From f12d2f016b6c69b702d89cc29eb50567d1088831 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vladimir.cunat@nic.cz>
Date: Sun, 18 Sep 2022 08:25:17 +0200
Subject: [PATCH 1/2] bpftools: decouple version from linux_latest

bpftools causes way too many rebuilds nowadays,
so its updates are not suitable for merging directly to nixpkgs master.
We want to update linux_latest faster than that.
---
 pkgs/os-specific/linux/bpftools/default.nix | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/pkgs/os-specific/linux/bpftools/default.nix b/pkgs/os-specific/linux/bpftools/default.nix
index 5a02a1022d59..b042654fede1 100644
--- a/pkgs/os-specific/linux/bpftools/default.nix
+++ b/pkgs/os-specific/linux/bpftools/default.nix
@@ -1,14 +1,19 @@
-{ lib, stdenv
+{ lib, stdenv, fetchurl
 , libopcodes, libopcodes_2_38
 , libbfd, libbfd_2_38
 , elfutils, readline
-, linuxPackages_latest, zlib
+, zlib
 , python3, bison, flex
 }:
 
 stdenv.mkDerivation rec {
   pname = "bpftools";
-  inherit (linuxPackages_latest.kernel) version src;
+  version = "5.19.9";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
+    sha256 = "0dvzjbyknzlx4ndz77fsm6v28fj2chxbq1z85fbc3bckcscbbm8a";
+  };
 
   nativeBuildInputs = [ python3 bison flex ];
   buildInputs = (if (lib.versionAtLeast version "5.20")

From 192b63e2250cf015e3c0cb86f271b9732333fe31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vladimir.cunat@nic.cz>
Date: Sun, 18 Sep 2022 08:26:51 +0200
Subject: [PATCH 2/2] bpftools: revert version to the one that's fully rebuilt

That's before 9f80f6bfa96d (PR #191364).
---
 pkgs/os-specific/linux/bpftools/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/os-specific/linux/bpftools/default.nix b/pkgs/os-specific/linux/bpftools/default.nix
index b042654fede1..640ab5f76a96 100644
--- a/pkgs/os-specific/linux/bpftools/default.nix
+++ b/pkgs/os-specific/linux/bpftools/default.nix
@@ -8,11 +8,11 @@
 
 stdenv.mkDerivation rec {
   pname = "bpftools";
-  version = "5.19.9";
+  version = "5.19.8";
 
   src = fetchurl {
     url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz";
-    sha256 = "0dvzjbyknzlx4ndz77fsm6v28fj2chxbq1z85fbc3bckcscbbm8a";
+    sha256 = "1kl7fifsa6vsm34xg3kd2svhx18n771hfj67nhwnlalmb9whhqv1";
   };
 
   nativeBuildInputs = [ python3 bison flex ];