ci: no need to include branch in the cache key

Author: haoqunjiang

.circleci/config.yml

@@ -18,10 +18,10 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - v2-vue-cli-{{ .Branch }}-{{ checksum "yarn.lock" }}
+            - v2-vue-cli-{{ checksum "yarn.lock" }}
       - run: yarn --network-timeout 600000
       - save_cache:
-          key: v2-vue-cli-{{ .Branch }}-{{ checksum "yarn.lock" }}
+          key: v2-vue-cli-{{ checksum "yarn.lock" }}
           paths:
             - node_modules/
             - ~/.cache
@@ -55,11 +55,11 @@ jobs:
       - restore_cache:
           keys:
             # TODO: should use a more accurate cache key
-            - v2-vue-cli-offline-{{ .Branch }}-{{ checksum "yarn.lock" }}
+            - v2-vue-cli-offline-{{ checksum "yarn.lock" }}
       - run: yarn config set yarn-offline-mirror ~/npm-packages-offline-cache
       - run: yarn test -p cli-service-global,eslint,pwa,babel,babel-preset-app,vuex,router
       - save_cache:
-          key: v2-vue-cli-offline-{{ .Branch }}-{{ checksum "yarn.lock" }}
+          key: v2-vue-cli-offline-{{ checksum "yarn.lock" }}
           paths:
             - ~/npm-packages-offline-cache