From 8a0c212b74a3406368d9dc50fdd65acdfbca9b45 Mon Sep 17 00:00:00 2001
From: SandaruKasa <sandarukasa@ya.ru>
Date: Tue, 2 Jun 2026 19:28:52 +0300
Subject: [PATCH] compsize: fix build with newer btrfs-progs

---
 .../co/compsize/btrfs-progs-6-10-1.patch      | 47 +++++++++++++++++++
 pkgs/by-name/co/compsize/package.nix          | 19 ++------
 2 files changed, 52 insertions(+), 14 deletions(-)
 create mode 100644 pkgs/by-name/co/compsize/btrfs-progs-6-10-1.patch

diff --git a/pkgs/by-name/co/compsize/btrfs-progs-6-10-1.patch b/pkgs/by-name/co/compsize/btrfs-progs-6-10-1.patch
new file mode 100644
index 000000000000..a0b4f0b6ae1d
--- /dev/null
+++ b/pkgs/by-name/co/compsize/btrfs-progs-6-10-1.patch
@@ -0,0 +1,47 @@
+From a471982c82d1917637cce81a084fcd4b02d6e33b Mon Sep 17 00:00:00 2001
+From: David Roman <droman@ifae.es>
+Date: Mon, 25 Nov 2024 14:10:16 +0100
+Subject: [PATCH] fix build with btrfs-progs >= 6.10.1
+
+https://github.com/kilobyte/compsize/pull/54
+
+---
+ compsize.c   | 2 ++
+ radix-tree.h | 4 ----
+ 2 files changed, 2 insertions(+), 4 deletions(-)
+
+diff --git a/compsize.c b/compsize.c
+index 42ec304..0f533e5 100644
+--- a/compsize.c
++++ b/compsize.c
+@@ -5,12 +5,14 @@
+ #include <unistd.h>
+ #include <fcntl.h>
+ #include <dirent.h>
++#include "kerncompat.h"
+ #include <btrfs/ioctl.h>
+ #include <btrfs/ctree.h>
+ #include <stdarg.h>
+ #include <stdlib.h>
+ #include <sys/ioctl.h>
+ #include <inttypes.h>
++#include <errno.h>
+ #include <linux/limits.h>
+ #include <getopt.h>
+ #include <signal.h>
+diff --git a/radix-tree.h b/radix-tree.h
+index bf96d83..d99ea7e 100644
+--- a/radix-tree.h
++++ b/radix-tree.h
+@@ -37,11 +37,7 @@
+ #ifndef _LINUX_RADIX_TREE_H
+ #define _LINUX_RADIX_TREE_H
+ 
+-#if BTRFS_FLAT_INCLUDES
+ #include "kerncompat.h"
+-#else
+-#include <btrfs/kerncompat.h>
+-#endif /* BTRFS_FLAT_INCLUDES */
+ 
+ #define RADIX_TREE_MAX_TAGS 2
+ 
diff --git a/pkgs/by-name/co/compsize/package.nix b/pkgs/by-name/co/compsize/package.nix
index 6b15eb212aa1..1f100808d18d 100644
--- a/pkgs/by-name/co/compsize/package.nix
+++ b/pkgs/by-name/co/compsize/package.nix
@@ -2,22 +2,9 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  fetchurl,
   btrfs-progs,
 }:
 
-let
-  # https://github.com/kilobyte/compsize/issues/52
-  btrfs-progs' = btrfs-progs.overrideAttrs (old: rec {
-    pname = "btrfs-progs";
-    version = "6.10";
-    src = fetchurl {
-      url = "mirror://kernel/linux/kernel/people/kdave/btrfs-progs/btrfs-progs-v${version}.tar.xz";
-      hash = "sha256-M4KoTj/P4f/eoHphqz9OhmZdOPo18fNFSNXfhnQj4N8=";
-    };
-  });
-
-in
 stdenv.mkDerivation rec {
   pname = "compsize";
   version = "1.5";
@@ -29,7 +16,11 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-OX41ChtHX36lVRL7O2gH21Dfw6GPPEClD+yafR/PFm8=";
   };
 
-  buildInputs = [ btrfs-progs' ];
+  patches = [
+    ./btrfs-progs-6-10-1.patch
+  ];
+
+  buildInputs = [ btrfs-progs ];
 
   installFlags = [
     "PREFIX=${placeholder "out"}"