lib/git/branch.rb
require 'git/path'
module Git
class Branch < Path
attr_accessor :full, :remote, :name
def initialize(base, name)
@full = name
@base = base
@gcommit = nil
@stashes = nil
@remote, @name = parse_name(name)
end
def gcommit
@gcommit ||= @base.gcommit(@full)
@gcommit
end
def stashes
@stashes ||= Git::Stashes.new(@base)
end
def checkout
check_if_create
@base.checkout(@full)
end
def archive(file, opts = {})
@base.lib.archive(@full, file, opts)
end
# g.branch('new_branch').in_branch do
# # create new file
# # do other stuff
# return true # auto commits and switches back
# end
def in_branch (message = 'in branch work')
old_current = @base.lib.branch_current
checkout
if yield
@base.commit_all(message)
else
@base.reset_hard
end
@base.checkout(old_current)
end
def create
check_if_create
end
def delete
@base.lib.branch_delete(@name)
end
def current
determine_current
end
def contains?(commit)
!@base.lib.branch_contains(commit, self.name).empty?
end
def merge(branch = nil, message = nil)
if branch
in_branch do
@base.merge(branch, message)
false
end
# merge a branch into this one
else
# merge this branch into the current one
@base.merge(@name)
end
end
def rebase(branch, opts = {})
@base.rebase(branch, opts)
end
def update_ref(commit)
@base.lib.update_ref(@full, commit)
end
def to_a
[@full]
end
def to_s
@full
end
private
def check_if_create
@base.lib.branch_new(@name) rescue nil
end
def determine_current
@base.lib.branch_current == @name
end
# Given a full branch name return an Array containing the remote and branch names.
#
# Removes 'remotes' from the beggining of the name (if present).
# Takes the second part (splittign by '/') as the remote name.
# Takes the rest as the repo name (can also hold one or more '/').
#
# Example:
# parse_name('master') #=> [nil, 'master']
# parse_name('origin/master') #=> ['origin', 'master']
# parse_name('remotes/origin/master') #=> ['origin', 'master']
# parse_name('origin/master/v2') #=> ['origin', 'master/v2']
#
# param [String] name branch full name.
# return [<Git::Remote,NilClass,String>] an Array containing the remote and branch names.
def parse_name(name)
if name.match(/^(?:remotes)?\/([^\/]+)\/(.+)/)
return [Git::Remote.new(@base, $1), $2]
end
return [nil, name]
end
end
end