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我正在通過Rails 3.2版的Ruby on Rails Tutorial，並且接近第5章的末尾。雖然它幾天前接受了我的代碼，但Heroku當我推動時不再想要接受它。它抱怨說它需要一個Gemfile.lock，我可以理解 - 但我已經提供了一個。先前將Gemfile.lock從存儲庫中取出後部署Rails應用程序
幾天前，我從存儲庫中刪除了Gemfile.lock，因爲我在Windows上啓動了這個項目，並因此而跑到Bundler地獄。那時，我將Gemfile.lock的名字添加到.gitignore中，但現在我已經從.gitignore中刪除了它的名字並將其重新添加回去;但Heroku仍然認爲它沒有承諾。
我該怎麼辦？除了在當前階段重新添加Gemfile.lock，我嘗試使用重新綁定來刪除首先將其刪除的提交。我也從Heroku完全刪除了應用程序並重新添加它（使用相同的名稱和不同的名稱）。另外，儘管我沒有在shell會話中捕獲它，但在這之前我確實運行了bundle update以確保Gemfile.lock與Gemfile匹配。
這裏是我的bash命令：
$ type ssha-heroku
ssha-heroku is aliased to `eval `ssh-agent`; ssh-add -t 5m ~/.ssh/heroku.id_rsa'
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ ssha-heroku
Agent pid 19642
Enter passphrase for /Users/eric/.ssh/heroku.id_rsa:
Identity added: /Users/eric/.ssh/heroku.id_rsa (/Users/eric/.ssh/heroku.id_rsa)
Lifetime set to 300 seconds
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git push heroku master
Counting objects: 384, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (260/260), done.
Writing objects: 100% (384/384), 60.58 KiB, done.
Total 384 (delta 172), reused 215 (delta 86)
-----> Ruby/NoLockfile app detected
!
! Gemfile.lock required. Please check it in.
!
! Heroku push rejected, failed to compile Ruby/nolockfile app
To [email protected]:stormy-coast-5058.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to '[email protected]:stormy-coast-5058.git'
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git ls-files |grep Gemfile
Gemfile
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ vim .gitignore # here I remove the line ignoring Gemfile.lock
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git add .gitignore Gemfile.lock
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git commit -m 'Stop ignoring Gemfile.lock so we can deploy to Heroku'
[master 1b691f1] Stop ignoring Gemfile.lock so we can deploy to Heroku
2 files changed, 182 insertions(+), 6 deletions(-)
create mode 100644 Gemfile.lock
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git ls-files |grep Gemfile
Gemfile
Gemfile.lock
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$ git push heroku master
Counting objects: 387, done.
Delta compression using up to 2 threads.
Compressing objects: 100% (263/263), done.
Writing objects: 100% (387/387), 60.90 KiB, done.
Total 387 (delta 174), reused 215 (delta 86)
-----> Ruby/Rails app detected
-----> Installing dependencies using Bundler version 1.3.2
Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment
You are trying to install in deployment mode after changing
your Gemfile. Run `bundle install` elsewhere and add the
updated Gemfile.lock to version control.
You have added to the Gemfile:
* rb-inotify (~> 0.9)
* libnotify (= 0.5.9)
You have deleted from the Gemfile:
* rb-fsevent (= 0.9.1)
* terminal-notifier-guard (= 1.5.3)
!
! Failed to install gems via Bundler.
!
! Heroku push rejected, failed to compile Ruby/rails app
To [email protected]:stormy-coast-5058.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to '[email protected]:stormy-coast-5058.git'
[email protected] ~/Scripts/Rails/railstutorial/sample_app
$