openwrt/package/base-files/files/lib/functions/migrations.sh
Tomasz Maciej Nowak afef17e24d base-files: add leds migration
Currently leds migration scripts in ar71xx and lantiq share a lot of
logic and introducing leds migration to another target would mean
copying this code, again. Therefore add common logic to library in
base-files package.

Suggested-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
2019-04-06 19:14:05 +02:00

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#!/bin/sh
. /lib/functions.sh
migrate_led_sysfs() {
local cfg="$1"; shift
local tuples="$@"
local sysfs
local name
config_get sysfs ${cfg} sysfs
config_get name ${cfg} name
[ -z "${sysfs}" ] && return
for tuple in ${tuples}; do
local old=${tuple%=*}
local new=${tuple#*=}
local new_sysfs
new_sysfs=$(echo ${sysfs} | sed "s/${old}/${new}/")
[ "${new_sysfs}" = "${sysfs}" ] && continue
uci set system.${cfg}.sysfs="${new_sysfs}"
logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
done;
}
migrate_leds() {
config_load system
config_foreach migrate_led_sysfs led "$@"
}
migrations_apply() {
local realm="$1"
[ -n "$(uci changes ${realm})" ] && uci -q commit ${realm}
}