[openwrt/openwrt] scripts/feeds: shallow clone submodules

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/9ec32cfb2733856a2ab4caee07d9b3297568381d

commit 9ec32cfb2733856a2ab4caee07d9b3297568381d
Author: Cedric CHEDALEUX <cedric.chedaleux at orange.com>
AuthorDate: Mon Feb 17 10:44:36 2025 +0100

    scripts/feeds: shallow clone submodules
    
    When a feed has submodules, all its submodules are fully cloned whereas
    the feed itself is shallowed. Let's be consistent and perform shallow clones
    as well for the submodules.
    
    Signed-off-by: Cedric CHEDALEUX <cedric.chedaleux at orange.com>
    Link: https://github.com/openwrt/openwrt/pull/18003
    Signed-off-by: Robert Marko <robimarko at gmail.com>
---
 scripts/feeds | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/feeds b/scripts/feeds
index 0ff6765814..959995c7af 100755
--- a/scripts/feeds
+++ b/scripts/feeds
@@ -162,7 +162,7 @@ my %update_method = (
 		'update_rebase'	=> "git pull --rebase=merges",
 		'update_stash'	=> "git pull --rebase=merges --autostash",
 		'update_force'	=> "git pull --ff-only || (git reset --hard HEAD; git pull --ff-only; exit 1)",
-		'post_update'	=> "git submodule update --init --recursive",
+		'post_update'	=> "git submodule update --init --recursive --depth 1",
 		'controldir'	=> ".git",
 		'revision'	=> "git rev-parse HEAD | tr -d '\n'"},
 	'src-git-full' => {