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rbenvでRubyのバージョンアップをする(for Mac)

More than 1 year has passed since last update.

rbenvでrubyバージョン2.3.5にする

新しいバージョンのインストール

ruby-buildを最新にする

$ brew update
$ brew upgrade rbenv ruby-build

インストール可能なリストを表示する

$ rbenv install -l

ruby-buildが最新なのに、インストール可能なリストに新しいバージョンが表示されない場合

$ cd ~/.rbenv/plugins/ruby-build
$ git pull

新しいRubyバージョンのインストール

$ rbenv install 2.3.5

インストール済みのrbenvを確認する

$ rbenv versions

以下をプロジェクトのルートディレクトリで行う

バージョンアップをする

$rbenv local 2.3.5

bundlerのインストール

$ gem update bundler
$ gem install bundler

gem 再インストール

$ bundle install
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