buildbucket/proto/builds_service.proto

// Copyright 2020 The Swarming Authors. All rights reserved.
// Use of this source code is governed by the Apache v2.0 license that can be
// found in the LICENSE file.

syntax = "proto3";

package buildbucket.v2;

option go_package = "go.chromium.org/luci/buildbucket/proto;buildbucketpb";

import "google/api/field_behavior.proto";
import "google/protobuf/duration.proto";
import "google/protobuf/field_mask.proto";
import "google/protobuf/struct.proto";
import "google/rpc/status.proto";
import "go.chromium.org/luci/buildbucket/proto/build.proto";
import "go.chromium.org/luci/buildbucket/proto/builder_common.proto";
import "go.chromium.org/luci/buildbucket/proto/common.proto";
import "go.chromium.org/luci/buildbucket/proto/notification.proto";
import "go.chromium.org/luci/common/proto/structmask/structmask.proto";

// Manages builds.
//
// Buildbot: To simplify V1->V2 API transition for clients, buildbucket.v2.Builds
// service has some support for non-LUCI builds. Most of such builds are
// Buildbot builds and this documentation refers to them as such, but they also
// include non-Buildbot non-LUCI builds (e.g. Skia builds).
// See "Buildbot" paragraph in each RPC comment.
service Builds {
  // Gets a build.
  //
  // By default the returned build does not include all fields.
  // See GetBuildRequest.mask.
  //
  // Buildbot: if the specified build is a buildbot build, converts it to Build
  // message with the following rules:
  // * bucket names are full, e.g. "luci.infra.try". Note that LUCI buckets
  //   in v2 are shortened, e.g. "try".
  // * if a v2 Build field does not make sense in V1, it is unset/empty.
  // * step support is not implemented for Buildbot builds.
  // Note that it does not support getting a buildbot build by build number.
  // Examples: go/buildbucket-rpc#getbuild
  //
  // GetBuild is good for getting detailed information for a build.
  // For use cases that only requires build status checking (e.g. wait for a
  // build to complete), please use GetBuildStatus instead.
  rpc GetBuild(GetBuildRequest) returns (Build) {};

  // Searches for builds.
  // Examples: go/buildbucket-rpc#searchbuilds
  rpc SearchBuilds(SearchBuildsRequest) returns (SearchBuildsResponse) {};

  // Updates a build.
  //
  // RPC metadata must include "x-buildbucket-token" key with a token
  // generated by the server when scheduling the build.
  rpc UpdateBuild(UpdateBuildRequest) returns (Build) {};

  // Schedules a new build.
  // The requester must have at least SCHEDULER role in the destination bucket.
  // Example: go/buildbucket-rpc#schedulebuild
  rpc ScheduleBuild(ScheduleBuildRequest) returns (Build) {};

  // Cancels a build.
  // The requester must have at least SCHEDULER role in the destination bucket.
  // Note that cancelling a build in ended state (meaning build is not in
  // STATUS_UNSPECIFIED, SCHEDULED or STARTED status) will be a no-op and
  // directly return up-to-date Build message.
  //
  // When called, Buildbucket will set the build's cancelTime to "now".  It
  // will also recursively start the cancellation process for any children of
  // this build which are marked as can_outlive_parent=false.
  //
  // The next time the build checks in (which happens periodically in
  // `bbagent`), bbagent will see the cancelTime, and start the cancellation
  // process described by the 'deadline' section in
  // https://chromium.googlesource.com/infra/luci/luci-py/+/HEAD/client/LUCI_CONTEXT.md.
  //
  // If the build ends before the build's grace_period, then the final status
  // reported from the build is accepted; this is considered 'graceful termination'.
  //
  // If the build doesn't end within the build's grace_period, Buildbucket will
  // forcibly cancel the build.
  rpc CancelBuild(CancelBuildRequest) returns (Build) {};

  // Executes multiple requests in a batch.
  // The response code is always OK.
  // Examples: go/buildbucket-rpc#batch
  rpc Batch(BatchRequest) returns (BatchResponse) {};

  // Creates a new build for the provided build proto.
  //
  // If build with the given ID already exists, returns ALREADY_EXISTS
  // error code.
  rpc CreateBuild(CreateBuildRequest) returns (Build) {};

