debian-mirror-gitlab/lib/gitlab/gitaly_client/ref_service.rb

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# frozen_string_literal: true
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module Gitlab
module GitalyClient
class RefService
include Gitlab::EncodingHelper
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include WithFeatureFlagActors
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TAGS_SORT_KEY = {
'name' => Gitaly::FindAllTagsRequest::SortBy::Key::REFNAME,
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'updated' => Gitaly::FindAllTagsRequest::SortBy::Key::CREATORDATE,
'version' => Gitaly::FindAllTagsRequest::SortBy::Key::VERSION_REFNAME
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}.freeze
TAGS_SORT_DIRECTION = {
'asc' => Gitaly::SortDirection::ASCENDING,
'desc' => Gitaly::SortDirection::DESCENDING
}.freeze
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AMBIGUOUS_REFERENCE = 'reference is ambiguous'
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# 'repository' is a Gitlab::Git::Repository
def initialize(repository)
@repository = repository
@gitaly_repo = repository.gitaly_repository
@storage = repository.storage
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self.repository_actor = repository
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end
def branches
request = Gitaly::FindAllBranchesRequest.new(repository: @gitaly_repo)
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response = gitaly_client_call(@storage, :ref_service, :find_all_branches, request, timeout: GitalyClient.fast_timeout)
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consume_find_all_branches_response(response)
end
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def remote_branches(remote_name)
request = Gitaly::FindAllRemoteBranchesRequest.new(repository: @gitaly_repo, remote_name: remote_name)
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response = gitaly_client_call(@storage, :ref_service, :find_all_remote_branches, request, timeout: GitalyClient.medium_timeout)
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consume_find_all_remote_branches_response(remote_name, response)
end
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def merged_branches(branch_names = [])
request = Gitaly::FindAllBranchesRequest.new(
repository: @gitaly_repo,
merged_only: true,
merged_branches: branch_names.map { |s| encode_binary(s) }
)
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response = gitaly_client_call(@storage, :ref_service, :find_all_branches, request, timeout: GitalyClient.fast_timeout)
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consume_find_all_branches_response(response)
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end
def default_branch_name
request = Gitaly::FindDefaultBranchNameRequest.new(repository: @gitaly_repo)
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response = gitaly_client_call(@storage, :ref_service, :find_default_branch_name, request, timeout: GitalyClient.fast_timeout)
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Gitlab::Git.branch_name(response.name)
end
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def local_branches(sort_by: nil, pagination_params: nil)
request = Gitaly::FindLocalBranchesRequest.new(repository: @gitaly_repo, pagination_params: pagination_params)
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request.sort_by = sort_local_branches_by_param(sort_by) if sort_by
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response = gitaly_client_call(@storage, :ref_service, :find_local_branches, request, timeout: GitalyClient.fast_timeout)
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consume_find_local_branches_response(response)
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end
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def tags(sort_by: nil, pagination_params: nil)
request = Gitaly::FindAllTagsRequest.new(repository: @gitaly_repo, pagination_params: pagination_params)
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request.sort_by = sort_tags_by_param(sort_by) if sort_by
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response = gitaly_client_call(@storage, :ref_service, :find_all_tags, request, timeout: GitalyClient.medium_timeout)
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consume_tags_response(response)
end
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def ref_exists?(ref_name)
request = Gitaly::RefExistsRequest.new(repository: @gitaly_repo, ref: encode_binary(ref_name))
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response = gitaly_client_call(@storage, :ref_service, :ref_exists, request, timeout: GitalyClient.fast_timeout)
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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)
)
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response = gitaly_client_call(@repository.storage, :ref_service, :find_branch, request, timeout: GitalyClient.medium_timeout)
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branch = response.branch
return unless branch
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
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Gitlab::Git::Branch.new(@repository, branch.name.dup, branch.target_commit.id, target_commit)
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rescue GRPC::BadStatus => e
raise e unless e.message.include?(AMBIGUOUS_REFERENCE)
raise Gitlab::Git::AmbiguousRef, "branch is ambiguous: #{branch_name}"
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end
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def find_tag(tag_name)
return if tag_name.blank?
request = Gitaly::FindTagRequest.new(
repository: @gitaly_repo,
tag_name: encode_binary(tag_name)
)
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response = gitaly_client_call(@repository.storage, :ref_service, :find_tag, request, timeout: GitalyClient.medium_timeout)
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tag = response.tag
return unless tag
Gitlab::Git::Tag.new(@repository, tag)
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rescue GRPC::BadStatus => e
detailed_error = GitalyClient.decode_detailed_error(e)
case detailed_error&.error
when :tag_not_found
raise Gitlab::Git::UnknownRef, "tag does not exist: #{tag_name}"
else
# When this is not a know structured error we simply re-raise the exception.
raise e
end
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end
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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) }
)
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response = gitaly_client_call(@repository.storage, :ref_service, :delete_refs, request, timeout: GitalyClient.medium_timeout)
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raise Gitlab::Git::Repository::GitError, response.git_error if response.git_error.present?
