" in
20                 eb48|eb63) return 0;;
21                 *)
22                         echo "Invalid image type"
23                         return 1
24                 ;;
25         esac
26 }
27
28 platform_copy_config() {
29         local rootfs="$(x86_get_rootfs)"
30         local rootfsdev="${rootfs##*:}"
31         
32         mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
33         cp -af "$CONF_TAR" /mnt/
34         umount /mnt
35 }
36
37 platform_do_upgrade() {
38         local rootfs="$(x86_get_rootfs)"
39         local rootfsdev="${rootfs##*:}"
40
41         sync
42         [ -b ${rootfsdev%[0-9]} ] && get_image "$@" | dd of=${rootfsdev%[0-9]} bs=4096 conv=fsync
43         sleep 1
44 }