From 2782c6e6a73bf822744a784e26b1ecac7afae2ff Mon Sep 17 00:00:00 2001
From: schnellerhase <56360279+schnellerhase@users.noreply.github.com>
Date: Fri, 5 Dec 2025 21:46:35 +0100
Subject: [PATCH 1/5] Pull compiler from cache

---
 .github/actions/test-package/action.yml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/.github/actions/test-package/action.yml b/.github/actions/test-package/action.yml
index 340a7cb6..51ceb996 100644
--- a/.github/actions/test-package/action.yml
+++ b/.github/actions/test-package/action.yml
@@ -33,12 +33,20 @@ runs:
     - name: Install gcc-13 (default)
       shell: sh
       if: contains(inputs.spec, 'gcc@13') || (! contains(inputs.spec, 'clang') && ! contains(inputs.spec, 'gcc'))
-      run: apt-get install -y g++ gcc gfortran build-essential
+      # run: apt-get install -y g++ gcc gfortran build-essential
+      run: |
+        spack install --cache-only gcc@13
+        spack compiler find $(spack location -i gcc)
+        spack compilers
 
     - name: Install clang-18
       shell: sh
       if: contains(inputs.spec, 'clang@18')
-      run: apt-get install -y clang-18 gfortran
+      # run: apt-get install -y clang-18 gfortran
+      run: |
+        spack install --cache-only clang@13
+        spack compiler find $(spack location -i clang)
+        spack compilers
 
     - name: Add repos
       shell: spack-bash {0}

From c4d03bbf46cd07b22b05620cfb5007be2c5edef1 Mon Sep 17 00:00:00 2001
From: schnellerhase <56360279+schnellerhase@users.noreply.github.com>
Date: Fri, 5 Dec 2025 21:47:27 +0100
Subject: [PATCH 2/5] on push

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

diff --git a/.github/workflows/spack-matrix.yml b/.github/workflows/spack-matrix.yml
index 6810c6c7..455e4e2a 100644
--- a/.github/workflows/spack-matrix.yml
+++ b/.github/workflows/spack-matrix.yml
@@ -2,8 +2,8 @@ name: 🤖
 
 on:
   push:
-    branches:
-      - main
+    # branches:
+    #   - main
   pull_request:
   workflow_dispatch:
   schedule:

From b830b24032982b148d89fb9481f8243798110510 Mon Sep 17 00:00:00 2001
From: schnellerhase <56360279+schnellerhase@users.noreply.github.com>
Date: Fri, 5 Dec 2025 21:51:49 +0100
Subject: [PATCH 3/5] build-essential

---
 .github/actions/test-package/action.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/actions/test-package/action.yml b/.github/actions/test-package/action.yml
index 51ceb996..732f608e 100644
--- a/.github/actions/test-package/action.yml
+++ b/.github/actions/test-package/action.yml
@@ -17,7 +17,7 @@ runs:
       shell: sh
       run: |
         apt-get -y update
-        apt-get install -y bzip2 curl file git gzip make patch tar unzip xz-utils
+        apt-get install -y bzip2 curl file git gzip make patch tar unzip xz-utils build-essential
 
     - uses: actions/setup-python@v6
       with:

From 55a833be4ff0eee0463f5c226aee86e94aa79ce9 Mon Sep 17 00:00:00 2001
From: schnellerhase <56360279+schnellerhase@users.noreply.github.com>
Date: Sat, 24 Jan 2026 23:29:43 +0100
Subject: [PATCH 4/5] only basix

---
 .github/workflows/spack-matrix.yml | 328 ++++++++++++++---------------
 1 file changed, 164 insertions(+), 164 deletions(-)

diff --git a/.github/workflows/spack-matrix.yml b/.github/workflows/spack-matrix.yml
index 455e4e2a..becbf71a 100644
--- a/.github/workflows/spack-matrix.yml
+++ b/.github/workflows/spack-matrix.yml
@@ -50,172 +50,172 @@ jobs:
         with:
           spec: fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
 
