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我已经安装了ruby和rails一段时间，并在一些项目上工作。最近，我安装了Xcode 5开发人员预览版，以便让我的应用程序能够准备好用于iOS 7.我只是提到了这一点，以防新Xcode搞砸了。RVM ruby安装问题
在Rails项目目录试图
rake asets:precompile
，当我第一次注意到这个错误。它给出以下错误：
/Users/User/.rvm/bin/ruby:line 6：/Users/User/.rvm/bin/ruby：参数列表太长 /Users/User/.rvm/箱/红宝石：行6：/Users/User/.rvm/bin/ruby：未定义错误：0
当我尝试：
ruby -v
终端窗口提供在第一没有响应时，终端标题在“bash”和“env”之间闪烁，但随后显示以下错误：
/Users/User/.rvm/bin/ruby: line 6: /Users/User/.rvm/bin/ruby: Argument list too long
/Users/User/.rvm/bin/ruby: line 6: /Users/User/.rvm/bin/ruby: Undefined error: 0
，当我尝试
rvm get stable
我得到：
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 184 100 184 0 0 67 0 0:00:02 0:00:02 --:--:-- 163
100 13774 100 13774 0 0 3469 0 0:00:03 0:00:03 --:--:-- 75267
Downloading RVM from wayneeseguin branch stable
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 124 100 124 0 0 227 0 --:--:-- --:--:-- --:--:-- 306
100 1080k 100 1080k 0 0 286k 0 0:00:03 0:00:03 --:--:-- 491k
Upgrading the RVM installation in /Users/User/.rvm/
chmod: Unable to change file mode on /Users/User/.rvm/scripts/aliases: Operation not permitted
chmod: Unable to change file mode on /Users/User/.rvm/scripts/fix-permissions: Operation not permitted
chmod: Unable to change file mode on /Users/User/.rvm/scripts/irbrc: Operation not permitted
chmod: Unable to change file mode on /Users/User/.rvm/scripts/irbrc.rb: Operation not permitted
Failed to set permissions of: /Users/User/.rvm/scripts/aliases /Users/User/.rvm/scripts/fix-permissions /Users/User/.rvm/scripts/irbrc /Users/User/.rvm/scripts/irbrc.rb, prefix the command with 'rvmsudo' to fix it, if the situation persist report a bug.
RVM PATH line found in /Users/User/.bashrc /Users/User/.zshrc.
RVM sourcing line found in /Users/User/.bash_profile /Users/User/.zprofile.
Upgrade of RVM in /Users/User/.rvm/ is complete.
# User,
#
# Thank you for using RVM!
# I sincerely hope that RVM helps to make your life easier and more enjoyable!!!
#
# ~Wayne
# In case of problems:
# run and read: rvm notes
# read docs: http://rvm.io/
# talk to us: http://webchat.freenode.net/?channels=rvm (http://freenode.net/faq.shtml#plusr)
# read cheatsheet: http://cheat.errtheblog.com/s/rvm
# watch screencast: http://screencasts.org/episodes/how-to-use-rvm
# open a bug report: https://github.com/wayneeseguin/rvm/issues
Upgrade Notes:
* No new notes to display.
RVM reloaded!
最后，当我输入：
rvm install ruby-2.0.0-p247
我得到：
Searching for binary rubies, this might take some time.
No binary rubies available for: osx/10.8/x86_64/ruby-2.0.0-p247.
Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
Installing Ruby from source to: /Users/User/.rvm/rubies/ruby-2.0.0-p247, this may take a while depending on your cpu(s)...
ruby-2.0.0-p247 - #downloading ruby-2.0.0-p247, this may take a while depending on your connection...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 10.3M 100 10.3M 0 0 129k 0 0:01:21 0:01:21 --:--:-- 264k
ruby-2.0.0-p247 - #extracting ruby-2.0.0-p247 to /Users/User/.rvm/src/ruby-2.0.0-p247
ruby-2.0.0-p247 - #extracted to /Users/User/.rvm/src/ruby-2.0.0-p247
ruby-2.0.0-p247 - #configuring....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
ruby-2.0.0-p247 - #compiling........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
ruby-2.0.0-p247 - #installing..................................................................................................................................
Retrieving rubygems-2.0.6
Extracting rubygems-2.0.6 ...
Removing old Rubygems files...
Installing rubygems-2.0.6 for ruby-2.0.0-p247...................................
Error running 'env GEM_PATH=/Users/User/.rvm/gems/ruby-2.0.0-p247:/Users/User/.rvm/gems/[email protected]:/Users/User/.rvm/gems/ruby-2.0.0-p247:/Users/User/.rvm/gems/[email protected] GEM_HOME=/Users/User/.rvm/gems/ruby-2.0.0-p247 /Users/User/.rvm/rubies/ruby-2.0.0-p247/bin/ruby -d /Users/User/.rvm/src/rubygems-2.0.6/setup.rb',
please read /Users/User/.rvm/log/ruby-2.0.0-p247/1374852277_rubygems.install.log
Installation of rubygems did not complete successfully.
Saving wrappers to '/Users/User/.rvm/wrappers/ruby-2.0.0-p247'........
ruby-2.0.0-p247 - #adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
ruby-2.0.0-p247 - #importing default gemsets, this may take time...............................
Install of ruby-2.0.0-p247 - #complete
，但它仍然与以前一样。
据我所知我没有改变系统的任何东西，我只安装了新的Xcode。有人知道这里有什么错吗？不幸的是，这些rvm/ruby /终端命令，或者更确切地说，这个ruby安装路径权限的东西对我来说还是很新的。非常感谢您的宝贵时间！
谢谢，这是一个拯救生命的:) – Unrealist