  // Synthesizes a build proto.
  //
  // This RPC is exclusively for generating led builds.
  rpc SynthesizeBuild(SynthesizeBuildRequest) returns (Build) {};

  // Gets a build's status.
  //
  // The returned build contains the requested build id or
  // (builder + build number), and build status.
  //
  // It's useful when a user only wants to check the build's status (i.e. wait
  // for a build to complete).
  rpc GetBuildStatus(GetBuildStatusRequest) returns (Build) {};

  // Starts a build.
  //
  // RPC metadata must include "x-buildbucket-token" key with
  // * a BUILD type token generated by the server when it creates a Swarming
  //   task for the build (builds on Swarming) or
  // * a START_BUILD type token generated by the server when it attempts to run
  //   a backend task (builds on TaskBackend).
  //
  // Agent must call it before making any UpdateBuild calls.
  //
  // StartBuild will associate a task with a build if the association is not done
  // after RunTaskResponse is returned to buildbucket.
  rpc StartBuild(StartBuildRequest) returns (StartBuildResponse) {};
}

// A request message for GetBuild RPC.
message GetBuildRequest {
  // Build ID.
  // Mutually exclusive with builder and number.
  int64 id = 1;

  // Builder of the build.
  // Requires number. Mutually exclusive with id.
  BuilderID builder = 2;
  // Build number.
  // Requires builder. Mutually exclusive with id.
  int32 build_number = 3;

  // Fields to include in the response.
  //
  // DEPRECATED: Use mask instead.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  //
  // Supports advanced semantics, see
  // https://chromium.googlesource.com/infra/luci/luci-py/+/f9ae69a37c4bdd0e08a8b0f7e123f6e403e774eb/appengine/components/components/protoutil/field_masks.py#7
  // In particular, if the client needs only some output properties, they
  // can be requested with paths "output.properties.fields.foo".
  google.protobuf.FieldMask fields = 100 [deprecated = true];

  // What portion of the Build message to return.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  BuildMask mask = 101;
}

// A request message for SearchBuilds RPC.
message SearchBuildsRequest {
  // Returned builds must satisfy this predicate. Required.
  BuildPredicate predicate = 1;

  // Fields to include in the response, see GetBuildRequest.fields.
  //
  // DEPRECATED: Use mask instead.
  //
  // Note that this applies to the response, not each build, so e.g. steps must
  // be requested with a path "builds.*.steps".
  google.protobuf.FieldMask fields = 100 [deprecated = true];

  // What portion of the Build message to return.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  BuildMask mask = 103;

  // Number of builds to return.
  // Defaults to 100.
  // Any value >1000 is interpreted as 1000.
  int32 page_size = 101;

  // Value of SearchBuildsResponse.next_page_token from the previous response.
  // Use it to continue searching.
  // The predicate and page_size in this request MUST be exactly same as in the
  // previous request.
  string page_token = 102;
}

// A response message for SearchBuilds RPC.
message SearchBuildsResponse {
  // Search results.
  //
  // Ordered by build ID, descending. IDs are monotonically decreasing, so in
  // other words the order is newest-to-oldest.
  repeated Build builds = 1;

  // Value for SearchBuildsRequest.page_token to continue searching.
  string next_page_token = 100;
}

// A request message for Batch RPC.
message BatchRequest {

  // One request in a batch.
  message Request {
    oneof request {
      GetBuildRequest get_build = 1;
      SearchBuildsRequest search_builds = 2;
      ScheduleBuildRequest schedule_build = 3;
      CancelBuildRequest cancel_build = 4 ;
      GetBuildStatusRequest get_build_status = 5;
    }
  }

  // Requests to execute in a single batch.
  //
  // * All requests are executed in their own individual transactions.
  // * BatchRequest as a whole is not transactional.
  // * There's no guaranteed order of execution between batch items (i.e.
  //   consider them to all operate independently).
  // * There is a limit of 200 requests per batch.
  repeated Request requests = 1;
}

// A response message for Batch RPC.
message BatchResponse {

  // Response a BatchRequest.Response.
  message Response {
    oneof response {
      Build get_build = 1;
      SearchBuildsResponse search_builds = 2;
      Build schedule_build = 3;
      Build cancel_build = 4;
      Build get_build_status = 5;

