WIP

Author: davdroman

.github/workflows/ci.yml

@@ -49,16 +49,25 @@ jobs:
           defaults write com.apple.dt.Xcode IDESkipMacroFingerprintValidation -bool YES
           defaults write com.apple.dt.Xcode IDESkipPackagePluginFingerprintValidatation -bool YES
 
+      - name: Select Xcode version
+        run: sudo xcodes select ${{ matrix.xcode }}
+
+      - name: List Runtimes & Simulators
+        run: xcrun simctl list
+
       - if: matrix.platform != 'mac-catalyst'
         name: Download Required Runtimes
         run: |
           sudo xcodes select ${{ matrix.xcode }}
-          if ! xcodebuild -downloadPlatform ${{ matrix.platform }}; then
-            code=$?
-            if [ $code -ne 70 ]; then
-              exit $code
-            else
-              echo "Ignoring exit code 70 from xcodebuild -downloadPlatform"
+          RUNTIME="${{ fromJSON(env.SIMULATORS_JSON)[matrix.xcode][matrix.platform].runtime }}"
+          if ! xcrun simctl list runtimes | grep -q "$RUNTIME"; then
+            if ! xcodebuild -downloadPlatform ${{ matrix.platform }}; then
+              code=$?
+              if [ $code -ne 70 ]; then
+                exit $code
+              else
+                echo "Ignoring exit code 70 from xcodebuild -downloadPlatform"
+              fi
             fi
           fi