gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/ref_service.rb
2018-07-05 16:05:24 +00:00

272 lines
10 KiB
Ruby

module Gitlab
module GitalyClient
class RefService
include Gitlab::EncodingHelper
# 'repository' is a Gitlab::Git::Repository
def initialize(repository)
@repository = repository
@gitaly_repo = repository.gitaly_repository
@storage = repository.storage
end
def branches
request = Gitaly::FindAllBranchesRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_all_branches, request, timeout: GitalyClient.fast_timeout)
consume_find_all_branches_response(response)
end
def merged_branches(branch_names = [])
request = Gitaly::FindAllBranchesRequest.new(
repository: @gitaly_repo,
merged_only: true,
merged_branches: branch_names.map { |s| encode_binary(s) }
)
response = GitalyClient.call(@storage, :ref_service, :find_all_branches, request, timeout: GitalyClient.fast_timeout)
consume_find_all_branches_response(response)
end
def default_branch_name
request = Gitaly::FindDefaultBranchNameRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_default_branch_name, request, timeout: GitalyClient.fast_timeout)
Gitlab::Git.branch_name(response.name)
end
def branch_names
request = Gitaly::FindAllBranchNamesRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_all_branch_names, request, timeout: GitalyClient.fast_timeout)
consume_refs_response(response) { |name| Gitlab::Git.branch_name(name) }
end
def tag_names
request = Gitaly::FindAllTagNamesRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_all_tag_names, request, timeout: GitalyClient.fast_timeout)
consume_refs_response(response) { |name| Gitlab::Git.tag_name(name) }
end
def find_ref_name(commit_id, ref_prefix)
request = Gitaly::FindRefNameRequest.new(
repository: @gitaly_repo,
commit_id: commit_id,
prefix: ref_prefix
)
response = GitalyClient.call(@storage, :ref_service, :find_ref_name, request, timeout: GitalyClient.medium_timeout)
encode!(response.name.dup)
end
def count_tag_names
tag_names.count
end
def count_branch_names
branch_names.count
end
def local_branches(sort_by: nil)
request = Gitaly::FindLocalBranchesRequest.new(repository: @gitaly_repo)
request.sort_by = sort_by_param(sort_by) if sort_by
response = GitalyClient.call(@storage, :ref_service, :find_local_branches, request, timeout: GitalyClient.fast_timeout)
consume_find_local_branches_response(response)
end
def tags
request = Gitaly::FindAllTagsRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_all_tags, request, timeout: GitalyClient.medium_timeout)
consume_tags_response(response)
end
def ref_exists?(ref_name)
request = Gitaly::RefExistsRequest.new(repository: @gitaly_repo, ref: encode_binary(ref_name))
response = GitalyClient.call(@storage, :ref_service, :ref_exists, request, timeout: GitalyClient.fast_timeout)
response.value
rescue GRPC::InvalidArgument => e
raise ArgumentError, e.message
end
def find_branch(branch_name)
request = Gitaly::FindBranchRequest.new(
repository: @gitaly_repo,
name: encode_binary(branch_name)
)
response = GitalyClient.call(@repository.storage, :ref_service, :find_branch, request, timeout: GitalyClient.medium_timeout)
branch = response.branch
return unless branch
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
Gitlab::Git::Branch.new(@repository, encode!(branch.name.dup), branch.target_commit.id, target_commit)
end
def create_branch(ref, start_point)
request = Gitaly::CreateBranchRequest.new(
repository: @gitaly_repo,
name: encode_binary(ref),
start_point: encode_binary(start_point)
)
response = GitalyClient.call(@repository.storage, :ref_service, :create_branch, request)
case response.status
when :OK
branch = response.branch
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
Gitlab::Git::Branch.new(@repository, branch.name, branch.target_commit.id, target_commit)
when :ERR_INVALID
invalid_ref!("Invalid ref name")
when :ERR_EXISTS
invalid_ref!("Branch #{ref} already exists")
when :ERR_INVALID_START_POINT
invalid_ref!("Invalid reference #{start_point}")
else
raise "Unknown response status: #{response.status}"
end
end
def delete_branch(branch_name)
request = Gitaly::DeleteBranchRequest.new(
repository: @gitaly_repo,
name: encode_binary(branch_name)
)
GitalyClient.call(@repository.storage, :ref_service, :delete_branch, request)
end
def delete_refs(refs: [], except_with_prefixes: [])
request = Gitaly::DeleteRefsRequest.new(
repository: @gitaly_repo,
refs: refs.map { |r| encode_binary(r) },
except_with_prefix: except_with_prefixes.map { |r| encode_binary(r) }
)
response = GitalyClient.call(@repository.storage, :ref_service, :delete_refs, request, timeout: GitalyClient.fast_timeout)
raise Gitlab::Git::Repository::GitError, response.git_error if response.git_error.present?
