66 lines
2 KiB
Ruby
66 lines
2 KiB
Ruby
module Lfs
|
|
# Usage: Calling `new_file` check to see if a file should be in LFS and
|
|
# return a transformed result with `content` and `encoding` to commit.
|
|
#
|
|
# For LFS an LfsObject linked to the project is stored and an LFS
|
|
# pointer returned. If the file isn't in LFS the untransformed content
|
|
# is returned to save in the commit.
|
|
#
|
|
# transformer = Lfs::FileTransformer.new(project, @branch_name)
|
|
# content_or_lfs_pointer = transformer.new_file(file_path, content).content
|
|
# create_transformed_commit(content_or_lfs_pointer)
|
|
#
|
|
class FileTransformer
|
|
attr_reader :project, :branch_name
|
|
|
|
delegate :repository, to: :project
|
|
|
|
def initialize(project, branch_name)
|
|
@project = project
|
|
@branch_name = branch_name
|
|
end
|
|
|
|
def new_file(file_path, file_content, encoding: nil)
|
|
if project.lfs_enabled? && lfs_file?(file_path)
|
|
file_content = Base64.decode64(file_content) if encoding == 'base64'
|
|
lfs_pointer_file = Gitlab::Git::LfsPointerFile.new(file_content)
|
|
lfs_object = create_lfs_object!(lfs_pointer_file, file_content)
|
|
|
|
link_lfs_object!(lfs_object)
|
|
|
|
Result.new(content: lfs_pointer_file.pointer, encoding: 'text')
|
|
else
|
|
Result.new(content: file_content, encoding: encoding)
|
|
end
|
|
end
|
|
|
|
class Result
|
|
attr_reader :content, :encoding
|
|
|
|
def initialize(content:, encoding:)
|
|
@content = content
|
|
@encoding = encoding
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def lfs_file?(file_path)
|
|
cached_attributes.attributes(file_path)['filter'] == 'lfs'
|
|
end
|
|
|
|
def cached_attributes
|
|
@cached_attributes ||= Gitlab::Git::AttributesAtRefParser.new(repository, branch_name)
|
|
end
|
|
|
|
def create_lfs_object!(lfs_pointer_file, file_content)
|
|
LfsObject.find_or_create_by(oid: lfs_pointer_file.sha256, size: lfs_pointer_file.size) do |lfs_object|
|
|
lfs_object.file = CarrierWaveStringFile.new(file_content)
|
|
end
|
|
end
|
|
|
|
def link_lfs_object!(lfs_object)
|
|
project.lfs_objects << lfs_object
|
|
end
|
|
end
|
|
end
|