Ruby rvm安装1.9.3-head:错误排序：无效选项--V

正在尝试在OSX Lion 10.7.3上安装ruby 1.9.3。在安装过程中，我收到以下错误：

ruby-1.9.3-head - #installing 
sort: invalid option -- V
Try `sort --help' for more information.
sed: 1: "/"name": / {s/^.*".*":  ...": extra characters at the end of p command
Retrieving rubygems-
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404
The requested url does not exist: 'http://production.cf.rubygems.org/rubygems/rubygems-.tgz'
Trying ftp:// URL instead.
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                             Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:01:15 --:--:--     0
curl: (56) response reading failed 
There was an error, please check /Users/jakenathan/.rvm/log/ruby-1.9.3-head/*.log
There has been an error while trying to fetch the source. 
Halting the installation.
ruby-1.9.3-head - adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
ruby-1.9.3-head - #importing default gemsets (/Users/jakenathan/.rvm/gemsets/)
Install of ruby-1.9.3-head - #complete 

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我没有macbook来测试这个。但是根据对for git hook的讨论，mac中的sort命令缺少'-V'选项

我建议你：

由于尚未提供正在运行的RVM版本，请更新至最新版本。还可以尝试更新git

发布错误日志文件内容

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这是RVM中的一个错误，通过此提交已修复：

更新至最新的开发代码，包括：

rvm get head

这个问题将得到解决