[openwrt/openwrt] base-files: support "metric" in board.json

[LEDE Commits]

rmilecki pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/8a11563b06553118abb870461e07f47368666feb

commit 8a11563b06553118abb870461e07f47368666feb
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Sat Sep 3 14:31:29 2022 +0200

    base-files: support "metric" in board.json
    
    It allows prepopulating /etc/config/network interface-s with predefined
    metric. It may be useful for devices with multiple WAN ports.
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
    (cherry picked from commit 7f443d2d9aa1170d6b68f0dc6d5b5552882ee327)
---
 package/base-files/files/bin/config_generate | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate
index 596fcf41fa..38362813d1 100755
--- a/package/base-files/files/bin/config_generate
+++ b/package/base-files/files/bin/config_generate
@@ -96,7 +96,7 @@ generate_network() {
 
 	json_select network
 		json_select "$1"
-			json_get_vars device macaddr protocol ipaddr netmask vlan
+			json_get_vars device macaddr metric protocol ipaddr netmask vlan
 			json_get_values ports ports
 		json_select ..
 	json_select ..
@@ -154,6 +154,7 @@ generate_network() {
 		set network.$1='interface'
 		set network.$1.type='$type'
 		set network.$1.device='$device'
+		set network.$1.metric='$metric'
 		set network.$1.proto='none'
 	EOF