simplify

Author: dduan

.github/workflows/swift.yml

@@ -67,26 +67,9 @@ jobs:
         run: sudo xcode-select -s /Applications/Xcode_26.1.1.app
       - name: Checkout source
         uses: actions/checkout@v4
-      - name: Restore simulator runtime cache
-        uses: actions/cache@v4
-        with:
-          path: ${{ runner.temp }}/sim-cache.tgz
-          key: sim-${{ runner.os }}-${{ hashFiles('**/Package.resolved') }}-${{ matrix.platform }}-${{ matrix.os_version }}
-      - name: Attempt to Install simulator runtime
-        run: |
-          if [ -f "${RUNNER_TEMP}/sim-cache.tgz" ]; then
-            sudo tar -xzf "${RUNNER_TEMP}/sim-cache.tgz" -C /
-          fi
       - name: Ensure simulator exists
         id: ensure-simulator
         run:  Scripts/ensure-simulator.sh "${{ matrix.platform }}" "${{ matrix.OS_VERSION }}" "${{ matrix.destination }}"
-      - name: Save simulator runtime cache tarball
-        if: steps.ensure-simulator.outputs.downloaded == 'true'
-        run: |
-          sudo tar -czf "${RUNNER_TEMP}/sim-cache.tgz" \
-            /Library/Developer/CoreSimulator/Images \
-            /Library/Developer/CoreSimulator/Cryptex/Images \
-            /Library/Developer/CoreSimulator/Volumes 2>/dev/null || true
       - name: Run tests
         run: |
           xcodebuild -scheme TOMLDecoder-Package -destination "${{ matrix.destination }}" -sdk "${{ matrix.sdk }}" test

Scripts/ensure-simulator.sh

@@ -17,7 +17,6 @@ echo "Destination: $DESTINATION"
 # Extract device name from DESTINATION between name= and ,OS=
 device_part="${DESTINATION#*name=}"
 DEVICE_NAME="${device_part%%,OS=*}"
-downloaded=false
 
 if [ -z "$DEVICE_NAME" ]; then
   echo "::error::Could not parse device name from DESTINATION: $DESTINATION" >&2
@@ -43,7 +42,6 @@ RUNTIME_ID="$(
 
 if [ -z "${RUNTIME_ID:-}" ]; then
   echo "Runtime for $PLATFORM $OS_VERSION not found. Attempting to download platform $PLATFORM..."
-  downloaded=true
   xcodebuild -downloadPlatform "$PLATFORM" -buildVersion "$OS_VERSION" || true
 
   RUNTIME_ID="$(
@@ -98,7 +96,3 @@ if ! xcrun simctl list devices "$PLATFORM $OS_VERSION" | grep -Fq "$DEVICE_NAME
 else
   echo "Device '$DEVICE_NAME' already exists for $PLATFORM $OS_VERSION."
 fi
-
-if [ -n "${GITHUB_OUTPUT:-}" ]; then
-  echo "downloaded=$downloaded" >> "$GITHUB_OUTPUT"
-fi