      // Error code and details of the unsuccessful RPC.
      google.rpc.Status error = 100;
    }
  }

  // Responses in the same order as BatchRequest.requests.
  repeated Response responses = 1;
}

// A request message for UpdateBuild RPC.
message UpdateBuildRequest {
  // Build to update, with new field values.
  Build build = 1;

  // Build fields to update.
  // See also
  // https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask
  //
  // Currently supports only the following path strings:
  // - build.output
  // - build.output.properties
  // - build.output.gitiles_commit
  // - build.output.status
  // - build.output.status_details
  // - build.output.summary_markdown
  // - build.status
  // - build.status_details
  // - build.steps
  // - build.summary_markdown
  // - build.tags
  // - build.infra.buildbucket.agent.output
  // - build.infra.buildbucket.agent.purposes
  //
  // Note, "build.output.status" is required explicitly to update the field.
  // If there is only "build.output" in update_mask, build.output.status will not
  // be updated.
  //
  // If omitted, Buildbucket will update the Build's update_time, but nothing else.
  google.protobuf.FieldMask update_mask = 2;

  // Fields to include in the response. See also GetBuildRequest.fields.
  //
  // DEPRECATED: Use mask instead.
  google.protobuf.FieldMask fields = 100 [deprecated = true];

  // What portion of the Build message to return.
  //
  // If not set, an empty build will be returned.
  BuildMask mask = 101;
}

// A request message for ScheduleBuild RPC.
//
// Next ID: 25.
message ScheduleBuildRequest {
  // ** STRONGLY RECOMMENDED **.
  // A unique string id used for detecting duplicate requests.
  // Should be unique at least per requesting identity.
  // Used to dedup build scheduling requests with same id within 1 min.
  // If a build was successfully scheduled with the same request id in the past
  // minute, the existing build will be returned.
  string request_id = 1;

  // ID of a build to retry as is or altered.
  // When specified, fields below default to the values in the template build.
  int64 template_build_id = 2;

  // Value for Build.builder. See its comments.
  // Required, unless template_build_id is specified.
  BuilderID builder = 3;

  // DEPRECATED
  //
  // Set "luci.buildbucket.canary_software" in `experiments` instead.
  //
  // YES sets "luci.buildbucket.canary_software" to true in `experiments`.
  // NO sets "luci.buildbucket.canary_software" to false in `experiments`.
  Trinary canary = 4;

  // DEPRECATED
  //
  // Set "luci.non_production" in `experiments` instead.
  //
  // YES sets "luci.non_production" to true in `experiments`.
  // NO sets "luci.non_production" to false in `experiments`.
  Trinary experimental = 5;

  // Sets (or prevents) these experiments on the scheduled build.
  //
  // See `Builder.experiments` for well-known experiments.
  map<string, bool> experiments = 16;

  // Properties to include in Build.input.properties.
  //
  // Input properties of the created build are result of merging server-defined
  // properties and properties in this field.
  // Each property in this field defines a new or replaces an existing property
  // on the server.
  // If the server config does not allow overriding/adding the property, the
  // request will fail with InvalidArgument error code.
  // A server-defined property cannot be removed, but its value can be
  // replaced with null.
  //
  // Reserved property paths:
  //   ["$recipe_engine/buildbucket"]
  //   ["$recipe_engine/runtime", "is_experimental"]
  //   ["$recipe_engine/runtime", "is_luci"]
  //   ["branch"]
  //   ["buildbucket"]
  //   ["buildername"]
  //   ["repository"]
  //
  // The Builder configuration specifies which top-level property names are
  // overridable via the `allowed_property_overrides` field. ScheduleBuild
  // requests which attempt to override a property which isn't allowed will
  // fail with InvalidArgument.
  //
  // V1 equivalent: corresponds to "properties" key in "parameters_json".
  google.protobuf.Struct properties = 6;

  // Value for Build.input.gitiles_commit.
  //
  // Setting this field will cause the created build to have a "buildset"
  // tag with value "commit/gitiles/{hostname}/{project}/+/{id}".
  //
  // GitilesCommit objects MUST have host, project, ref fields set.
  //
  // V1 equivalent: supersedes "revision" property and "buildset"
  // tag that starts with "commit/gitiles/".
  GitilesCommit gitiles_commit = 7;

