* 28917a4 2013-04-13 | Updated Rakefile (HEAD, greet) [Jim Weirich]
* 4dac415 2013-04-13 | Hello uses Greeter [Jim Weirich]
* 39347b3 2013-04-13 | Added greeter class [Jim Weirich]
* 96ee164 2013-04-13 | Added a Rakefile. (master) [Jim Weirich]
* 0f36766 2013-04-13 | Moved hello.rb to lib [Jim Weirich]
* eb30103 2013-04-13 | Add an author/email comment [Jim Weirich]
* 582495a 2013-04-13 | Added a default value (v1-beta) [Jim Weirich]
* 323e28d 2013-04-13 | Using ARGV [Jim Weirich]
$ git checkout master
Switched to branch 'master'
$ cat lib/hello.rb
# Default is World
# Author: Jim Weirich (jim@somewhere.com)
name = ARGV.first || "World"
puts "Hello, #{name}!"
回到 Greet 分支
Switched to branch 'greet'
$ cat lib/hello.rb
require 'greeter'
# Default is World
name = ARGV.first || "World"
puts greeter.greet