end
# Limit: 0 implies no limit, thus all tag names will be returned
def tag_names_contains_sha(sha, limit: 0)
request = Gitaly::ListTagNamesContainingCommitRequest.new(
repository: @gitaly_repo,
commit_id: sha,
limit: limit
)
stream = GitalyClient.call(@repository.storage, :ref_service, :list_tag_names_containing_commit, request, timeout: GitalyClient.medium_timeout)
consume_ref_contains_sha_response(stream, :tag_names)
end
# Limit: 0 implies no limit, thus all tag names will be returned
def branch_names_contains_sha(sha, limit: 0)
request = Gitaly::ListBranchNamesContainingCommitRequest.new(
repository: @gitaly_repo,
commit_id: sha,
limit: limit
)
stream = GitalyClient.call(@repository.storage, :ref_service, :list_branch_names_containing_commit, request, timeout: GitalyClient.medium_timeout)
consume_ref_contains_sha_response(stream, :branch_names)
end
def get_tag_messages(tag_ids)
request = Gitaly::GetTagMessagesRequest.new(repository: @gitaly_repo, tag_ids: tag_ids)
response = GitalyClient.call(@repository.storage, :ref_service, :get_tag_messages, request, timeout: GitalyClient.fast_timeout)
messages = Hash.new { |h, k| h[k] = ''.b }
current_tag_id = nil
response.each do |rpc_message|
current_tag_id = rpc_message.tag_id if rpc_message.tag_id.present?
messages[current_tag_id] << rpc_message.message
end
messages
end
private
def consume_refs_response(response)
response.flat_map { |message| message.names.map { |name| yield(name) } }
end
def sort_by_param(sort_by)
sort_by = 'name' if sort_by == 'name_asc'
enum_value = Gitaly::FindLocalBranchesRequest::SortBy.resolve(sort_by.upcase.to_sym)
raise ArgumentError, "Invalid sort_by key `#{sort_by}`" unless enum_value
enum_value
end
def consume_find_local_branches_response(response)
response.flat_map do |message|
message.branches.map do |gitaly_branch|
Gitlab::Git::Branch.new(
@repository,
encode!(gitaly_branch.name.dup),
gitaly_branch.commit_id,
commit_from_local_branches_response(gitaly_branch)
)
end
end
end
def consume_find_all_branches_response(response)
response.flat_map do |message|
message.branches.map do |branch|
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target)
Gitlab::Git::Branch.new(@repository, branch.name, branch.target.id, target_commit)
end
end
end
def consume_tags_response(response)
response.flat_map do |message|
message.tags.map { |gitaly_tag| Gitlab::Git::Tag.new(@repository, gitaly_tag) }
end
end
def commit_from_local_branches_response(response)
# Git messages have no encoding enforcements. However, in the UI we only
# handle UTF-8, so basically we cross our fingers that the message force
# encoded to UTF-8 is readable.
message = response.commit_subject.dup.force_encoding('UTF-8')
# NOTE: For ease of parsing in Gitaly, we have only the subject of
# the commit and not the full message. This is ok, since all the
# code that uses `local_branches` only cares at most about the
# commit message.
# TODO: Once gitaly "takes over" Rugged consider separating the
# subject from the message to make it clearer when there's one
# available but not the other.
hash = {
id: response.commit_id,
message: message,
authored_date: Time.at(response.commit_author.date.seconds),
author_name: response.commit_author.name.dup,
author_email: response.commit_author.email.dup,
committed_date: Time.at(response.commit_committer.date.seconds),
committer_name: response.commit_committer.name.dup,
committer_email: response.commit_committer.email.dup
}
Gitlab::Git::Commit.decorate(@repository, hash)
end
def consume_ref_contains_sha_response(stream, collection_name)
stream.each_with_object([]) do |response, array|
encoded_names = response.send(collection_name).map { |b| Gitlab::Git.ref_name(b) } # rubocop:disable GitlabSecurity/PublicSend
array.concat(encoded_names)
end
end
def invalid_ref!(message)
raise Gitlab::Git::Repository::InvalidRef.new(message)
end
end
end
end