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Rails 多个 rails 版本如何管理和切换

chenge · November 04, 2012 · Last by chenge replied at November 04, 2012 · 8509 hits

rvm 可对付多个 ruby。

多个 rails 呢？

jesktop #0 November 04, 2012

直接在 gem 里面修改版本号，然后 bundle install 就可以了。

chenge #1 November 04, 2012

谢谢，能说具体点么。怎么改？

jesktop #2 November 04, 2012

你每个项目里的 Gemfile 里面：gem 'rails', '3.2.8'，有个版本号的，可以修改。 '3.2.8'改成'3.1.0'

chenge #3 November 04, 2012

明白了，我试试看。

chenge #5 November 04, 2012

这个有简单办法么？

chenge@debhost:~/ruby/lp1$ bundle install Fetching gem metadata from https://rubygems.org/........... Fetching gem metadata from https://rubygems.org/.. Bundler could not find compatible versions for gem "bundler": In Gemfile: rails (= 3.0.1) ruby depends on bundler (~> 1.0.0) ruby

Current Bundler version: bundler (1.2.1)

This Gemfile requires a different version of Bundler. Perhaps you need to update Bundler by running gem install bundler?

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