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== Git Library for Ruby
Library for using Git in Ruby. Test.
= Homepage
Git public hosting of the project source code is at:
http://github.com/schacon/ruby-git
= Install
You can install Ruby/Git like this:
$ sudo gem install git
= Major Objects
Git::Base - this is the object returned from a Git.open or Git.clone.
Most major actions are called from this object.
Git::Object - this is the base object for your tree, blob and commit objects,
returned from @git.gtree or @git.object calls. the Git::AbstractObject will
have most of the calls in common for all those objects.
Git::Diff - returns from a @git.diff command. It is an Enumerable that returns
Git::Diff:DiffFile objects from which you can get per file patches and insertion/deletion
statistics. You can also get total statistics from the Git::Diff object directly.
Git::Status - returns from a @git.status command. It is an Enumerable that returns
Git:Status::StatusFile objects for each object in git, which includes files in the working
directory, in the index and in the repository. Similar to running 'git status' on the command
line to determine untracked and changed files.
Git::Branches - Enumerable object that holds Git::Branch objects. You can call .local or .remote
on it to filter to just your local or remote branches.
Git::Remote - A reference to a remote repository that is tracked by this repository.
Git::Log - An Enumerable object that references all the Git::Object::Commit objects that encompass
your log query, which can be constructed through methods on the Git::Log object, like:
@git.log(20).object("some_file").since("2 weeks ago").between('v2.6', 'v2.7').each { |commit| [block] }
= Examples
Here are a bunch of examples of how to use the Ruby/Git package.
First you have to remember to require rubygems if it's not. Then include the 'git' gem.
require 'rubygems'
require 'git'
Here are the operations that need read permission only.
g = Git.open (working_dir, :log => Logger.new(STDOUT))
g.index
g.index.readable?
g.index.writable?
g.repo
g.dir
g.log # returns array of Git::Commit objects
g.log.since('2 weeks ago')
g.log.between('v2.5', 'v2.6')
g.log.each {|l| puts l.sha }
g.gblob('v2.5:Makefile').log.since('2 weeks ago')
g.object('HEAD^').to_s # git show / git rev-parse
g.object('HEAD^').contents
g.object('v2.5:Makefile').size
g.object('v2.5:Makefile').sha
g.gtree(treeish)
g.gblob(treeish)
g.gcommit(treeish)
commit = g.gcommit('1cc8667014381')
commit.gtree
commit.parent.sha
commit.parents.size
commit.author.name
commit.author.email
commit.author.date.strftime("%m-%d-%y")
commit.committer.name
commit.date.strftime("%m-%d-%y")
commit.message
tree = g.gtree("HEAD^{tree}")
tree.blobs
tree.subtrees
tree.children # blobs and subtrees
g.revparse('v2.5:Makefile')
g.branches # returns Git::Branch objects
g.branches.local
g.branches.remote
g.branches[:master].gcommit
g.branches['origin/master'].gcommit
g.grep('hello') # implies HEAD
g.blob('v2.5:Makefile').grep('hello')
g.tag('v2.5').grep('hello', 'docs/')
g.diff(commit1, commit2).size
g.diff(commit1, commit2).stats
g.gtree('v2.5').diff('v2.6').insertions
g.diff('gitsearch1', 'v2.5').path('lib/')
g.diff('gitsearch1', @git.gtree('v2.5'))
g.diff('gitsearch1', 'v2.5').path('docs/').patch
g.gtree('v2.5').diff('v2.6').patch
g.gtree('v2.5').diff('v2.6').each do |file_diff|
puts file_diff.path
puts file_diff.patch
puts file_diff.blob(:src).contents
end
g.config('user.name') # returns 'Scott Chacon'
g.config # returns whole config hash
g.tag # returns array of Git::Tag objects
And here are the operations that will need to write to your git repository.
g = Git.init
Git.init('project')
Git.init('/home/schacon/proj',
{ :git_dir => '/opt/git/proj.git',
:index_file => '/tmp/index'} )
g = Git.clone(URI, :name => 'name', :path => '/tmp/checkout')
g.config('user.name', 'Scott Chacon')
g.config('user.email', 'email@email.com')
g.add('.')
g.add([file1, file2])
g.remove('file.txt')
g.remove(['file.txt', 'file2.txt'])
g.commit('message')
g.commit_all('message')
g = Git.clone(repo, 'myrepo')
g.chdir do
new_file('test-file', 'blahblahblah')
g.status.changed.each do |file|
puts file.blob(:index).contents
end
end
g.reset # defaults to HEAD
g.reset_hard(Git::Commit)
g.branch('new_branch') # creates new or fetches existing
g.branch('new_branch').checkout
g.branch('new_branch').delete
g.branch('existing_branch').checkout
g.checkout('new_branch')
g.checkout(g.branch('new_branch'))
g.branch(name).merge(branch2)
g.branch(branch2).merge # merges HEAD with branch2
g.branch(name).in_branch(message) { # add files } # auto-commits
g.merge('new_branch')
g.merge('origin/remote_branch')
g.merge(g.branch('master'))
g.merge([branch1, branch2])
r = g.add_remote(name, uri) # Git::Remote
r = g.add_remote(name, Git::Base) # Git::Remote
g.remotes # array of Git::Remotes
g.remote(name).fetch
g.remote(name).remove
g.remote(name).merge
g.remote(name).merge(branch)
g.fetch
g.fetch(g.remotes.first)
g.pull
g.pull(Git::Repo, Git::Branch) # fetch and a merge
g.add_tag('tag_name') # returns Git::Tag
g.repack
g.push
g.push(g.remote('name'))
Some examples of more low-level index and tree operations
g.with_temp_index do
g.read_tree(tree3) # calls self.index.read_tree
g.read_tree(tree1, :prefix => 'hi/')
c = g.commit_tree('message')
# or #
t = g.write_tree
c = g.commit_tree(t, :message => 'message', :parents => [sha1, sha2])
g.branch('branch_name').update_ref(c)
g.update_ref(branch, c)
g.with_temp_working do # new blank working directory
g.checkout
g.checkout(another_index)
g.commit # commits to temp_index
end
end
g.set_index('/path/to/index')
g.with_index(path) do
# calls set_index, then switches back after
end
g.with_working(dir) do
# calls set_working, then switches back after
end
g.with_temp_working(dir) do
g.checkout_index(:prefix => dir, :path_limiter => path)
# do file work
g.commit # commits to index
end
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