ci: minor improvements (#6895)

.circleci/config.yml

@@ -1,7 +1,5 @@
 # Javascript Node CircleCI 2.1 configuration file
 #
-# Check https://circleci.com/docs/2.0/language-javascript/ for more details
-#
 version: 2.1
 
 executors:
@@ -19,7 +17,7 @@ executors:
 
   macos-executor:
     macos:
-      xcode: 11.4.1
+      xcode: 11.5.0
 
 test_env_vars: &test_env_vars
   environment:
@@ -29,20 +27,6 @@ test_env_vars: &test_env_vars
     NPM_EMAIL: circleci@amplify.js
 
 commands:
-  restore_pods:
-    steps:
-      - restore_cache:
-          keys:
-            - v1-storage-app-pods-{{ checksum "ios/Podfile.lock" }}
-            - v1-storage-app-pods-
-
-  save_pods:
-    steps:
-      - save_cache:
-          key: v1-storage-app-pods-{{ checksum "ios/Podfile.lock" }}
-          paths:
-            - ios/Pods
-
   publish_to_verdaccio:
     steps:
       - run:
@@ -138,13 +122,11 @@ commands:
           command: |
             echo "Current NPM registry: " $(yarn config get registry)
             ~/amplify-js/.circleci/retry-yarn-script.sh -s 'install --frozen-lockfile --non-interactive' -n 3
-      - restore_pods
       - run:
           name: Install CocoaPods
           command: |
             cd ios
             pod install
-      - save_pods
       - run:
           background: true
           command: xcrun simctl boot "iPhone 11" || true
@@ -279,10 +261,22 @@ jobs:
     executor: build-executor
     steps:
       - checkout
-      - run: yarn config set workspaces-experimental true
-      - run: yarn --frozen-lockfile
-      - run: yarn run bootstrap
-      - run: yarn run build
+      - run:
+          name: yarn install --non-interactive
+          # temporarily rename .yarnrc before installing so that we can generate a yarn.lock artifact
+          command: |
+            mv .yarnrc ._yarnrc
+            yarn
+      - run: yarn build
+      # storing yarn.lock as an artifact, so that we can quickly get a dependency diff
+      # with the last working build in the event that some upstream deps break the build in the future
+      - store_artifacts:
+          path: yarn.lock
+      - run:
+          name: delete lockfile after persisting
+          command: |
+            mv ._yarnrc .yarnrc
+            rm yarn.lock
       - save_cache:
           key: amplify-ssh-deps-{{ .Branch }}
           paths:
@@ -300,8 +294,8 @@ jobs:
       - run:
           name: 'Run Amplify JS unit tests'
           command: |
-            yarn run test
-            yarn run coverage
+            yarn test
+            yarn coverage
 
   integ_setup:
     executor: build-executor

.gitignore

@@ -16,3 +16,4 @@ packages/**/cjs/
 *.log
 .npm/
 packages/**/cypress/videos/
+yarn.lock