-  fenics-dolfinx:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "0.10", "0.9", "0.8"]
-        variant: ["build_type=Developer", "partitioners=kahip,parmetis,scotch", "+petsc +slepc +adios2"]
-        compiler: ["gcc@13", "clang@18"]
-        exclude:
-          # kahip does not support clang
-          - variant: "partitioners=kahip,parmetis,scotch"
-            compiler: "clang@18"
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  # fenics-dolfinx:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "0.10", "0.9", "0.8"]
+  #       variant: ["build_type=Developer", "partitioners=kahip,parmetis,scotch", "+petsc +slepc +adios2"]
+  #       compiler: ["gcc@13", "clang@18"]
+  #       exclude:
+  #         # kahip does not support clang
+  #         - variant: "partitioners=kahip,parmetis,scotch"
+  #           compiler: "clang@18"
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
 
-  fenics-ufcx:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "0.10", "0.9", "0.8"]
-        compiler: ["gcc@13", "clang@18"]
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: fenics-ufcx@${{ matrix.version }} %${{ matrix.compiler }}
+  # fenics-ufcx:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "0.10", "0.9", "0.8"]
+  #       compiler: ["gcc@13", "clang@18"]
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: fenics-ufcx@${{ matrix.version }} %${{ matrix.compiler }}
 
-  py-fenics-basix:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "0.10", "0.9", "0.8"]
-        variant: ["", "+ufl"]
-        compiler: ["gcc@13", "clang@18"]
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-      # workaround for https://github.com/spack/spack/issues/29447
-      - name: Run tests (> 0.8)
-        if: ${{ matrix.version != '0.8' && contains(matrix.variant, '+ufl') }}
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest py-sympy
-          spack stage py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          spack cd py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          pytest test/
-      # 0.8 holds one broken test case
-      - name: Run tests (0.8)
-        if: ${{ matrix.version == '0.8' && contains(matrix.variant, '+ufl') }}
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest py-sympy
-          spack stage py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          spack cd py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          pytest test/ -k "not test_all_elements_included" 
+  # py-fenics-basix:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "0.10", "0.9", "0.8"]
+  #       variant: ["", "+ufl"]
+  #       compiler: ["gcc@13", "clang@18"]
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #     # workaround for https://github.com/spack/spack/issues/29447
+  #     - name: Run tests (> 0.8)
+  #       if: ${{ matrix.version != '0.8' && contains(matrix.variant, '+ufl') }}
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest py-sympy
+  #         spack stage py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         spack cd py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         pytest test/
+  #     # 0.8 holds one broken test case
+  #     - name: Run tests (0.8)
+  #       if: ${{ matrix.version == '0.8' && contains(matrix.variant, '+ufl') }}
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest py-sympy
+  #         spack stage py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         spack cd py-fenics-basix@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         pytest test/ -k "not test_all_elements_included" 
 
-  py-fenics-dolfinx:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "0.10", "0.9", "0.8"]
-        variant: ["build_type=Developer", "+petsc4py +slepc4py"]
-        compiler: ["gcc@13", "clang@18"]
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          python-version: ${{ matrix.python-version }}
-      # workaround for https://github.com/spack/spack/issues/29447
-      # pytest@8.4 required for collision of [tool.pytest] and [tool.pytest.ini_options] since @9.0 (at least for dolfinx @:0.9)
-      - name: Run tests
-        if: ${{ matrix.version == '0.8' || matrix.version == '0.9'}}
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest@8.4 py-scipy
-          spack stage py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          spack cd py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          pytest python/test/unit -m "not petsc4py and not adios2" -k "not test_cffi_expression and not test_cube_distance"
-      - name: Run tests
-        if: ${{ matrix.version != '0.8' && matrix.version != '0.9'}}
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest@8.4 py-scipy
-          spack stage py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          spack cd py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
-          pytest python/test/unit -m "not petsc4py and not adios2" -k "not test_cffi_expression"
+  # py-fenics-dolfinx:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "0.10", "0.9", "0.8"]
+  #       variant: ["build_type=Developer", "+petsc4py +slepc4py"]
+  #       compiler: ["gcc@13", "clang@18"]
+  #       python-version: ["3.10", "3.11", "3.12", "3.13"]
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         python-version: ${{ matrix.python-version }}
+  #     # workaround for https://github.com/spack/spack/issues/29447
+  #     # pytest@8.4 required for collision of [tool.pytest] and [tool.pytest.ini_options] since @9.0 (at least for dolfinx @:0.9)
+  #     - name: Run tests
+  #       if: ${{ matrix.version == '0.8' || matrix.version == '0.9'}}
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest@8.4 py-scipy
+  #         spack stage py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         spack cd py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         pytest python/test/unit -m "not petsc4py and not adios2" -k "not test_cffi_expression and not test_cube_distance"
+  #     - name: Run tests
+  #       if: ${{ matrix.version != '0.8' && matrix.version != '0.9'}}
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest@8.4 py-scipy
+  #         spack stage py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         spack cd py-fenics-dolfinx@${{ matrix.version }} ${{ matrix.variant }} %${{ matrix.compiler }}
+  #         pytest python/test/unit -m "not petsc4py and not adios2" -k "not test_cffi_expression"
 
