From 590854654344e9c0394464c27b51a5b2b8e2dffb Mon Sep 17 00:00:00 2001
From: Mark Callow <github@callow.im>
Date: Thu, 13 Jun 2024 22:17:40 +0900
Subject: [PATCH] Document how to set up use of ktx-compare for CTS.

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 154540181c..9c3cf05949 100644
--- a/README.md
+++ b/README.md
@@ -152,5 +152,10 @@ work because those are lower priority than `.gitattributes` so are read first
 and `.gitattributes` already has an entry for *.ktx2, indicating binary, which
 overrides anything from the global files.
 
+To set up your `tests/cts` submodule to use this, copy the *ktx-compare* diff
+command to `.git/modules/tests/cts/config`. Depending on when you set up the
+submodule and when you ran `install-gitconfig.sh`, it may already be there.
+Add the attribute line to `.git/modules/tests/cts/info/attributes`.
+
 We will be happy to accept a PR to add a .ps1 equivalent script.