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module Grit
class Ref
class << self
# Count all Refs
# +repo+ is the Repo
# +options+ is a Hash of options
#
# Returns int
def count_all(repo, options = {})
refs = repo.git.refs(options, prefix)
refs.split("\n").size
end
# Find all Refs
# +repo+ is the Repo
# +options+ is a Hash of options
#
# Returns Grit::Ref[] (baked)
def find_all(repo, options = {})
refs = repo.git.refs(options, prefix)
refs.split("\n").map do |ref|
name, id = *ref.split(' ')
self.new(name, repo, id)
end
end
protected
def prefix
"refs/#{name.to_s.gsub(/^.*::/, '').downcase}s"
end
end
attr_reader :name
# Instantiate a new Head
# +name+ is the name of the head
# +commit+ is the Commit that the head points to
#
# Returns Grit::Head (baked)
def initialize(name, repo, commit_id)
@name = name
@commit_id = commit_id
@repo_ref = repo
@commit = nil
end
def commit
@commit ||= get_commit
end
# Pretty object inspection
def inspect
%Q{#<#{self.class.name} "#{@name}">}
end
protected
def get_commit
Commit.create(@repo_ref, :id => @commit_id)
end
end # Ref
# A Head is a named reference to a Commit. Every Head instance contains a name
# and a Commit object.
#
# r = Grit::Repo.new("/path/to/repo")
# h = r.heads.first
# h.name # => "master"
# h.commit # => #<Grit::Commit "1c09f116cbc2cb4100fb6935bb162daa4723f455">
# h.commit.id # => "1c09f116cbc2cb4100fb6935bb162daa4723f455"
class Head < Ref
# Get the HEAD revision of the repo.
# +repo+ is the Repo
# +options+ is a Hash of options
#
# Returns Grit::Head (baked)
def self.current(repo, options = {})
head = repo.git.fs_read('HEAD').chomp
if /ref: refs\/heads\/(.*)/.match(head)
id = repo.git.rev_parse(options, 'HEAD')
self.new($1, repo, id)
end
end
end # Head
class Remote < Ref; end
class Note < Ref; end
end # Grit
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