RuggedRuby的Git开发包

Rugged 是一个 Git 的 Ruby 开发包，使用 libgit2 API

安装方法：

$ gem install rugged

使用方法：

require 'rugged'

repo = Rugged::Repository.new('path/to/my/repository')
# => #<Rugged::Repository:2228536260 {path: "path/to/my/repository/.git/"}>

Rugged::Repository.init_at('.', :bare)

Rugged::Repository.discover("/Users/me/projects/repo/lib/subdir/")
# => "/Users/me/projects/repo/.git/"

# Does the given SHA1 exist in this repository?
repo.exists?('07b44cbda23b726e5d54e2ef383495922c024202')
# => true

# Boolean repository state values:
repo.bare?
# => false
repo.empty?
# => true
repo.head_orphan?
# => false
repo.head_detached?
# => false

# Path accessors
repo.path
# => "path/to/my/repository/.git/"
repo.workdir
# => "path/to/my/repository/"

# The HEAD of the repository.
ref = repo.head
# => #<Rugged::Reference:2228467240 {name: "refs/heads/master", target: "07b44cbda23b726e5d54e2ef383495922c024202"}>

# From the returned ref, you can also access the `name` and `target`:
ref.name
# => "refs/heads/master"
ref.target
# => "07b44cbda23b726e5d54e2ef383495922c024202"

# Reading an object
object = repo.read('a0ae5566e3c8a3bddffab21022056f0b5e03ef07')
# => #<Rugged::OdbObject:0x109a64780>
object.len
# => 237
object.data
# => "tree 76f23f186076fc291742816721ea8c3e95567241\nparent 8e3c5c52b8f29da0adc7e8be8a037cbeaea6de6b\nauthor Vicent Mart\303\255 <tanoku@gmail.com> 1333859005 +0200\ncommitter Vicent Mart\303\255 <tanoku@gmail.com> 1333859005 +0200\n\nAdd `Repository#blob_at`\n"
object.type
# => :commit