  // Value for Build.input.gerrit_changes.
  // Usually present in tryjobs, set by CQ, Gerrit, git-cl-try.
  // Applied on top of gitiles_commit if specified, otherwise tip of the tree.
  // All GerritChange fields are required.
  //
  // Setting this field will cause the created build to have a "buildset"
  // tag with value "patch/gerrit/{hostname}/{change}/{patchset}"
  // for each change.
  //
  // V1 equivalent: supersedes patch_* properties and "buildset"
  // tag that starts with "patch/gerrit/".
  repeated GerritChange gerrit_changes = 8;

  // Tags to include in Build.tags of the created build, see Build.tags
  // comments.
  // Note: tags of the created build may include other tags defined on the
  // server.
  repeated StringPair tags = 9;

  // Overrides default dimensions defined by builder config or template build.
  //
  // A set of entries with the same key defines a new or replaces an existing
  // dimension with the same key.
  // If the config does not allow overriding/adding the dimension, the request
  // will fail with InvalidArgument error code.
  //
  // After merging, dimensions with empty value will be excluded.
  //
  // Note: For the same key dimensions, it won't allow to pass empty and
  // non-empty values at the same time in the request.
  //
  // Note: "caches" and "pool" dimensions may only be specified in builder
  // configs. Setting them hear will fail the request.
  //
  // A dimension expiration must be a multiple of 1min.
  repeated RequestedDimension dimensions = 10;

  // If not zero, overrides swarming task priority.
  // See also Build.infra.swarming.priority.
  int32 priority = 11;

  // A per-build notification configuration.
  NotificationConfig notify = 12;

  // Fields to include in the response. See also GetBuildRequest.fields.
  //
  // DEPRECATED: Use mask instead.
  google.protobuf.FieldMask fields = 100 [deprecated = true];

  // What portion of the Build message to return.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  BuildMask mask = 101;

  // Value for Build.critical.
  Trinary critical = 13;

  // Overrides Builder.exe in the config.
  // Supported subfields: cipd_version.
  Executable exe = 14;

  // Swarming specific part of the build request.
  message Swarming {
    // If specified, parent_run_id should match actual Swarming task run ID the
    // caller is running as and results in swarming server ensuring that the newly
    // triggered build will not outlive its parent.
    //
    // Typical use is for triggering and waiting on child build(s) from within
    // 1 parent build and if child build(s) on their own aren't useful. Then,
    // if parent build ends for whatever reason, all not yet finished child
    // builds aren't useful and it's desirable to terminate them, too.
    //
    // If the Builder config does not specify a swarming backend, the request
    // will fail with InvalidArgument error code.
    //
    // The parent_run_id is assumed to be from the same swarming server as the
    // one the new build is to be executed on. The ScheduleBuildRequest doesn't
    // check if parent_run_id refers to actually existing task, but eventually
    // the new build will fail if so.
    string parent_run_id = 1;
  }
  // Swarming specific part of the build request.
  Swarming swarming = 15;

  // Maximum build pending time.
  //
  // If set, overrides the default `expiration_secs` set in builder config.
  // Only supports seconds precision for now.
  // For more information, see Build.scheduling_timeout in build.proto.
  google.protobuf.Duration scheduling_timeout = 17;

  // Maximum build execution time.
  //
  // If set, overrides the default `execution_timeout_secs` set in builder config.
  // Only supports seconds precision for now.
  // For more information, see Build.execution_timeout in build.proto.
  google.protobuf.Duration execution_timeout = 18;

  // Amount of cleanup time after execution_timeout.
  //
  // If set, overrides the default `grace_period` set in builder config.
  // Only supports seconds precision for now.
  // For more information, see Build.grace_period in build.proto.
  google.protobuf.Duration grace_period = 19;

  // Whether or not this request constitutes a dry run.
  //
  // A dry run returns the build proto without actually scheduling it. All
  // fields except those which can only be computed at run-time are filled in.
  // Does not cause side-effects. When batching, all requests must specify the
  // same value for dry_run.
  bool dry_run = 20;

