31 lines
650 B
Ruby
31 lines
650 B
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
module Gitlab
|
||
|
|
module Git
|
||
|
|
class BundleFile
|
||
|
|
# All git bundle files start with this string
|
||
|
|
#
|
||
|
|
# https://github.com/git/git/blob/v2.20.1/bundle.c#L15
|
||
|
|
MAGIC = "# v2 git bundle\n"
|
||
|
|
|
||
|
|
InvalidBundleError = Class.new(StandardError)
|
||
|
|
|
||
|
|
attr_reader :filename
|
||
|
|
|
||
|
|
def self.check!(filename)
|
||
|
|
new(filename).check!
|
||
|
|
end
|
||
|
|
|
||
|
|
def initialize(filename)
|
||
|
|
@filename = filename
|
||
|
|
end
|
||
|
|
|
||
|
|
def check!
|
||
|
|
data = File.open(filename, 'r') { |f| f.read(MAGIC.size) }
|
||
|
|
|
||
|
|
raise InvalidBundleError, 'Invalid bundle file' unless data == MAGIC
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|