redmine@redmine:~/redmine$ bundle install --without development test postgresql sqlite
Warning: this Gemfile contains multiple primary sources. Using `source` more than once without a block is a security risk, and may result in installing unexpected gems. To resolve this warning, use a block to indicate which gems should come from the secondary source. To upgrade this warning to an error, run `bundle config disable_multisource true`.

[!] There was an error parsing `Gemfile`:
[!] There was an error parsing `Gemfile`: You cannot specify the same gem twice with different version requirements.
You specified: redcarpet (~> 3.3.2) and redcarpet (~> 3.1.2). Bundler cannot continue.

 #  from /opt/redmine/redmine-3.2.0/plugins/redmine_git_hosting/Gemfile:9
 #  -------------------------------------------
 #  gem 'gitlab-grack', git: 'https://github.com/jbox-web/grack.git', require: 'grack', branch: 'fix_rails4'
 >  gem 'redcarpet', '~> 3.1.2'
 #
 #  -------------------------------------------
. Bundler cannot continue.

 #  from /opt/redmine/redmine-3.2.0/Gemfile:110
 #  -------------------------------------------
 #  Dir.glob File.expand_path("../plugins/*/{Gemfile,PluginGemfile}", __FILE__) do |file|
 >    eval_gemfile file
 #  end
 #  -------------------------------------------
redmine@redmine:~/redmine$