ci: use composite workflow

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ env:
   CMAKE_BUILD_TYPE: Release
   CMAKE_INSTALL_PREFIX: ~/libgem
   GEMINI_ROOT: ~/libgem
+  CMAKE_GENERATOR: Ninja
   HOMEBREW_NO_INSTALL_CLEANUP: 1
   CMAKE_BUILD_PARALLEL_LEVEL: 4
 
@@ -75,50 +76,12 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - name: Checkout GemGI (for simulation config.nml inputs)
+    - name: Git Checkout ${{ github.action_repository }}
       uses: actions/checkout@v4
-      with:
-        repository: gemini3d/gemci
-        path: ${{ github.workspace }}/gemci
-
-    - name: Install Prereqs (Linux)
-      if: runner.os == 'Linux'
-      run: |
-        sudo apt update
-        sudo apt install --no-install-recommends libopenmpi-dev openmpi-bin libhdf5-dev
-
-    - name: Install Prereqs (Macos)
-      if: runner.os == 'macOS'
-      run: brew install open-mpi hdf5 scalapack
-
-    - name: Cache install Gemini3D
-      id: cache-gemini
-      uses: actions/cache@v4
-      with:
-        path: |
-          ${{ env.CMAKE_INSTALL_PREFIX }}
-        key: ${{ runner.os }}-gemini-${{ hashFiles('gemini3d/CMakeLists.txt') }}
-      # weak check that gemini3d has changed since last cache update
 
-    - name: Checkout Gemini3D
-      if: steps.cache-gemini.outputs.cache-hit != 'true'
-      uses: actions/checkout@v4
-      with:
-        repository: gemini3d/gemini3d
-        path: gemini3d
-        submodules: true
+    - uses: ./.github/workflows/composite-pkg
 
-    - name: non-cache Install Gemini3D
-      if: steps.cache-gemini.outputs.cache-hit != 'true'
-      timeout-minutes: 15
-      run: |
-        cmake -B build
-        cmake --build build
-        cmake --install build
-      working-directory: gemini3d
-
-    - name: Git Checkout ${{ github.action_repository }}
-      uses: actions/checkout@v4
+    - uses: ./.github/workflows/composite-gemini3d
 
     - name: Install Python packages
       run: python -m pip install .[tests,plots]

.github/workflows/composite-gemini3d/action.yml

@@ -0,0 +1,38 @@
+runs:
+
+    using: 'composite'
+
+    steps:
+
+    - name: Checkout GemGI (for simulation config.nml inputs)
+      uses: actions/checkout@v4
+      with:
+        repository: gemini3d/gemci
+        path: ${{ github.workspace }}/gemci
+
+    - name: Cache install Gemini3D
+      id: cache-gemini
+      uses: actions/cache@v4
+      with:
+        path: |
+          ${{ env.CMAKE_INSTALL_PREFIX }}
+        key: ${{ runner.os }}-gemini-${{ hashFiles('gemini3d/CMakeLists.txt') }}
+      # weak check that gemini3d has changed since last cache update
+
+    - name: Checkout Gemini3D
+      if: steps.cache-gemini.outputs.cache-hit != 'true'
+      uses: actions/checkout@v4
+      with:
+        repository: gemini3d/gemini3d
+        path: gemini3d
+        submodules: true
+
+    - name: non-cache Install Gemini3D
+      if: steps.cache-gemini.outputs.cache-hit != 'true'
+      timeout-minutes: 15
+      shell: bash
+      run: |
+        cmake -B build
+        cmake --build build
+        cmake --install build
+      working-directory: gemini3d

.github/workflows/composite-pkg/action.yml

@@ -0,0 +1,21 @@
+runs:
+
+  using: 'composite'
+
+  steps:
+
+# don't install libscalapack-openmpi-dev, it is broken CMake package
+
+# don't remove sudo apt update or every once in a while all the jobs will fail when the GA runner
+# is out of sync with the upstream Ubuntu package repos
+  - name: Install packages (Linux)
+    shell: bash
+    if: runner.os == 'Linux'
+    run: |
+      sudo apt update
+      sudo apt install --no-install-recommends libopenmpi-dev openmpi-bin libhdf5-dev ninja-build liblapack-dev
+
+  - name: Install packages (MacOS)
+    shell: bash
+    if: runner.os == 'macOS'
+    run: brew install ninja open-mpi hdf5 scalapack