Housekeeping for ultraplot-build.yml

.github/workflows/build-ultraplot.yml

@@ -76,14 +76,23 @@ jobs:
           git fetch origin ${{ github.event.pull_request.base.sha }}
           git checkout ${{ github.event.pull_request.base.sha }}
           python -c "import ultraplot as plt; plt.config.Configurator()._save_yaml('ultraplot.yml')"
-          pytest -W ignore --mpl-generate-path=baseline --mpl-default-style="./ultraplot.yml"
+          pytest -W ignore \
+          --mpl-generate-path=baseline \
+          --mpl-generate-hash-library=baseline/comparison_hashes.json \
+          --mpl-default-style="./ultraplot.yml"
           git checkout ${{ github.sha }}  # Return to PR branch
 
       - name: Image Comparison Ultraplot
         run: |
           mkdir -p results
           python -c "import ultraplot as plt; plt.config.Configurator()._save_yaml('ultraplot.yml')"
-          pytest -W ignore --mpl --mpl-baseline-path=baseline --mpl-generate-summary=html --mpl-results-path=./results/ --mpl-default-style="./ultraplot.yml" --store-failed-only ultraplot/tests
+          pytest -W ignore \
+              --mpl \
+              --mpl-hash-library=baseline/comparison_hashes.json \
+              --mpl-results-path=./results/ \
+              --mpl-generate-summary=html \
+              --mpl-default-style="./ultraplot.yml" \
+              --store-failed-only ultraplot/tests
 
       # Return the html output of the comparison even if failed
       - name: Upload comparison failures

pyproject.toml

@@ -50,3 +50,7 @@ include-package-data = true
 [tool.setuptools_scm]
 write_to = "ultraplot/_version.py"
 write_to_template = "__version__ = '{version}'\n"
+
+[tool.pytest.ini_options]
+mpl-baseline-dir = "./baseline"
+mpl = "hash"