From 00743181e874b84816a06ca2cbf0815925703635 Mon Sep 17 00:00:00 2001
From: cvanelteren <caspervanelteren@gmail.com>
Date: Sun, 1 Feb 2026 20:14:22 +1000
Subject: [PATCH 1/3] Add debug output for selected mpl tests

---
 .github/workflows/build-ultraplot.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/build-ultraplot.yml b/.github/workflows/build-ultraplot.yml
index 4130688d1..8010fc175 100644
--- a/.github/workflows/build-ultraplot.yml
+++ b/.github/workflows/build-ultraplot.yml
@@ -99,6 +99,10 @@ jobs:
         if: steps.cache-baseline.outputs.cache-hit != 'true' || !env.IS_PR
         run: |
           mkdir -p ultraplot/tests/baseline
+          echo "TEST_MODE=${TEST_MODE}"
+          echo "IS_PR=${IS_PR}"
+          echo "PR_BASE_SHA=${{ github.event.pull_request.base.sha }}"
+          echo "TEST_NODEIDS=${TEST_NODEIDS}"
           # Save PR-selected nodeids for reuse after checkout (if provided)
           if [ "${TEST_MODE}" = "selected" ] && [ -n "${TEST_NODEIDS}" ]; then
             printf "%s\n" ${TEST_NODEIDS} > /tmp/pr_selected_nodeids.txt
@@ -129,6 +133,7 @@ jobs:
               echo "${filtered}"
             }
             FILTERED_NODEIDS="$(filter_nodeids)"
+            echo "FILTERED_NODEIDS_BASE=${FILTERED_NODEIDS}"
             if [ -z "${FILTERED_NODEIDS}" ]; then
               echo "No valid nodeids found on base; skipping baseline generation."
               exit 0
@@ -163,6 +168,8 @@ jobs:
 
           mkdir -p results
           python -c "import ultraplot as plt; plt.config.Configurator()._save_yaml('ultraplot.yml')"
+          echo "TEST_MODE=${TEST_MODE}"
+          echo "TEST_NODEIDS=${TEST_NODEIDS}"
           if [ "${TEST_MODE}" = "selected" ] && [ -s /tmp/pr_selected_nodeids.txt ]; then
             status=0
             filter_nodeids() {
@@ -176,6 +183,7 @@ jobs:
               echo "${filtered}"
             }
             FILTERED_NODEIDS="$(filter_nodeids)"
+            echo "FILTERED_NODEIDS_PR=${FILTERED_NODEIDS}"
             if [ -z "${FILTERED_NODEIDS}" ]; then
               echo "No valid nodeids found on PR branch; skipping image comparison."
               exit 0

From 2ee6b6c08043bf16e432899149c2120449f9cf4a Mon Sep 17 00:00:00 2001
From: cvanelteren <caspervanelteren@gmail.com>
Date: Sun, 1 Feb 2026 20:19:46 +1000
Subject: [PATCH 2/3] Add select-tests debug logging

---
 .github/workflows/main.yml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e2771a443..ea84c9c81 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -54,6 +54,14 @@ jobs:
           fi
 
           git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }} > .ci/changed.txt
+          echo "Changed files:"
+          cat .ci/changed.txt || true
+          echo "Test map exists:"
+          if [ -f .ci/test-map.json ]; then
+            echo "yes (size=$(wc -c < .ci/test-map.json))"
+          else
+            echo "no"
+          fi
 
           python tools/ci/select_tests.py \
             --map .ci/test-map.json \
@@ -64,6 +72,8 @@ jobs:
             --always-full 'ultraplot/__init__.py' \
             --ignore 'docs/**' \
             --ignore 'README.rst'
+          echo "Selection output:"
+          cat .ci/selection.json || true
 
           python - <<'PY' > .ci/selection.out
           import json

From 96229513ff55f5bf09fe215d1a72c3666bc2d49e Mon Sep 17 00:00:00 2001
From: cvanelteren <caspervanelteren@gmail.com>
Date: Sun, 1 Feb 2026 20:27:33 +1000
Subject: [PATCH 3/3] Align test map cache key with generator

---
 .github/workflows/main.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ea84c9c81..f0c8657d0 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -40,9 +40,9 @@ jobs:
         uses: actions/cache/restore@v5
         with:
           path: .ci/test-map.json
-          key: test-map-v2-${{ github.event.pull_request.base.sha }}
+          key: test-map-${{ github.event.pull_request.base.sha }}
           restore-keys: |
-            test-map-v2-
+            test-map-
 
       - name: Select impacted tests
         id: select