gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/conflicts_service.rb
Bob Van Landuyt 8c5b3d0302 Allow streaming io objects into Gitaly
This allows us to set the encoding of an IO passed without reading it
into memory.

This is useful if we want to stream files into Gitaly. Like we do when
uploading a new file to the repository.
2019-04-01 20:17:40 +02:00

76 lines
2.7 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module GitalyClient
class ConflictsService
include Gitlab::EncodingHelper
MAX_MSG_SIZE = 128.kilobytes.freeze
def initialize(repository, our_commit_oid, their_commit_oid)
@gitaly_repo = repository.gitaly_repository
@repository = repository
@our_commit_oid = our_commit_oid
@their_commit_oid = their_commit_oid
end
def list_conflict_files
request = Gitaly::ListConflictFilesRequest.new(
repository: @gitaly_repo,
our_commit_oid: @our_commit_oid,
their_commit_oid: @their_commit_oid
)
response = GitalyClient.call(@repository.storage, :conflicts_service, :list_conflict_files, request)
GitalyClient::ConflictFilesStitcher.new(response)
end
def conflicts?
list_conflict_files.any?
rescue GRPC::FailedPrecondition, GRPC::Unknown
# The server raises FailedPrecondition when it encounters
# ConflictSideMissing, which means a conflict exists but its `theirs` or
# `ours` data is nil due to a non-existent file in one of the trees.
#
# GRPC::Unknown comes from Rugged::ReferenceError and Rugged::OdbError.
true
end
def resolve_conflicts(target_repository, resolution, source_branch, target_branch)
reader = binary_io(resolution.files.to_json)
req_enum = Enumerator.new do |y|
header = resolve_conflicts_request_header(target_repository, resolution, source_branch, target_branch)
y.yield Gitaly::ResolveConflictsRequest.new(header: header)
until reader.eof?
chunk = reader.read(MAX_MSG_SIZE)
y.yield Gitaly::ResolveConflictsRequest.new(files_json: chunk)
end
end
response = GitalyClient.call(@repository.storage, :conflicts_service, :resolve_conflicts, req_enum, remote_storage: target_repository.storage, timeout: GitalyClient.medium_timeout)
if response.resolution_error.present?
raise Gitlab::Git::Conflict::Resolver::ResolutionError, response.resolution_error
end
end
private
def resolve_conflicts_request_header(target_repository, resolution, source_branch, target_branch)
Gitaly::ResolveConflictsRequestHeader.new(
repository: @gitaly_repo,
our_commit_oid: @our_commit_oid,
target_repository: target_repository.gitaly_repository,
their_commit_oid: @their_commit_oid,
source_branch: source_branch,
target_branch: target_branch,
commit_message: resolution.commit_message,
user: Gitlab::Git::User.from_gitlab(resolution.user).to_gitaly
)
end
end
end
end