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Versions: 13
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Contents
require 'linguist/blob_helper'
require 'linguist/language'
require 'rugged'
module Linguist
class LazyBlob
GIT_ATTR = ['linguist-documentation', 'linguist-language', 'linguist-vendored']
GIT_ATTR_OPTS = { :priority => [:index], :skip_system => true }
GIT_ATTR_FLAGS = Rugged::Repository::Attributes.parse_opts(GIT_ATTR_OPTS)
include BlobHelper
MAX_SIZE = 128 * 1024
attr_reader :repository
attr_reader :oid
attr_reader :path
attr_reader :mode
alias :name :path
def initialize(repo, oid, path, mode = nil)
@repository = repo
@oid = oid
@path = path
@mode = mode
end
def git_attributes
@git_attributes ||= repository.fetch_attributes(
name, GIT_ATTR, GIT_ATTR_FLAGS)
end
def vendored?
if attr = git_attributes['linguist-vendored']
return boolean_attribute(attr)
else
return super
end
end
def documentation?
if attr = git_attributes['linguist-documentation']
boolean_attribute(attr)
else
super
end
end
def language
return @language if defined?(@language)
@language = if lang = git_attributes['linguist-language']
Language.find_by_alias(lang)
else
super
end
end
def data
load_blob!
@data
end
def size
load_blob!
@size
end
protected
# Returns true if the attribute is present and not the string "false".
def boolean_attribute(attr)
attr != "false"
end
def load_blob!
@data, @size = Rugged::Blob.to_buffer(repository, oid, MAX_SIZE) if @data.nil?
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems