👷 Test new env

.github/workflows/actions/build/action.yml

@@ -62,7 +62,7 @@ runs:
       uses: conda-incubator/setup-miniconda@v3
       with:
         activate-environment: bluemira
-        environment-file: conda/environment.yml
+        environment-file: conda/environment${{ inputs.os != 'ubuntu-latest' && '-minimal' || '' }}.yml
         miniforge-version: "latest"
         use-only-tar-bz2: false
         miniforge-variant: Mambaforge

conda/environment-minimal.yml

@@ -0,0 +1,30 @@
+name: bluemira
+channels:
+  - conda-forge
+  - nodefaults
+
+variables:
+  # Avoid use of .local
+  PYTHONNOUSERSITE: "1"
+
+  # The below settings are needed to support FreeCAD integration alongside click.
+  # When adding or changing an environment variable you should consider including it
+  # in the environment variables used in the .github/workflows/ci.yml, so as to replicate
+  # the user environment as closely as possible (since they don't appear to be loaded
+  # into the GitHub Actions shell).
+  # NOTE: This may produce a warning when activating the conda environment if overriding
+  # the machine's language
+  LANG: "C"
+  LC_ALL: "C"
+  PYTHONIOENCODING: "utf-8"
+
+dependencies:
+  - python  >=3.10,<3.12
+  - fenics-dolfinx=0.7.3
+  - freecad=0.21.2
+  - h5py
+  - mpi4py=3.1.6
+  - graphviz
+  - pip
+  - pip:
+      - -e '../[pinned]'