  // Flag to control if the build can outlive its parent.
  //
  // If the value is UNSET, it means this build doesn't have any parent, so
  // the request must not have a head with any BuildToken.
  //
  // If the value is anything other than UNSET, then the BuildToken for the
  // parent build must be set as a header.
  // Note: it's not currently possible to establish parent/child relationship
  // except via the parent build at the time the build is launched.
  //
  // If the value is NO, it means that the build SHOULD reach a terminal status
  // (SUCCESS, FAILURE, INFRA_FAILURE or CANCELED) before its parent. If the
  // child fails to do so, Buildbucket will cancel it some time after the
  // parent build reaches a terminal status.
  //
  // A build that can outlive its parent can also outlive its parent's ancestors.
  //
  // If schedule a build without parent, this field must be UNSET.
  //
  // If schedule a build with parent, this field should be YES or NO.
  // But UNSET is also accepted for now, and it has the same effect as YES.
  // TODO(crbug.com/1031205): after the parent tracking feature is stable,
  // require this field to be set when scheduling a build with parent.
  Trinary can_outlive_parent = 21;

  // Value for Build.retriable.
  Trinary retriable = 22;

  // Information for scheduling a build as a shadow build.
  message ShadowInput {
  }
  // Input for scheduling a build in the shadow bucket.
  //
  // If this field is set, it means the build to be scheduled will
  // * be scheduled in the shadow bucket of the requested bucket, with shadow
  //   adjustments on service_account, dimensions and properties.
  // * inherit its parent build's agent input and agent source if it has a parent.
  ShadowInput shadow_input = 23;

  // ResultDB-specific part of build request.
  message ResultDB {
    // Whether to create the ResultDB invocation for this build as an export
    // root. See ResultDB invocation.is_export_root for more information.
    //
    // By default, only buildbucket builds that do not have a parent are
    // defined as an export root, as invocations for child builds are included
    // in their parents.
    bool is_export_root_override = 1;
  }

  // ResultDB-specific part of the build request.
  ResultDB resultdb = 24;
}

// A request message for CancelBuild RPC.
message CancelBuildRequest {
  // ID of the build to cancel.
  int64 id = 1;

  // Required. Value for Build.cancellation_markdown. Will be appended to
  // Build.summary_markdown when exporting to bigquery and returned via GetBuild.
  string summary_markdown = 2;

  // Fields to include in the response. See also GetBuildRequest.fields.
  //
  // DEPRECATED: Use mask instead.
  google.protobuf.FieldMask fields = 100 [deprecated = true];

  // What portion of the Build message to return.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  BuildMask mask = 101;
}

// A request message for CreateBuild RPC.
message CreateBuildRequest {
  // The Build to be created.
  Build build = 1  [(google.api.field_behavior) = REQUIRED];

  // A unique identifier for this request.
  // A random UUID is recommended.
  // This request is only idempotent if a `request_id` is provided.
  string request_id = 2;

  // What portion of the Build message to return.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  BuildMask mask = 3;
}

// A request message for SynthesizeBuild RPC.
message SynthesizeBuildRequest {
  // ID of a build to use as the template.
  // Mutually exclusive with builder.
  int64 template_build_id = 1;

  // Value for Build.builder. See its comments.
  // Required, unless template_build_id is specified.
  BuilderID builder = 2;

  // Sets (or prevents) these experiments on the synthesized build.
  //
  // See `Builder.experiments` for well-known experiments.
  map<string, bool> experiments = 3;
}

// A request message for StartBuild RPC.
message StartBuildRequest {
  // A nonce to deduplicate requests.
  string request_id = 1 [(google.api.field_behavior) = REQUIRED];
  // Id of the build to start.
  int64 build_id = 2 [(google.api.field_behavior) = REQUIRED];
  // Id of the task running the started build.
  string task_id = 3 [(google.api.field_behavior) = REQUIRED];
}

// A response message for StartBuild RPC.
message StartBuildResponse {
  // The whole proto of the started build.
  Build build = 1;
  // a build token for agent to use when making subsequent UpdateBuild calls.
  string update_build_token = 2;
}

// A request message for GetBuildStatus RPC.
message GetBuildStatusRequest {
  // Build ID.
  // Mutually exclusive with builder and number.
  int64 id = 1;

  // Builder of the build.
  // Requires number. Mutually exclusive with id.
  BuilderID builder = 2;
  // Build number.
  // Requires builder. Mutually exclusive with id.
  int32 build_number = 3;
}

