From 14858a63a5541090b4ecb7c4b96dbe952b79b01a Mon Sep 17 00:00:00 2001
From: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Date: Tue, 22 Aug 2023 11:51:47 +0100
Subject: [PATCH] mksquashfs: switch from xz to zstd

This will result in faster boot times.

Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
---
 live-build/functions | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/live-build/functions b/live-build/functions
index dea971dc..347edd79 100644
--- a/live-build/functions
+++ b/live-build/functions
@@ -339,7 +339,8 @@ create_squashfs() {
     squashfs_file="$2"
     config_dir="$PWD/config"
     (cd $rootfs_dir &&
-        mksquashfs . $squashfs_file -no-progress -xattrs -comp xz \
+        mksquashfs . $squashfs_file -no-progress -xattrs -comp zstd \
+            -Xcompression-level 19 \
             -ef "$config_dir/squashfs-exclude-files")
 
 }