-  py-fenics-ffcx:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "0.10", "0.9", "0.8"]
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: py-fenics-ffcx@${{ matrix.version }}
-      # workaround for https://github.com/spack/spack/issues/29447
-      # we do not run numba based tests here due to disk-space constraints
-      # 0.8 broken
-      - name: Run tests
-        if: ${{ matrix.version != '0.8' }}
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest py-sympy
-          spack stage py-fenics-ffcx@${{ matrix.version }}
-          spack cd py-fenics-ffcx@${{ matrix.version }}
-          pytest test/
+  # py-fenics-ffcx:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "0.10", "0.9", "0.8"]
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: py-fenics-ffcx@${{ matrix.version }}
+  #     # workaround for https://github.com/spack/spack/issues/29447
+  #     # we do not run numba based tests here due to disk-space constraints
+  #     # 0.8 broken
+  #     - name: Run tests
+  #       if: ${{ matrix.version != '0.8' }}
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest py-sympy
+  #         spack stage py-fenics-ffcx@${{ matrix.version }}
+  #         spack cd py-fenics-ffcx@${{ matrix.version }}
+  #         pytest test/
 
-  py-fenics-ufl:
-    needs: style-check
-    runs-on: ubuntu-latest
-    container: ubuntu:24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        version: ["main", "2025.2", "2025.1", "2024.2", "2024.1"]
-    steps:
-      - uses: actions/checkout@v5
-        with:
-          path: spack-fenics
-      - uses: ./spack-fenics/.github/actions/test-package
-        with:
-          spec: py-fenics-ufl@${{ matrix.version }}
-      # workaround for https://github.com/spack/spack/issues/29447
-      - name: Run tests
-        shell: spack-bash {0}
-        run: |
-          spack env activate ./env
-          spack install --add py-pytest
-          spack stage py-fenics-ufl@${{ matrix.version }}
-          spack cd py-fenics-ufl@${{ matrix.version }}
-          pytest test/
+  # py-fenics-ufl:
+  #   needs: style-check
+  #   runs-on: ubuntu-latest
+  #   container: ubuntu:24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       version: ["main", "2025.2", "2025.1", "2024.2", "2024.1"]
+  #   steps:
+  #     - uses: actions/checkout@v5
+  #       with:
+  #         path: spack-fenics
+  #     - uses: ./spack-fenics/.github/actions/test-package
+  #       with:
+  #         spec: py-fenics-ufl@${{ matrix.version }}
+  #     # workaround for https://github.com/spack/spack/issues/29447
+  #     - name: Run tests
+  #       shell: spack-bash {0}
+  #       run: |
+  #         spack env activate ./env
+  #         spack install --add py-pytest
+  #         spack stage py-fenics-ufl@${{ matrix.version }}
+  #         spack cd py-fenics-ufl@${{ matrix.version }}
+  #         pytest test/

From f5298c4db801b59cf529f511b80a74e5bd727e54 Mon Sep 17 00:00:00 2001
From: schnellerhase <56360279+schnellerhase@users.noreply.github.com>
Date: Sat, 24 Jan 2026 23:30:46 +0100
Subject: [PATCH 5/5] revert on push

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

diff --git a/.github/workflows/spack-matrix.yml b/.github/workflows/spack-matrix.yml
index becbf71a..600308fb 100644
--- a/.github/workflows/spack-matrix.yml
+++ b/.github/workflows/spack-matrix.yml
@@ -2,8 +2,8 @@ name: 🤖
 
 on:
   push:
-    # branches:
-    #   - main
+    branches:
+      - main
   pull_request:
   workflow_dispatch:
   schedule: