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build_proto.go
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build_proto.go
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// Copyright 2019 The LUCI Authors.
//
// 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.
package luciexe
import (
bbpb "go.chromium.org/luci/buildbucket/proto"
"go.chromium.org/luci/buildbucket/protoutil"
)
const (
// BuildProtoLogName is the Build.Step.Log.Name for sub-lucictx programs.
BuildProtoLogName = "$build.proto"
// BuildProtoContentType is the ContentType of the build.proto LogDog datagram
// stream.
BuildProtoContentType = protoutil.BuildMediaType
// BuildProtoZlibContentType is the ContentType of the compressed
// build.proto LogDog datagram stream. It's the same as BuildProtoContentType
// except it's compressed with zlib.
BuildProtoZlibContentType = BuildProtoContentType + "; encoding=zlib"
// BuildProtoStreamSuffix is the logdog stream name suffix for sub-lucictx
// programs to output their build.proto stream to.
//
// TODO(iannucci): Maybe change protocol so that build.proto stream can be
// opened by the invoking process instead of the invoked process.
BuildProtoStreamSuffix = "build.proto"
)
// IsMergeStep returns true iff the given step is identified as a 'merge step'.
//
// See "Recursive Invocation" in the doc for this package.
func IsMergeStep(s *bbpb.Step) bool {
if len(s.GetLogs()) >= 1 && s.Logs[0].Name == BuildProtoLogName {
return true
}
return false
}