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9b4eab023c
Without the model-based devicename for LEDs, there are still cases
where a third component is required, typically when it refers to
internal "devices" like phys etc. An example are the following two
found on ramips:
- rt2800soc-phy0::radio
- rt2800pci-phy0::radio
So far, the rt2800*-phy: prefixes would be removed by the devicename
removal ("migration") script, and the configuration for these LEDs
would be broken.
To address this, this patch allows to add arguments to a call of
remove_devicename_leds, which will be compared against the first
part of the LED names/labels, and then be ignored by the routine,
and thus not removed:
remove_devicename_leds "rt2800soc-phy0" "rt2800pci-phy0"
This mechanism is supposed to be used when a "devicename" applies
to several devices. If only a single device is affected, it might
be more effective to use a case statement and exclude the device
from migration by that entirely.
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
70 lines
1.4 KiB
Bash
70 lines
1.4 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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migrate_led_sysfs() {
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local cfg="$1"; shift
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local tuples="$@"
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local sysfs
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local name
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config_get sysfs ${cfg} sysfs
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config_get name ${cfg} name
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[ -z "${sysfs}" ] && return
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for tuple in ${tuples}; do
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local old=${tuple%=*}
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local new=${tuple#*=}
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local new_sysfs
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new_sysfs=$(echo ${sysfs} | sed "s/${old}/${new}/")
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[ "${new_sysfs}" = "${sysfs}" ] && continue
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uci set system.${cfg}.sysfs="${new_sysfs}"
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logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
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done;
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}
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remove_devicename_led_sysfs() {
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local cfg="$1"; shift
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local exceptions="$@"
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local sysfs
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local name
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local new_sysfs
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config_get sysfs ${cfg} sysfs
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config_get name ${cfg} name
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# only continue if two or more colons are present
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echo "${sysfs}" | grep -q ":.*:" || return
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for exception in ${exceptions}; do
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# no change if exceptions provided as argument are found for devicename
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echo "${sysfs}" | grep -q "^${exception}:" && return
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done
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new_sysfs=$(echo ${sysfs} | sed "s/^[^:]*://")
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uci set system.${cfg}.sysfs="${new_sysfs}"
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logger -t led-migration "sysfs option of LED \"${name}\" updated to ${new_sysfs}"
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}
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migrate_leds() {
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config_load system
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config_foreach migrate_led_sysfs led "$@"
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}
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remove_devicename_leds() {
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config_load system
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config_foreach remove_devicename_led_sysfs led "$@"
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}
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migrations_apply() {
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local realm="$1"
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[ -n "$(uci changes ${realm})" ] && uci -q commit ${realm}
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}
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