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|
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)
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 default_branch_name
request = Gitaly::FindDefaultBranchNameRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_default_branch_name, request)
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)
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)
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
)
encode!(GitalyClient.call(@storage, :ref_service, :find_ref_name, request).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)
consume_branches_response(response)
end
def tags
request = Gitaly::FindAllTagsRequest.new(repository: @gitaly_repo)
response = GitalyClient.call(@storage, :ref_service, :find_all_tags, request)
consume_tags_response(response)
end
def ref_exists?(ref_name)
request = Gitaly::RefExistsRequest.new(repository: @gitaly_repo, ref: GitalyClient.encode(ref_name))
response = GitalyClient.call(@storage, :ref_service, :ref_exists, request)
response.value
rescue GRPC::InvalidArgument => e
raise ArgumentError, e.message
end
def find_branch(branch_name)
request = Gitaly::FindBranchRequest.new(
repository: @gitaly_repo,
name: GitalyClient.encode(branch_name)
)
response = GitalyClient.call(@repository.storage, :ref_service, :find_branch, request)
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: GitalyClient.encode(ref),
start_point: GitalyClient.encode(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: GitalyClient.encode(branch_name)
)
GitalyClient.call(@repository.storage, :ref_service, :delete_branch, request)
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_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_tags_response(response)
response.flat_map do |message|
message.tags.map { |gitaly_tag| Util.gitlab_tag_from_gitaly_tag(@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 invalid_ref!(message)
raise Gitlab::Git::Repository::InvalidRef.new(message)
end
end
end
end
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