deployment - 为什么 Heroku 总是找不到 Unresolved 依赖项？

Question

自从上次部署以来，我还没有安装任何 gem，但是
Heroku 一直认为我想有一些新的东西，而且
大大减慢了我的部署时间。我怎样才能确保
我没有收到这条消息？

编辑:

这是来自我的部署消息。不知道……正常吗？

Writing objects: 100% (13/13), 1.88 KiB, done.
Total 13 (delta 10), reused 0 (delta 0)

-----> Heroku receiving push
-----> Rails app detected
-----> Detected Rails is not set to serve static_assets
       Installing rails3_serve_static_assets... done
-----> Gemfile detected, running Bundler version 1.0.7
       Unresolved dependencies detected; Installing...
       Using --without test:development:staging
       Fetching source index for http://rubygems.org/

Answer 1

$ git add Gemfile.lock
$ git commit -m "We should always check in Gemfile.lock in our applications."
$ git push heroku master