From d72d1fe1e53b1a6879093091e7039ba980cbc8da Mon Sep 17 00:00:00 2001
From: Las Safin <me@las.rs>
Date: Mon, 16 Aug 2021 11:33:38 +0000
Subject: [PATCH 1/2] v4l2loopback: Add bin output with utils

---
 pkgs/os-specific/linux/v4l2loopback/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/os-specific/linux/v4l2loopback/default.nix b/pkgs/os-specific/linux/v4l2loopback/default.nix
index 53f37e805fa7..539c7b7c1e61 100644
--- a/pkgs/os-specific/linux/v4l2loopback/default.nix
+++ b/pkgs/os-specific/linux/v4l2loopback/default.nix
@@ -23,6 +23,12 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ kmod ];
 
+  postInstall = ''
+    make install-utils PREFIX=$bin
+  '';
+
+  outputs = [ "out" "bin" ];
+
   makeFlags = [
     "KERNELRELEASE=${kernel.modDirVersion}"
     "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

From 47aa19484c101b4146c5a6282807de2290f8f523 Mon Sep 17 00:00:00 2001
From: Las Safin <me@las.rs>
Date: Mon, 16 Aug 2021 12:12:41 +0000
Subject: [PATCH 2/2] v4l2loopback: unstable-2020-04-22 -> unstable-2021-07-13

---
 pkgs/os-specific/linux/v4l2loopback/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/os-specific/linux/v4l2loopback/default.nix b/pkgs/os-specific/linux/v4l2loopback/default.nix
index 539c7b7c1e61..9ff6d03fdab4 100644
--- a/pkgs/os-specific/linux/v4l2loopback/default.nix
+++ b/pkgs/os-specific/linux/v4l2loopback/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "v4l2loopback";
-  version = "unstable-2020-04-22-${kernel.version}";
+  version = "unstable-2021-07-13-${kernel.version}";
 
   src = fetchFromGitHub {
     owner = "umlaeute";
     repo = "v4l2loopback";
-    rev = "d26e624b4ead762d34152f9f825b3a51fb92fb9c";
-    sha256 = "sha256-OA45vmuVieoL7J83D3TD5qi3SBsiqi0kiQn4i1K6dVE=";
+    rev = "baf9de279afc7a7c7513e9c40a0c9ff88f456af4";
+    sha256 = "sha256-uglYTeqz81fgkKYYU9Cw8x9+S088jGxDEGkb3rmkhrw==";
   };
 
   hardeningDisable = [ "format" "pic" ];