// Defines a subset of Build fields and properties to return.
message BuildMask {
  // Fields of the Build proto to include.
  //
  // Follows the standard FieldMask semantics as documented at e.g.
  // https://pkg.go.dev/google.golang.org/protobuf/types/known/fieldmaskpb.
  //
  // If not set, the default mask is used, see Build message comments for the
  // list of fields returned by default.
  google.protobuf.FieldMask fields = 1;

  // Defines a subset of `input.properties` to return.
  //
  // When not empty, implicitly adds the corresponding field to `fields`.
  repeated structmask.StructMask input_properties = 2;

  // Defines a subset of `output.properties` to return.
  //
  // When not empty, implicitly adds the corresponding field to `fields`.
  repeated structmask.StructMask output_properties = 3;

  // Defines a subset of `infra.buildbucket.requested_properties` to return.
  //
  // When not empty, implicitly adds the corresponding field to `fields`.
  repeated structmask.StructMask requested_properties = 4;

  // Flag for including all fields.
  //
  // Mutually exclusive with `fields`, `input_properties`, `output_properties`,
  // and `requested_properties`.
  bool all_fields = 5;

  // A status to filter returned `steps` by. If unspecified, no filter is
  // applied. Otherwise filters by the union of the given statuses.
  //
  // No effect unless `fields` specifies that `steps` should be returned or
  // `all_fields` is true.
  repeated Status step_status = 6;
}

// A build predicate.
//
// At least one of the following fields is required: builder, gerrit_changes and
// git_commits.
// If a field value is empty, it is ignored, unless stated otherwise.
message BuildPredicate {
  // A build must be in this builder.
  BuilderID builder = 1;

  // A build must have this status.
  Status status = 2;

  // A build's Build.Input.gerrit_changes must include ALL of these changes.
  repeated GerritChange gerrit_changes = 3;

  // DEPRECATED
  //
  // Never implemented.
  GitilesCommit output_gitiles_commit = 4;

  // A build must be created by this identity.
  string created_by = 5;

  // A build must have ALL of these tags.
  // For "ANY of these tags" make separate RPCs.
  repeated StringPair tags = 6;

  // A build must have been created within the specified range.
  // Both boundaries are optional.
  TimeRange create_time = 7;

  // If false (the default), equivalent to filtering by experiment
  // "-luci.non_production".
  //
  // If true, has no effect (both production and non_production builds will be
  // returned).
  //
  // NOTE: If you explicitly search for non_production builds with the experiment
  // filter "+luci.non_production", this is implied to be true.
  //
  // See `Builder.experiments` for well-known experiments.
  bool include_experimental = 8;

  // A build must be in this build range.
  BuildRange build = 9;

  // DEPRECATED
  //
  // If YES, equivalent to filtering by experiment
  // "+luci.buildbucket.canary_software".
  //
  // If NO, equivalent to filtering by experiment
  // "-luci.buildbucket.canary_software".
  //
  // See `Builder.experiments` for well-known experiments.
  Trinary canary = 10;

  // A list of experiments to include or exclude from the search results.
  //
  // Each entry should look like "[-+]$experiment_name".
  //
  // A "+" prefix means that returned builds MUST have that experiment set.
  // A "-" prefix means that returned builds MUST NOT have that experiment set
  //   AND that experiment was known for the builder at the time the build
  //   was scheduled (either via `Builder.experiments` or via
  //   `ScheduleBuildRequest.experiments`). Well-known experiments are always
  //   considered to be available.
  repeated string experiments = 11;

  // A build ID.
  //
  // Returned builds will be descendants of this build (e.g. "100" means
  // "any build transitively scheduled starting from build 100").
  //
  // Mutually exclusive with `child_of`.
  int64 descendant_of = 12;

  // A build ID.
  //
  // Returned builds will be only the immediate children of this build.
  //
  // Mutually exclusive with `descendant_of`.
  int64 child_of = 13;
}

// Open build range.
message BuildRange {
  // Inclusive lower (less recent build) boundary. Optional.
  int64 start_build_id = 1;
  // Inclusive upper (more recent build) boundary. Optional.
  int64 end_build_id = 2;
}