しようとすると
$rvm requirements
エラーが発生しました：これから回復する方法（Mac osx 10.7）
Checking requirements for osx.
Installing requirements for osx.
Updating system.......
Error running 'requirements_osx_brew_update_system ',
please read /Users/HARSHA/.rvm/log/1380096954/update_system.log
Requirements installation failed with status: 1.
HARSHA:~ HARSHA$ rvm requirements
Checking requirements for osx.
Installing requirements for osx.
Updating system.......
Error running 'requirements_osx_brew_update_system ',
please read /Users/HARSHA/.rvm/log/1380096969/update_system.log
Requirements installation failed with status: 1.