From 2bb15e03f49a000eb517fe5cdf90f5dcfbfd1db5 Mon Sep 17 00:00:00 2001
From: Balint Reczey <balint.reczey@canonical.com>
Date: Fri, 17 May 2019 16:41:21 +0200
Subject: [PATCH] wsl.binary: Add comment about tar usage

---
 live-build/ubuntu-cpc/hooks.d/base/wsl.binary | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/live-build/ubuntu-cpc/hooks.d/base/wsl.binary b/live-build/ubuntu-cpc/hooks.d/base/wsl.binary
index 4bf42800..05f51e30 100755
--- a/live-build/ubuntu-cpc/hooks.d/base/wsl.binary
+++ b/live-build/ubuntu-cpc/hooks.d/base/wsl.binary
@@ -45,6 +45,10 @@ if [ -d $rootfs_dir/var/log/journal ]; then
     setfattr -x system.posix_acl_default $rootfs_dir/var/log/journal
 fi
 
+# The reason not using just tar .. -C $rootfs_dir . is that using '.' was found
+# not working once and checking if using the simpler command is safe needs
+# verification of the app installation on all Windows 10 builds we support
+# with WSL.
 cd $rootfs_dir
 tar --xattrs --sort=name -czf ../livecd.ubuntu-cpc.wsl.rootfs.tar.gz *
 cd ..