From bc3416a2dddd3c7a2a3182373c392292ed8e22b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sun, 1 Aug 2021 11:28:58 +0200
Subject: [PATCH] squashfsTools: patch a channel-blocking bug

Fixes #132286.
---
 pkgs/tools/filesystems/squashfs/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/tools/filesystems/squashfs/default.nix b/pkgs/tools/filesystems/squashfs/default.nix
index 2c8cd317f661..bec344631511 100644
--- a/pkgs/tools/filesystems/squashfs/default.nix
+++ b/pkgs/tools/filesystems/squashfs/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchFromGitHub
+, fetchpatch
 , zlib
 , xz
 , lz4
@@ -23,6 +24,12 @@ stdenv.mkDerivation rec {
     # This patch adds an option to pad filesystems (increasing size) in
     # exchange for better chunking / binary diff calculation.
     ./4k-align.patch
+    # Otherwise sizes of some files may break in our ISO; see
+    # https://github.com/NixOS/nixpkgs/issues/132286
+    (fetchpatch {
+      url = "https://github.com/plougher/squashfs-tools/commit/19b161c1cd3e31f7a396ea92dea4390ad43f27b9.diff";
+      sha256 = "15ng8m2my3a6a9hnfx474bip2vwdh08hzs2k0l5gwd36jv2z1h3f";
+    })
   ] ++ lib.optional stdenv.isDarwin ./darwin.patch;
 
   buildInputs = [ zlib xz zstd lz4 lzo ];