96 lines
2.5 KiB
Ruby
96 lines
2.5 KiB
Ruby
require_dependency 'gitlab/encoding_helper'
|
|
|
|
module Gitlab
|
|
module Git
|
|
# The ID of empty tree.
|
|
# See http://stackoverflow.com/a/40884093/1856239 and
|
|
# https://github.com/git/git/blob/3ad8b5bf26362ac67c9020bf8c30eee54a84f56d/cache.h#L1011-L1012
|
|
EMPTY_TREE_ID = '4b825dc642cb6eb9a060e54bf8d69288fbee4904'.freeze
|
|
BLANK_SHA = ('0' * 40).freeze
|
|
TAG_REF_PREFIX = "refs/tags/".freeze
|
|
BRANCH_REF_PREFIX = "refs/heads/".freeze
|
|
|
|
BaseError = Class.new(StandardError)
|
|
CommandError = Class.new(BaseError)
|
|
CommitError = Class.new(BaseError)
|
|
OSError = Class.new(BaseError)
|
|
UnknownRef = Class.new(BaseError)
|
|
|
|
class << self
|
|
include Gitlab::EncodingHelper
|
|
|
|
def ref_name(ref)
|
|
encode!(ref).sub(%r{\Arefs/(tags|heads|remotes)/}, '')
|
|
end
|
|
|
|
def branch_name(ref)
|
|
ref = ref.to_s
|
|
if self.branch_ref?(ref)
|
|
self.ref_name(ref)
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def committer_hash(email:, name:)
|
|
return if email.nil? || name.nil?
|
|
|
|
{
|
|
email: email,
|
|
name: name,
|
|
time: Time.now
|
|
}
|
|
end
|
|
|
|
def tag_name(ref)
|
|
ref = ref.to_s
|
|
if self.tag_ref?(ref)
|
|
self.ref_name(ref)
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def tag_ref?(ref)
|
|
ref.start_with?(TAG_REF_PREFIX)
|
|
end
|
|
|
|
def branch_ref?(ref)
|
|
ref.start_with?(BRANCH_REF_PREFIX)
|
|
end
|
|
|
|
def blank_ref?(ref)
|
|
ref == BLANK_SHA
|
|
end
|
|
|
|
def version
|
|
Gitlab::Git::Version.git_version
|
|
end
|
|
|
|
def check_namespace!(*objects)
|
|
expected_namespace = self.name + '::'
|
|
objects.each do |object|
|
|
unless object.class.name.start_with?(expected_namespace)
|
|
raise ArgumentError, "expected object in #{expected_namespace}, got #{object}"
|
|
end
|
|
end
|
|
end
|
|
|
|
def diff_line_code(file_path, new_line_position, old_line_position)
|
|
"#{Digest::SHA1.hexdigest(file_path)}_#{old_line_position}_#{new_line_position}"
|
|
end
|
|
|
|
def shas_eql?(sha1, sha2)
|
|
return false if sha1.nil? || sha2.nil?
|
|
return false unless sha1.class == sha2.class
|
|
|
|
# If either of the shas is below the minimum length, we cannot be sure
|
|
# that they actually refer to the same commit because of hash collision.
|
|
length = [sha1.length, sha2.length].min
|
|
return false if length < Gitlab::Git::Commit::MIN_SHA_LENGTH
|
|
|
|
sha1[0, length] == sha2[0, length]
|
|
end
|
|
end
|
|
end
|
|
end
|