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The bugs about Bundler 1.17.2 included in Ruby 2.6.1

I’m confusing…

If I would like to use Ruby 2.6.1, should I do following steps?:

  1. Install Ruby 2.6.1
  2. Run gem install bundler to install Bundler 2.0.1
  3. Run gem update --system to update Bundler installed as default gems

Or, should I not use Ruby 2.6.1 and wait for Ruby 2.6.2 to be released?

Reports

Tests

Case A: Gemfile.lock generated by Bundler 1.17.3

Specify version of a default gem like csv in Gemfile.

$ bundle -v
Bundler version 1.17.3
$ bundle init
$ echo 'gem "csv", "3.0.3"' >> Gemfile
$ bundle install
$ cat Gemfile.lock
GEM
  remote: https://rubygems.org/
  specs:
    csv (3.0.3)

PLATFORMS
  ruby

DEPENDENCIES
  csv (= 3.0.3)

BUNDLED WITH
   1.17.3

Default:

  • ruby -rbundler/setup can load specified version
  • bundle exec -rbundler/setup can’t load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# ruby -v
ruby 2.6.1p33 (2019-01-30 revision 66950) [x86_64-linux]
# gem -v
3.0.1
# bundle -v
Bundler version 1.17.2
# gem list bundler

*** LOCAL GEMS ***

bundler (default: 1.17.2)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.4

When installed bundler 1.17.3 using gem command:

  • ruby -rbundler/setup can’t activate bundler
  • bundle exec ruby -rbundler/setup can load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# gem install bundler -v 1.17.3 --no-document
# bundle -v
Bundler version 1.17.3
# gem list bundler

*** LOCAL GEMS ***

bundler (1.17.3, default: 1.17.2)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
Traceback (most recent call last):
        9: from /usr/lib64/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        8: from /usr/lib64/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
        7: from /usr/lib64/ruby/2.6.0/bundler/setup.rb:10:in `<top (required)>'
        6: from /usr/lib64/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler.rb:107:in `setup'
        5: from /usr/lib64/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/runtime.rb:26:in `setup'
        4: from /usr/lib64/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/runtime.rb:26:in `map'
        3: from /usr/lib64/ruby/2.6.0/forwardable.rb:230:in `each'
        2: from /usr/lib64/ruby/2.6.0/forwardable.rb:230:in `each'
        1: from /usr/lib64/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/runtime.rb:31:in `block in setup'
/usr/lib64/ruby/gems/2.6.0/gems/bundler-1.17.3/lib/bundler/runtime.rb:319:in `check_for_activated_spec!': You have already activated bundler 1.17.3, but your Gemfile requires bundler 1.17.2. Prepending `bundle exec` to your command may solve this. (Gem::LoadError)
# bundle exec ruby -rbundler/setup -e 'puts Bundler::VERSION'
1.17.3
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3

When updated bundler of default gems:

  • ruby -rbundler/setup can load specified version
  • bundle exec -rbundler/setup can load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# gem update --system
# bundle -v
Bundler version 1.17.3
# gem list bundler

*** LOCAL GEMS ***

bundler (default: 1.17.3)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -e 'puts Bundler::VERSION'
1.17.3
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3
# bundle exec ruby -rbundler/setup -e 'puts Bundler::VERSION'
1.17.3
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3

When installed bundler 2.0.1 using gem command and updated bundler of default gems:

  • ruby -rbundler/setup can load specified version
  • bundle exec -rbundler/setup can load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# gem install bundler --no-document
# gem update --system
# gem -v
3.0.2
# bundle -v
Bundler version 2.0.1
# gem list bundler

*** LOCAL GEMS ***

bundler (2.0.1, default: 1.17.3)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -e 'puts Bundler::VERSION'
1.17.3
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3
# bundle exec ruby -rbundler/setup -e 'puts Bundler::VERSION'
1.17.3
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3

Generate Gemfile.lock using Bundler 2.0.1

Specify version of a default gem like csv in Gemfile.

$ bundle -v
Bundler version 2.0.1
$ bundle init
$ echo 'gem "csv", "3.0.3"' >> Gemfile
$ bundle install
$ cat Gemfile.lock
GEM
  remote: https://rubygems.org/
  specs:
    csv (3.0.3)

PLATFORMS
  ruby

DEPENDENCIES
  csv (= 3.0.3)

BUNDLED WITH
   2.0.1

Default:

  • bundle install failed
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# ruby -v
ruby 2.6.1p33 (2019-01-30 revision 66950) [x86_64-linux]
# gem -v
3.0.1
# bundle -v
Bundler version 1.17.2
# gem list bundler

*** LOCAL GEMS ***

bundler (default: 1.17.2)
# cp /mnt/Gemfile* .
# bundle install --deployment
Traceback (most recent call last):
        2: from /usr/bin/bundle:23:in `<main>'
        1: from /usr/lib64/ruby/2.6.0/rubygems.rb:302:in `activate_bin_path'
/usr/lib64/ruby/2.6.0/rubygems.rb:283:in `find_spec_for_exe': Could not find 'bundler' (2.0.1) required by your /Gemfile.lock. (Gem::GemNotFoundException)
To update to the latest version installed on your system, run `bundle update --bundler`.
To install the missing version, run `gem install bundler:2.0.1`

When installed bundler 2.0.1 using gem command:

  • ruby -rbundler/setup can’t boot bundler
  • bundle exec ruby -rbundler/setup can load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# gem install bundler -v 2.0.1 --no-document
# bundle -v
Bundler version 2.0.1
# gem list bundler

*** LOCAL GEMS ***

bundler (2.0.1, default: 1.17.2)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -e 'puts Bundler::VERSION'
You must use Bundler 2 or greater with this lockfile.
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
You must use Bundler 2 or greater with this lockfile.
# bundle exec ruby -rbundler/setup -e 'puts Bundler::VERSION'
2.0.1
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3

When installed bundler 2.0.1 using gem command and updated bundler of default gems:

  • ruby -rbundler/setup can load specified version
  • bundle exec -rbundler/setup can load specified version
$ docker run --rm -it -v(pwd):/mnt centos:7 bash
# yum install -y https://github.com/feedforce/ruby-rpm/releases/download/2.6.1/ruby-2.6.1-1.el7.centos.x86_64.rpm
# gem install bundler --no-document
# gem update --system
# gem -v
3.0.2
# bundle -v
Bundler version 2.0.1
# gem list bundler

*** LOCAL GEMS ***

bundler (2.0.1, default: 1.17.3)
# cp /mnt/Gemfile* .
# bundle install --deployment
# ruby -rbundler/setup -e 'puts Bundler::VERSION'
2.0.1
# ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3
# bundle exec ruby -rbundler/setup -e 'puts Bundler::VERSION'
2.0.1
# bundle exec ruby -rbundler/setup -rcsv -e 'puts CSV::VERSION'
3.0.3