[PR PATCH] grub-btrfs: patch for modular configs

[teldra <teldra@users.noreply.github.com>]

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There is a new pull request by teldra against master on the void-packages repository

https://github.com/teldra/void-packages fix-grub-btrfs
https://github.com/void-linux/void-packages/pull/30195

grub-btrfs: patch for modular configs
<!-- Mark items with [x] where applicable -->

#### General
- [x] This is a new package and it conforms to the [quality requirements](https://github.com/void-linux/void-packages/blob/master/Manual.md#quality-requirements)

#### Have the results of the proposed changes been tested?
- [x] I use the packages affected by the proposed changes on a regular basis and confirm this PR works for me

#### Does it build and run successfully? 
(Please choose at least one native build and, if supported, at least one cross build. More are better.)
- [x] I built this PR locally for my native architecture, (x86_64-GLIBC)
- [x] I built this PR locally for these architectures (if supported. mark crossbuilds):
  - [x] aarch64-musl
  - [x] armv7l
  - [x] armv6l-musl


A patch file from https://github.com/void-linux/void-packages/pull/30195.patch is attached

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From 2b4402e7de348ae4e30f1bf780dd773a76b43848 Mon Sep 17 00:00:00 2001
From: teldra <teldra@rotce.de>
Date: Tue, 13 Apr 2021 03:36:18 +0200
Subject: [PATCH] grub-btrfs: patch for modular configs

---
 srcpkgs/grub-btrfs/patches/config.patch | 13 +++++++++++++
 srcpkgs/grub-btrfs/template             |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/grub-btrfs/patches/config.patch

diff --git a/srcpkgs/grub-btrfs/patches/config.patch b/srcpkgs/grub-btrfs/patches/config.patch
new file mode 100644
index 000000000000..61fb9906ccfc
--- /dev/null
+++ b/srcpkgs/grub-btrfs/patches/config.patch
@@ -0,0 +1,13 @@
+--- config.orig	2021-04-13 03:37:11.581669409 +0200
++++ config	2021-04-13 03:38:23.549598497 +0200
+@@ -120,3 +120,10 @@
+ # doesn't work if GRUB_BTRFS_PROTECTION_AUTHORIZED_USERS isn't empty
+ # Default: "false"
+ #GRUB_BTRFS_DISABLE_PROTECTION_SUBMENU="true"
++
++if [ -d /etc/default/grub-btrfs/conf.d ]; then
++	for cfg in $(find /etc/default/grub-btrfs/conf.d -type f -name "*.conf"); do
++		. "${cfg}"
++	done
++fi
++
diff --git a/srcpkgs/grub-btrfs/template b/srcpkgs/grub-btrfs/template
index 8c1a2f5954c9..ae7dd5973640 100644
--- a/srcpkgs/grub-btrfs/template
+++ b/srcpkgs/grub-btrfs/template
@@ -1,7 +1,7 @@
 # Template file for 'grub-btrfs'
 pkgname=grub-btrfs
 version=4.8.1
-revision=1
+revision=2
 build_style=gnu-makefile
 depends="grub bash"
 short_desc="Include btrfs snapshots at Grub menu"