ruby - 为什么 Middleman 在安装后不包含 rb-inotify 和 therubyracer gem？

Question

我有:

$ ruby -v
ruby 1.9.2p290 (2011-07-09 revision 32553) [i686-linux]
$ middleman version
Middleman 2.0.13.1
$ cat /etc/debian_version 
6.0.3

如果我这样开始一个项目:

$ middleman init np --rack --bundler --template=html5       create  np/config.ru      create  np/Gemfile         run  bundle installFetching source index for http://rubygems.org/Using multi_json (1.0.3) Using activesupport (3.1.1) Using addressable (2.2.6) Using chunky_png (1.2.5) Using coffee-script-source (1.1.2) Using execjs (1.2.9) Using coffee-script (2.2.0) Using fssm (0.2.7) Using sass (3.1.10) Using compass (0.11.5) Using daemons (1.1.4) Using eventmachine (0.12.10) Using em-websocket (0.3.3) Using thor (0.14.6) Using guard (0.6.3) Using guard-livereload (0.3.1) Using haml (3.1.3) Using hike (1.2.1) Using rack (1.3.5) Using url_mount (0.2.1) Using http_router (0.10.2) Using i18n (0.6.0) Using syntax (1.0.0) Using maruku (0.6.0) Using middleman-livereload (0.2.1) Using rack-protection (1.1.4) Using tilt (1.3.3) Using sinatra (1.3.1) Using padrino-core (0.10.5) Using padrino-helpers (0.10.5) Using rack-test (0.6.1) Using temple (0.3.4) Using slim (1.0.3) Using sprockets (2.0.3) Using thin (1.2.11) Using uglifier (1.0.4) Using middleman (2.0.13.1) Using bundler (1.0.21) Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.      create  np/config.rb      create  np/source      create  np/source/404.html      create  np/source/README.md      create  np/source/apple-touch-icon-114x114-precomposed.png      create  np/source/apple-touch-icon-57x57-precomposed.png      create  np/source/apple-touch-icon-72x72-precomposed.png      create  np/source/apple-touch-icon-precomposed.png      create  np/source/apple-touch-icon.png      create  np/source/crossdomain.xml      create  np/source/css/style.css      create  np/source/favicon.ico      create  np/source/humans.txt      create  np/source/img/.gitignore      create  np/source/index.html      create  np/source/js/libs/jquery-1.6.2.js      create  np/source/js/libs/jquery-1.6.2.min.js      create  np/source/js/libs/modernizr-2.0.6.min.js      create  np/source/js/mylibs/.gitignore      create  np/source/js/plugins.js      create  np/source/js/script.js      create  np/source/robots.txt      create  np/source/test/index.html      create  np/source/test/qunit/qunit.css      create  np/source/test/qunit/qunit.js      create  np/source/test/tests.js       exist  np/source

并进入目录以运行预览:

$ cd np/$ middleman serverPlease install rb-inotify gem for Linux inotify supportUsing polling (Please help us to support your system better than that.)Using inline Guardfile.Guard is now watching at '/tmp/np'/home/blt/.rvm/gems/ruby-1.9.2-p290/gems/execjs-1.2.9/lib/execjs/runtimes.rb:47:in `autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/execjs-1.2.9/lib/execjs.rb:5:in `'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/execjs-1.2.9/lib/execjs.rb:4:in `'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `require'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/coffee-script-2.2.0/lib/coffee_script.rb:1:in `'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/renderers/coffee_script.rb:4:in `require'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/renderers/coffee_script.rb:4:in `registered'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1262:in `block in register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `each'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/core_extensions/rendering.rb:14:in `registered'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1262:in `block in register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `each'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/base.rb:54:in `registered'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1262:in `block in register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `each'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/sinatra-1.3.1/lib/sinatra/base.rb:1260:in `register'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman.rb:180:in `server'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman.rb:191:in `start_server'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/guard.rb:58:in `block in server_start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/guard.rb:57:in `fork'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/guard.rb:57:in `server_start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/guard.rb:47:in `start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/guard-0.6.3/lib/guard.rb:66:in `supervised_task'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/guard-0.6.3/lib/guard.rb:43:in `block in start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/guard-0.6.3/lib/guard.rb:43:in `each'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/guard-0.6.3/lib/guard.rb:43:in `start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/guard.rb:34:in `start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/lib/middleman/cli.rb:55:in `server'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/task.rb:22:in `run'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/invocation.rb:118:in `invoke_task'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor.rb:263:in `dispatch'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/thor-0.14.6/lib/thor/base.rb:389:in `start'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/bin/middleman:52:in `start_cli!'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/bin/middleman:47:in `did_locate_middleman_project'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/bin/middleman:20:in `locate_middleman_root!'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/gems/middleman-2.0.13.1/bin/middleman:70:in `'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/bin/middleman:19:in `load'    from /home/blt/.rvm/gems/ruby-1.9.2-p290/bin/middleman:19:in `'Bye bye...

尽管如此:

$ gem list | grep racertherubyracer (0.9.8)$ gem list | grep inotifyrb-inotify (0.8.8)

我关注了 RVM Installation Guide和中间人Getting Started .中间人无法启动服务器的任何想法？

Answer 1

中间人服务器 似乎使用了一个完全基于 Gemfile 的沙箱。如果您已全局安装这些 gem，它们将不会在运行时出现在沙箱中。 middleman init 创建的原始 Gemfile 如下所示:

source "http://rubygems.org"
gem "middleman", "~>2.0.13.1"

将其编辑为:

source "http://rubygems.org"

gem "middleman", "~>2.0.13.1"
gem "rb-inotify"
gem "therubyracer"

如果您愿意，您可以不那么懒惰并通过操作系统对其进行参数化。