module Gitlab module GitalyClient class CommitService include Gitlab::EncodingHelper # The ID of empty tree. # See http://stackoverflow.com/a/40884093/1856239 and https://github.com/git/git/blob/3ad8b5bf26362ac67c9020bf8c30eee54a84f56d/cache.h#L1011-L1012 EMPTY_TREE_ID = '4b825dc642cb6eb9a060e54bf8d69288fbee4904'.freeze def initialize(repository) @gitaly_repo = repository.gitaly_repository @repository = repository end def ls_files(revision) request = Gitaly::ListFilesRequest.new( repository: @gitaly_repo, revision: encode_binary(revision) ) response = GitalyClient.call(@repository.storage, :commit_service, :list_files, request, timeout: GitalyClient.medium_timeout) response.flat_map do |msg| msg.paths.map { |d| EncodingHelper.encode!(d.dup) } end end def ancestor?(ancestor_id, child_id) request = Gitaly::CommitIsAncestorRequest.new( repository: @gitaly_repo, ancestor_id: ancestor_id, child_id: child_id ) GitalyClient.call(@repository.storage, :commit_service, :commit_is_ancestor, request, timeout: GitalyClient.fast_timeout).value end def diff(from, to, options = {}) from_id = case from when NilClass EMPTY_TREE_ID else if from.respond_to?(:oid) # This is meant to match a Rugged::Commit. This should be impossible in # the future. from.oid else from end end to_id = case to when NilClass EMPTY_TREE_ID else if to.respond_to?(:oid) # This is meant to match a Rugged::Commit. This should be impossible in # the future. to.oid else to end end request_params = diff_between_commits_request_params(from_id, to_id, options) call_commit_diff(request_params, options) end def diff_from_parent(commit, options = {}) request_params = diff_from_parent_request_params(commit, options) call_commit_diff(request_params, options) end def commit_deltas(commit) request = Gitaly::CommitDeltaRequest.new(diff_from_parent_request_params(commit)) response = GitalyClient.call(@repository.storage, :diff_service, :commit_delta, request) response.flat_map { |msg| msg.deltas } end def tree_entry(ref, path, limit = nil) request = Gitaly::TreeEntryRequest.new( repository: @gitaly_repo, revision: ref, path: encode_binary(path), limit: limit.to_i ) response = GitalyClient.call(@repository.storage, :commit_service, :tree_entry, request, timeout: GitalyClient.medium_timeout) entry = nil data = '' response.each do |msg| if entry.nil? entry = msg break unless entry.type == :BLOB end data << msg.data end entry.data = data entry unless entry.oid.blank? end def tree_entries(repository, revision, path) request = Gitaly::GetTreeEntriesRequest.new( repository: @gitaly_repo, revision: encode_binary(revision), path: path.present? ? encode_binary(path) : '.' ) response = GitalyClient.call(@repository.storage, :commit_service, :get_tree_entries, request, timeout: GitalyClient.medium_timeout) response.flat_map do |message| message.entries.map do |gitaly_tree_entry| Gitlab::Git::Tree.new( id: gitaly_tree_entry.oid, root_id: gitaly_tree_entry.root_oid, type: gitaly_tree_entry.type.downcase, mode: gitaly_tree_entry.mode.to_s(8), name: File.basename(gitaly_tree_entry.path), path: encode_binary(gitaly_tree_entry.path), flat_path: encode_binary(gitaly_tree_entry.flat_path), commit_id: gitaly_tree_entry.commit_oid ) end end end def commit_count(ref, options = {}) request = Gitaly::CountCommitsRequest.new( repository: @gitaly_repo, revision: encode_binary(ref) ) request.after = Google::Protobuf::Timestamp.new(seconds: options[:after].to_i) if options[:after].present? request.before = Google::Protobuf::Timestamp.new(seconds: options[:before].to_i) if options[:before].present? request.path = encode_binary(options[:path]) if options[:path].present? request.max_count = options[:max_count] if options[:max_count].present? GitalyClient.call(@repository.storage, :commit_service, :count_commits, request, timeout: GitalyClient.medium_timeout).count end def last_commit_for_path(revision, path) request = Gitaly::LastCommitForPathRequest.new( repository: @gitaly_repo, revision: encode_binary(revision), path: encode_binary(path.to_s) ) gitaly_commit = GitalyClient.call(@repository.storage, :commit_service, :last_commit_for_path, request, timeout: GitalyClient.fast_timeout).commit return unless gitaly_commit Gitlab::Git::Commit.new(@repository, gitaly_commit) end def between(from, to) request = Gitaly::CommitsBetweenRequest.new( repository: @gitaly_repo, from: from, to: to ) response = GitalyClient.call(@repository.storage, :commit_service, :commits_between, request, timeout: GitalyClient.medium_timeout) consume_commits_response(response) end def find_all_commits(opts = {}) request = Gitaly::FindAllCommitsRequest.new( repository: @gitaly_repo, revision: opts[:ref].to_s, max_count: opts[:max_count].to_i, skip: opts[:skip].to_i ) request.order = opts[:order].upcase if opts[:order].present? response = GitalyClient.call(@repository.storage, :commit_service, :find_all_commits, request, timeout: GitalyClient.medium_timeout) consume_commits_response(response) end def list_commits_by_oid(oids) request = Gitaly::ListCommitsByOidRequest.new(repository: @gitaly_repo, oid: oids) response = GitalyClient.call(@repository.storage, :commit_service, :list_commits_by_oid, request, timeout: GitalyClient.medium_timeout) consume_commits_response(response) rescue GRPC::NotFound # If no repository is found, happens mainly during testing [] end def commits_by_message(query, revision: '', path: '', limit: 1000, offset: 0) request = Gitaly::CommitsByMessageRequest.new( repository: @gitaly_repo, query: query, revision: revision.to_s.force_encoding(Encoding::ASCII_8BIT), path: path.to_s.force_encoding(Encoding::ASCII_8BIT), limit: limit.to_i, offset: offset.to_i ) response = GitalyClient.call(@repository.storage, :commit_service, :commits_by_message, request, timeout: GitalyClient.medium_timeout) consume_commits_response(response) end def languages(ref = nil) request = Gitaly::CommitLanguagesRequest.new(repository: @gitaly_repo, revision: ref || '') response = GitalyClient.call(@repository.storage, :commit_service, :commit_languages, request) response.languages.map { |l| { value: l.share.round(2), label: l.name, color: l.color, highlight: l.color } } end def raw_blame(revision, path) request = Gitaly::RawBlameRequest.new( repository: @gitaly_repo, revision: encode_binary(revision), path: encode_binary(path) ) response = GitalyClient.call(@repository.storage, :commit_service, :raw_blame, request, timeout: GitalyClient.medium_timeout) response.reduce("") { |memo, msg| memo << msg.data } end def find_commit(revision) if RequestStore.active? # We don't use RequeStstore.fetch(key) { ... } directly because `revision` # can be a branch name, so we can't use it as a key as it could point # to another commit later on (happens a lot in tests). key = { storage: @gitaly_repo.storage_name, relative_path: @gitaly_repo.relative_path, commit_id: revision } return RequestStore[key] if RequestStore.exist?(key) commit = call_find_commit(revision) return unless commit key[:commit_id] = commit.id RequestStore[key] = commit else call_find_commit(revision) end end def patch(revision) request = Gitaly::CommitPatchRequest.new( repository: @gitaly_repo, revision: encode_binary(revision) ) response = GitalyClient.call(@repository.storage, :diff_service, :commit_patch, request, timeout: GitalyClient.medium_timeout) response.sum(&:data) end def commit_stats(revision) request = Gitaly::CommitStatsRequest.new( repository: @gitaly_repo, revision: encode_binary(revision) ) GitalyClient.call(@repository.storage, :commit_service, :commit_stats, request, timeout: GitalyClient.medium_timeout) end def find_commits(options) request = Gitaly::FindCommitsRequest.new( repository: @gitaly_repo, limit: options[:limit], offset: options[:offset], follow: options[:follow], skip_merges: options[:skip_merges], disable_walk: true # This option is deprecated. The 'walk' implementation is being removed. ) request.after = GitalyClient.timestamp(options[:after]) if options[:after] request.before = GitalyClient.timestamp(options[:before]) if options[:before] request.revision = encode_binary(options[:ref]) if options[:ref] request.paths = encode_repeated(Array(options[:path])) if options[:path].present? response = GitalyClient.call(@repository.storage, :commit_service, :find_commits, request, timeout: GitalyClient.medium_timeout) consume_commits_response(response) end def filter_shas_with_signatures(shas) request = Gitaly::FilterShasWithSignaturesRequest.new(repository: @gitaly_repo) enum = Enumerator.new do |y| shas.each_slice(20) do |revs| request.shas = encode_repeated(revs) y.yield request request = Gitaly::FilterShasWithSignaturesRequest.new end end response = GitalyClient.call(@repository.storage, :commit_service, :filter_shas_with_signatures, enum) response.flat_map do |msg| msg.shas.map { |sha| EncodingHelper.encode!(sha) } end end def extract_signature(commit_id) request = Gitaly::ExtractCommitSignatureRequest.new(repository: @gitaly_repo, commit_id: commit_id) response = GitalyClient.call(@repository.storage, :commit_service, :extract_commit_signature, request) signature = ''.b signed_text = ''.b response.each do |message| signature << message.signature signed_text << message.signed_text end return if signature.blank? && signed_text.blank? [signature, signed_text] end private def call_commit_diff(request_params, options = {}) request_params[:ignore_whitespace_change] = options.fetch(:ignore_whitespace_change, false) request_params[:enforce_limits] = options.fetch(:limits, true) request_params[:collapse_diffs] = request_params[:enforce_limits] || !options.fetch(:expanded, true) request_params.merge!(Gitlab::Git::DiffCollection.collection_limits(options).to_h) request = Gitaly::CommitDiffRequest.new(request_params) response = GitalyClient.call(@repository.storage, :diff_service, :commit_diff, request, timeout: GitalyClient.medium_timeout) GitalyClient::DiffStitcher.new(response) end def diff_from_parent_request_params(commit, options = {}) parent_id = commit.parent_ids.first || EMPTY_TREE_ID diff_between_commits_request_params(parent_id, commit.id, options) end def diff_between_commits_request_params(from_id, to_id, options) { repository: @gitaly_repo, left_commit_id: from_id, right_commit_id: to_id, paths: options.fetch(:paths, []).compact.map { |path| encode_binary(path) } } end def consume_commits_response(response) response.flat_map do |message| message.commits.map do |gitaly_commit| Gitlab::Git::Commit.new(@repository, gitaly_commit) end end end def encode_repeated(a) Google::Protobuf::RepeatedField.new(:bytes, a.map { |s| encode_binary(s) } ) end def call_find_commit(revision) request = Gitaly::FindCommitRequest.new( repository: @gitaly_repo, revision: encode_binary(revision) ) response = GitalyClient.call(@repository.storage, :commit_service, :find_commit, request, timeout: GitalyClient.medium_timeout) response.commit end end end end