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rescue GRPC::BadStatus => e
detailed_error = GitalyClient.decode_detailed_error(e)
case detailed_error&.error
when :invalid_format
raise Gitlab::Git::InvalidRefFormatError, "references have an invalid format: #{detailed_error.invalid_format.refs.join(",")}"
when :references_locked
raise Gitlab::Git::ReferencesLockedError
else
raise e
end
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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
)
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response = gitaly_client_call(@storage, :ref_service, :list_tag_names_containing_commit, request, timeout: GitalyClient.medium_timeout)
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consume_ref_contains_sha_response(response, :tag_names)
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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
)
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response = gitaly_client_call(@storage, :ref_service, :list_branch_names_containing_commit, request, timeout: GitalyClient.medium_timeout)
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consume_ref_contains_sha_response(response, :branch_names)
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end
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def get_tag_messages(tag_ids)
request = Gitaly::GetTagMessagesRequest.new(repository: @gitaly_repo, tag_ids: tag_ids)
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messages = Hash.new { |h, k| h[k] = +''.b }
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current_tag_id = nil
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response = gitaly_client_call(@storage, :ref_service, :get_tag_messages, request, timeout: GitalyClient.fast_timeout)
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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
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def get_tag_signatures(tag_ids)
request = Gitaly::GetTagSignaturesRequest.new(repository: @gitaly_repo, tag_revisions: tag_ids)
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response = gitaly_client_call(@repository.storage, :ref_service, :get_tag_signatures, request, timeout: GitalyClient.fast_timeout)
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signatures = Hash.new { |h, k| h[k] = [+''.b, +''.b] }
current_tag_id = nil
response.each do |message|
message.signatures.each do |tag_signature|
current_tag_id = tag_signature.tag_id if tag_signature.tag_id.present?
signatures[current_tag_id].first << tag_signature.signature
signatures[current_tag_id].last << tag_signature.content
end
end
signatures
rescue GRPC::InvalidArgument => ex
raise ArgumentError, ex
end
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def list_refs(patterns = [Gitlab::Git::BRANCH_REF_PREFIX])
request = Gitaly::ListRefsRequest.new(
repository: @gitaly_repo,
patterns: patterns
)
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response = gitaly_client_call(@storage, :ref_service, :list_refs, request, timeout: GitalyClient.fast_timeout)
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consume_list_refs_response(response)
end
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def pack_refs
request = Gitaly::PackRefsRequest.new(repository: @gitaly_repo)
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gitaly_client_call(@storage, :ref_service, :pack_refs, request, timeout: GitalyClient.long_timeout)
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end
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def find_refs_by_oid(oid:, limit:, ref_patterns: nil)
request = Gitaly::FindRefsByOIDRequest.new(repository: @gitaly_repo, sort_field: :refname, oid: oid, limit: limit, ref_patterns: ref_patterns)
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response = gitaly_client_call(@storage, :ref_service, :find_refs_by_oid, request, timeout: GitalyClient.medium_timeout)
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response&.refs&.to_a
end
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private
def consume_refs_response(response)
response.flat_map { |message| message.names.map { |name| yield(name) } }
end
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def consume_list_refs_response(response)
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response.flat_map { |res| res.references.to_ary }
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end
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def sort_local_branches_by_param(sort_by)
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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
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enum_value
end
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def sort_tags_by_param(sort_by)
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match = sort_by.match(/^(?<key>name|updated|version)_(?<direction>asc|desc)$/)
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return unless match
Gitaly::FindAllTagsRequest::SortBy.new(
key: TAGS_SORT_KEY[match[:key]],
direction: TAGS_SORT_DIRECTION[match[:direction]]
)
end
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def consume_find_local_branches_response(response)
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response.flat_map do |message|
if message.local_branches.present?
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message.local_branches.map do |branch|
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
Gitlab::Git::Branch.new(@repository, branch.name, branch.target_commit.id, target_commit)
end
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else
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message.branches.map do |gitaly_branch|
Gitlab::Git::Branch.new(
@repository,
gitaly_branch.name.dup,
gitaly_branch.commit_id,
commit_from_local_branches_response(gitaly_branch)
)
end
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end
end
end
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def consume_find_all_branches_response(response)
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response.flat_map do |message|
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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)
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end
end
end
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def consume_find_all_remote_branches_response(remote_name, response)
remote_name += '/' unless remote_name.ends_with?('/')
response.flat_map do |message|
message.branches.map do |branch|
target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
branch_name = branch.name.sub(remote_name, '')
Gitlab::Git::Branch.new(@repository, branch_name, branch.target_commit.id, target_commit)
end
end
end
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def consume_tags_response(response)
response.flat_map do |message|
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message.tags.map { |gitaly_tag| Gitlab::Git::Tag.new(@repository, gitaly_tag) }
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end
end
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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
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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)
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raise Gitlab::Git::Repository::InvalidRef, message
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end
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end
end
end