// Copyright 2024 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// This file contains the protocol buffer representation of a list of supported
// flags for Bazel commands.

// Companion proto that contains REv2 specific types to use with
// bazel_output_service.proto.
syntax = "proto3";

package bazel_output_service_rev2;

import "build/bazel/remote/execution/v2/remote_execution.proto";

option java_package = "com.google.devtools.build.lib.remote";
option java_outer_classname = "BazelOutputServiceREv2Proto";
option go_package = "bazeloutputservicerev2";

message StartBuildArgs {
  // The endpoint for the Content Addressable Storage.
  //
  // Bazel sets to this value to --remote_cache (or --remote_executor, in case
  // --remote_cache is not explicitly set).
  string remote_cache = 1;

  // The instance name that Bazel uses when communicating with the remote
  // execution system. The remote output service uses this value when loading
  // objects from the Content Addressable Storage.
  //
  // Bazel sets this value to --remote_instance_name.
  string instance_name = 2;

  // The digest function that Bazel uses when communicating with the remote
  // execution system. The remote output service uses this value to ensure
  // that BatchStatResponse contains digests that were computed with right
  // digest function.
  //
  // Bazel sets this value to one of the digest functions in the REAPI spec
  // according to --digest_function.
  build.bazel.remote.execution.v2.DigestFunction.Value digest_function = 3;
}

message FileArtifactLocator {
  build.bazel.remote.execution.v2.Digest digest = 1;
}

message TreeArtifactLocator {
  // The digest of the encoded [Tree][build.bazel.remote.execution.v2.Tree]
  // proto containing the directory's contents.
  build.bazel.remote.execution.v2.Digest tree_digest = 1;

  // The digest of the encoded
  // [Directory][build.bazel.remote.execution.v2.Directory] proto containing the
  // contents the directory's root.
  //
  // If both `tree_digest` and `root_directory_digest` are set, this field MUST
  // match the digest of the root directory contained in the Tree message.
  build.bazel.remote.execution.v2.Digest root_directory_digest = 2;
}