Issue #15469 has been updated by hsbt (Hiroshi SHIBATA).

File r15469-bundler-final.patch added

I attached the patch of the upstream fixes.

The bundler team will ship Bundler 1.7.4/2.0.2 with this patch.

----------------------------------------
Bug #15469: Ruby2.6 included `bundler` does not handle specified `csv` gem.
https://bugs.ruby-lang.org/issues/15469#change-76665

* Author: watson1978 (Shizuo Fujita)
* Status: Closed
* Priority: Normal
* Assignee: hsbt (Hiroshi SHIBATA)
* Target version: 
* ruby -v: 
* Backport: 2.4: DONTNEED, 2.5: DONTNEED, 2.6: REQUIRED
----------------------------------------
I want to use `csv` library which is same version of Ruby 2.5.
Because Ruby 2.6's csv library has some breaking changes and they break our product.

However, Ruby 2.6's `bundler` does not handle `csv` which I specified the version.

## Test code

* Gemfile

```
source "https://rubygems.org"

gem 'roo'
gem 'csv', '1.0.0'
```

* test.rb

```
require "bundler/setup"
require "csv"

p CSV::VERSION
```

## Result

```
$ bundle exec ruby -v test.rb
ruby 2.6.0p0 (2018-12-25 revision 66547) [x86_64-darwin18]
"3.0.2"
```

`CSV::VERSION` shows `3.0.2` and  it indicates that Ruby 2.6 included `csv` library was used.

## Workaround
If I install the `bundler` gem through `gem install bundler`, it works well.

```
$ gem install bundler
Fetching bundler-1.17.3.gem
Successfully installed bundler-1.17.3
1 gem installed

$ bundle exec ruby -v test.rb
ruby 2.6.0p0 (2018-12-25 revision 66547) [x86_64-darwin18]
"2.4.8"
```

---Files--------------------------------
15469-bundler-loadpath.patch (528 Bytes)
r15469-bundler-final.patch (1.69 KB)


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