test(e2e, ios): add buildcache to ios e2e run to speed up build

cold cache is 20% slower, warm cache is 50% faster

Author: mikehardy

.github/workflows/tests_e2e_ios.yml

@@ -116,13 +116,45 @@ jobs:
           max_attempts: 3
           command: yarn tests:ios:pod:install
 
+      - uses: actions/cache@v2
+        name: Buildcache Cache
+        id: buildcache-cache
+        with:
+          path: ~/.buildcache
+          key: ${{ runner.os }}-v1
+
+      - name: Fetch buildcache
+        uses: nick-invision/retry@v2
+        with:
+          timeout_minutes: 10
+          retry_wait_seconds: 60
+          max_attempts: 3
+          command: cd $HOME && curl -s https://api.github.com/repos/mbitsnbites/buildcache/releases/latest | grep -o "https://.*macos\.zip" | xargs curl -fsLJO
+
+      - name: Install buildcache
+        run: |
+          pwd
+          cd $HOME
+          ls -la
+          unzip buildcache-macos.zip
+          ln -s $HOME/buildcache/bin/buildcache $HOME/buildcache/bin/clang
+          ln -s $HOME/buildcache/bin/buildcache $HOME/buildcache/bin/clang++
+          echo "BUILDCACHE_MAX_CACHE_SIZE=525288000" >> $GITHUB_ENV
+          echo "BUILDCACHE_DEBUG=2" >> $GITHUB_ENV
+          echo "BUILDCACHE_LOG_FILE=$HOME/buildcache.log" >> $GITHUB_ENV
+          echo $HOME/buildcache/bin >> $GITHUB_PATH
+
       - name: Build iOS App
         run: |
+          $HOME/buildcache/bin/buildcache -c
+          $HOME/buildcache/bin/buildcache -s
+          which clang
           export SKIP_BUNDLING=1
           export RCT_NO_LAUNCH_PACKAGER=1
           cd tests
           set -o pipefail
           ./node_modules/.bin/detox build --configuration ios.sim.debug
+          $HOME/buildcache/bin/buildcache -s
         shell: bash
 
       - name: Install applesimutils
@@ -157,6 +189,13 @@ jobs:
           cd tests
           ./node_modules/.bin/nyc ./node_modules/.bin/detox test --debug-synchronization 200 --configuration ios.sim.debug --cleanup
 
+      - name: Upload Buildcache Log
+        uses: actions/upload-artifact@v2
+        if: always()
+        with:
+          name: buildcache_log
+          path: $BUILDCACHE_LOG_FILE
+
       - name: Compress Simulator Log
         if: always()
         run: gzip -9 simulator.log
@@ -165,7 +204,7 @@ jobs:
         uses: actions/upload-artifact@v2
         if: always()
         with:
-          name: simulator_logs
+          name: simulator_log
           path: simulator.log.gz
 
       - name: Submit Coverage

tests/package.json

@@ -52,15 +52,15 @@
     "configurations": {
       "ios.sim.debug": {
         "binaryPath": "ios/build/Build/Products/Debug-iphonesimulator/testing.app",
-        "build": "xcodebuild -workspace ios/testing.xcworkspace -scheme testing -configuration Debug -sdk iphonesimulator -derivedDataPath ios/build -UseModernBuildSystem=YES",
+        "build": "xcodebuild CC=clang CPLUSPLUS=clang++ LD=clang LDPLUSPLUS=clang++ -workspace ios/testing.xcworkspace -scheme testing -configuration Debug -sdk iphonesimulator -derivedDataPath ios/build -UseModernBuildSystem=YES",
         "type": "ios.simulator",
         "device": {
           "type": "iPhone 11"
         }
       },
       "ios.sim.release": {
         "binaryPath": "ios/build/Build/Products/Release-iphonesimulator/testing.app",
-        "build": "export RCT_NO_LAUNCH_PACKAGER=true && xcodebuild -workspace ios/testing.xcworkspace -scheme testing -configuration Release -sdk iphonesimulator -derivedDataPath ios/build -UseModernBuildSystem=YES",
+        "build": "export RCT_NO_LAUNCH_PACKAGER=true && xcodebuild  CC=clang CPLUSPLUS=clang++ LD=clang LDPLUSPLUS=clang++ -workspace ios/testing.xcworkspace -scheme testing -configuration Release -sdk iphonesimulator -derivedDataPath ios/build -UseModernBuildSystem=YES",
         "type": "ios.simulator",
         "device": {
           "type": "iPhone 11"