[No QA] Opt out of crashlytics with environment variable

.env.production

@@ -6,3 +6,4 @@ EXPENSIFY_PARTNER_PASSWORD=e21965746fd75f82bb66
 PUSHER_APP_KEY=268df511a204fbb60884
 USE_WEB_PROXY=false
 ENVIRONMENT=production
+SEND_CRASH_REPORTS=true

.env.staging

@@ -6,3 +6,4 @@ EXPENSIFY_PARTNER_PASSWORD=e21965746fd75f82bb66
 PUSHER_APP_KEY=268df511a204fbb60884
 USE_WEB_PROXY=false
 ENVIRONMENT=staging
+SEND_CRASH_REPORTS=true

src/CONFIG.js

@@ -72,4 +72,5 @@ export default {
     ONYX_METRICS: lodashGet(Config, 'ONYX_METRICS', 'false') === 'true',
     DEV_PORT: process.env.PORT || 8080,
     E2E_TESTING: lodashGet(Config, 'E2E_TESTING', 'false') === 'true',
+    SEND_CRASH_REPORTS: lodashGet(Config, 'SEND_CRASH_REPORTS', 'false') === 'true',
 };

src/setup/platformSetup/index.native.js

@@ -1,3 +1,5 @@
+import crashlytics from '@react-native-firebase/crashlytics';
+import CONFIG from '../../CONFIG';
 import PushNotification from '../../libs/Notification/PushNotification';
 import * as Report from '../../libs/actions/Report';
 import Performance from '../../libs/Performance';
@@ -13,6 +15,13 @@ import '@formatjs/intl-numberformat/locale-data/en';
 import '@formatjs/intl-numberformat/locale-data/es';
 
 export default function () {
+    // We do not want to send crash reports if we are on a locally built release version of the app.
+    // Crashlytics is disabled by default for debug builds, but not local release builds so we are using
+    // an environment variable to enable them in the staging & production apps and opt-out everywhere else.
+    if (!CONFIG.SEND_CRASH_REPORTS) {
+        crashlytics().setCrashlyticsCollectionEnabled(false);
+    }
+
     /*
      * Register callbacks for push notifications.
      * When the app is completely closed, this code will be executed by a headless JS process thanks to magic in the UrbanAirship RN library.