From 5c9489fc419d1a93b1e9ebf168312c839579cf23 Mon Sep 17 00:00:00 2001
From: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Date: Mon, 5 May 2025 15:52:12 +0200
Subject: [PATCH] ci: don't fail testing docker image build without a cached
 image

---
 .ci/docker/util.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.ci/docker/util.sh b/.ci/docker/util.sh
index 865e4d884..458f77f29 100755
--- a/.ci/docker/util.sh
+++ b/.ci/docker/util.sh
@@ -43,9 +43,13 @@ for version in $versions; do
 
   case $ACTION in
   build)
+    cache_image="${full_image_name}"
+    # check that we have an image before using it as a cache
+    docker manifest inspect "${full_image_name}" || cache_image=
+
     DOCKER_BUILDKIT=1 docker build \
         --progress=plain \
-        --cache-from="${full_image_name}" \
+        --cache-from="${cache_image}" \
         -f "${project_root}/tests/Dockerfile" \
         --build-arg PYTHON_IMAGE="${version/-/:}" \
         -t "${full_image_name}" \