CI: Install pybind using brew, try to cache macports

.github/workflows/ci.yml

@@ -14,15 +14,18 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
     steps:
+
       - name: Checkout recursive
         uses: actions/checkout@v3
         with:
           submodules: 'recursive'
           path: albert
+
       - name: Create archives
         run: |
           tar --exclude=".*" -czvf ${{ github.ref_name }}.tar.gz albert
           zip -r ${{ github.ref_name }}.zip albert -x "*/.*"
+          
       - name: Release
         uses: softprops/action-gh-release@v1
         with:
@@ -42,19 +45,36 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
+
       - name: Checkout source code
         uses: actions/checkout@v3
         with:
           submodules: recursive
+
       - name: Get latest CMake and ninja
         uses: lukka/get-cmake@latest
+
       - name: Install Qt dependencies
         uses: jurplel/install-qt-action@v3
         with:
           version: ${{ matrix.qt_version }}
-          #cache: true
+          cache: true
           modules: 'qtscxml qt5compat qtshadertools'
-      - name: Install macports (universal libraries)
+
+      - name: Install pybind using homebrew
+        run: brew install pybind11
+
+      - name: Try using macports cache
+        uses: actions/cache@v3
+        id: cache-macports  # ref'ed below
+        with:
+          path: |
+            /opt/local/lib
+            /opt/local/include
+          key: ${{ runner.os }}-macports-r0
+
+      - name: Install macports (for universal binaries of libqalculate and libarchive)
+        if: steps.cache-macports.outputs.cache-hit != 'true'
         run: |
           case ${{ matrix.os }} in
             macos-11)
@@ -71,13 +91,17 @@ jobs:
             ;;
           esac
           sudo sh -c 'echo "\n+universal" >> /opt/local/etc/macports/variants.conf'
+          
       - name: Install dependencies using macports
-        run : sudo /opt/local/bin/port install pybind11 libqalculate libarchive
+        if: steps.cache-macports.outputs.cache-hit != 'true'
+        run : sudo /opt/local/bin/port install libqalculate libarchive
+
       - name: Build
         run: |
           cmake -S . -B build \
             -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64"
           cmake --build build
+          
       - name: Package
         run: cd build && cpack -V  
 #      - name: Upload
@@ -100,9 +124,11 @@ jobs:
         dockerfile: [arch.Dockerfile, fedora.latest.Dockerfile, ubuntu.2204.Dockerfile]
 
     steps:
+
       - name: Checkout source code
         uses: actions/checkout@v3
         with:
           submodules: recursive
+
       - name: Build docker test image
         run: docker build . --file .docker/${{ matrix.dockerfile }}