fix: update CircleCI config to use the RN version in tarball caching

Author: Riccardo Cipolleschi

.circleci/config.yml

@@ -55,8 +55,8 @@ references:
     hermes_workspace_debug_cache_key: &hermes_workspace_debug_cache_key v2-hermes-{{ .Environment.CIRCLE_JOB }}-debug-{{ checksum "/tmp/hermes/hermesversion" }}
     hermes_workspace_release_cache_key: &hermes_workspace_release_cache_key v2-hermes-{{ .Environment.CIRCLE_JOB }}-release-{{ checksum "/tmp/hermes/hermesversion" }}
     hermes_windows_cache_key: &hermes_windows_cache_key v3-hermes-{{ .Environment.CIRCLE_JOB }}-{{ checksum "tmp/hermes/hermesversion" }}
-    hermes_tarball_debug_cache_key: &hermes_tarball_debug_cache_key v3-hermes-tarball-debug-{{ checksum "/tmp/hermes/hermesversion" }}
-    hermes_tarball_release_cache_key: &hermes_tarball_release_cache_key v2-hermes-tarball-release-{{ checksum "/tmp/hermes/hermesversion" }}
+    hermes_tarball_debug_cache_key: &hermes_tarball_debug_cache_key v3-hermes-tarball-debug-{{ checksum "/tmp/hermes/hermesversion" }}-{{ checksum "/tmp/react-native-version"}}
+    hermes_tarball_release_cache_key: &hermes_tarball_release_cache_key v2-hermes-tarball-release-{{ checksum "/tmp/hermes/hermesversion" }}-{{ checksum "/tmp/react-native-version"}}
     pods_cache_key: &pods_cache_key v8-pods-{{ .Environment.CIRCLE_JOB }}-{{ checksum "packages/rn-tester/Podfile.lock.bak" }}-{{ checksum "packages/rn-tester/Podfile" }}
     windows_yarn_cache_key: &windows_yarn_cache_key v1-win-yarn-cache-{{ arch }}-{{ checksum "yarn.lock" }}
     yarn_cache_key: &yarn_cache_key v5-yarn-cache-{{ .Environment.CIRCLE_JOB }}
@@ -272,6 +272,12 @@ commands:
         type: string
         default: *hermes_tarball_artifacts_dir
     steps:
+      - run:
+          name: Get React Native version
+          command: |
+            VERSION=$( grep '"version"' package.json | cut -d '"' -f 4 | head -1)
+            # Save the react native version we are building in a file so we can use that file as part of the cache key.
+            echo "$VERSION" > /tmp/react-native-version
       - when:
           condition:
             equal: [ << parameters.flavor >>, "Debug"]