install macports

Author: hohle

.github/workflows/check.yaml

@@ -11,5 +11,30 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
+    - name: install MacPorts
+      run: |
+         OS_NAME="$(case ${{ matrix.version }} in
+            15)
+                echo Sequoia
+                ;;
+            14)
+                echo Sonoma
+                ;;
+            13)
+                echo Ventura
+                ;;
+            12)
+                echo Montery
+                ;;
+            *)
+                exit 1
+                ;;
+         esac)"
+         MACPORTS_VERSION=2.10.5
+         MACPORTS_PKG_NAME="MacPorts-${MACPORTS_VERSION}-${{ matrix.version }}-${OS_NAME}.pkg"
+         MACPORTS_URL="https://github.com/macports/macports-base/releases/download/v${MACPORTS_VERSION}/${MACPORTS_PKG_NAME}"
+         wget -o "${MACPORTS_PKG_NAME}" "${MACPORTS_URL}"
+         sudo installer -pkg "${MACPORTS_PKG_NAME}" -target /
+         sudo /opt/local/bin/port install check
     - name: make check
       run: make check