From 897b10998b5953622c475e80518f2788155c91c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Llu=C3=ADs=20Batlle=20i=20Rossell?= <viric@viric.name>
Date: Wed, 28 Dec 2016 16:05:01 +0100
Subject: [PATCH] Tune mksquashfs for smaller isos.

Bigger block size, more suitable for xz.
---
 nixos/lib/make-squashfs.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/lib/make-squashfs.nix b/nixos/lib/make-squashfs.nix
index 2baa4f66760..4100af27bec 100644
--- a/nixos/lib/make-squashfs.nix
+++ b/nixos/lib/make-squashfs.nix
@@ -25,6 +25,6 @@ stdenv.mkDerivation {
 
       # Generate the squashfs image.
       mksquashfs nix-path-registration $storePaths $out \
-        -keep-as-directory -all-root -comp xz
+        -keep-as-directory -all-root -b 1048576 -comp xz -Xdict-size 100%
     '';
 }