From ee1b2d40ca48ddd2d27f192514d3d810c9ac5571 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Mon, 20 Jan 2025 08:50:00 +1100
Subject: [PATCH] github: make it clearer which image contains RIFF metadata

... if it exists it would be nice to know in what!
---
 .github/workflows/test.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 695dc5d0ed..1c068ca2d6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,12 @@ jobs:
           ./Sphinxsetup.sh
       - name: Check image formats
         run: |
-          find ./images/ -exec file {} + | grep RIFF -vzq
+          for i in $(find ./images/); do
+              if file "$i" | grep RIFF; then
+                  echo "$i contains RIFF metadata; process file to remove"
+                  exit 1
+              fi
+          done
       - name: Check python3 flake8 formatting
         run : |
           set -eux -o pipefail