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Protocol and utilities to implement or invoke persistent bazel workers.
Last release 10 months ago
02 Dec 2025
Ships fairly regularly
a new release about every 6 months
Nearly every release is documented
notes for 38 of 38 stable releases
Nothing withdrawn
no release was ever pulled
10 years old
39 releases · first in 2016
Require protobuf: ">=5.0.0 <7.0.0"
protobuf: ">=5.0.0 <7.0.0"Widen package:protobuf constraint to allow 5.0.0 and requiring minimum 4.0.0.
^3.9.0.package:protobuf constraint to allow 5.0.0 and requiring minimum 4.0.0.Widen package:protobuf constraint to allow 4.0.0.
One column per quarter.
^3.4.0.package:protobuf constraint to allow 4.0.0.Move to dart-lang/tools monorepo.
^3.1.0.dart-lang/tools monorepo.Fix a bug where if spawnWorker threw an error, work requests would hang forever instead of failing.
Add a deepCopyLinks argument to copyPath and copyPathSync .
deepCopyLinks argument to copyPath and copyPathSync.@visibleForTesting annotation from SharedStdIn.SharedStdIn.new.
AnsiCode and AnsiCodeType marked final. ThesefinalexpectApiSummaryClean, ApiSummaryFormat, andApiSummaryVerificationException to support one-liner golden file verificationdart test (e.g. test('api_summary', expectApiSummaryClean);).--write (-w), --check (-c), and --output (-o) flags to theapi_summary CLI executable.Require package:protobuf >= 3.0.0.
package:protobuf >= 3.0.0.Expand pub documentation to improve pub score.
Drop dependency on package:pedantic.
package:pedantic.Initial stable release.
AsyncMessageGrouper performance.benchmark/benchmark.dart measuring AsyncMessageGrouper performance.Use WorkResponse with exitCode set to EXIT_CODE_BROKEN_PIPE instead of null responses.
WorkResponse with exitCode set to EXIT_CODE_BROKEN_PIPE instead of
null responses.Add isBroadcast implementation to TestStdin classes.
isBroadcast implementation to TestStdin classes.Check for closed port when trying to read a response in IsolateDriverConnection and return null if there is nothing to be read.
IsolateDriverConnection and return null if there is nothing to be read.Don't rely on exitCode to know when a worker terminates, instead wait for the input stream to close.
exitCode to know when a worker terminates, instead wait for
the input stream to close.
null here, so this
pre-emptively guards against that.Added a tool for updating generated proto files and updated them using the latest version of the protoc_plugin package.
1.x.protobuf package to 0.14.4.* Require protobuf 0.14.0.
Don't rely on exitCode to know when a worker terminates, instead wait for the input stream to close. Backport of fix in 0.1.23+1 in a version that doe
exitCode to know when a worker terminates, instead wait for
the input stream to close. Backport of fix in 0.1.23+1 in a version that
does not require a newer protobuf.Make TestStdinAsync behave like a Stream
TestStdinAsync behave like a Stream<Uint8List>Close worker outputStream on cancel.
outputStream on cancel.Work around https://github.com/dart-lang/sdk/issues/35874.
Add a trackWork optional named argument to BazelDriver.doWork. This allows the caller to know when a work request is actually sent to a worker.
trackWork optional named argument to BazelDriver.doWork. This allows
the caller to know when a work request is actually sent to a worker.* Allow protobuf 0.13.0.
Update the worker_protocol.pb.dart file with the latest proto generator.
Update the worker_protocol.pb.dart file with the latest proto generator.
Allow workers to support running in isolates. To support running in isolates, workers must modify their main method to accept a SendPort then use it w
main method to accept a SendPort then use it
when creating the AsyncWorkerConnection. See async_worker in e2e_test.* Support protobuf 0.10.0.
* Set max SDK version to <3.0.0.
<3.0.0.Added support for protobuf 0.9.0.
Remove usages of deprecated upper-case constants from the SDK.
Update the worker_protocol.pb.dart file with the latest proto generator.
Add Future cancel() method to DriverConnection, which in the case of a StdDriverConnection closes the input stream.
Future cancel() method to DriverConnection, which in the case of a
StdDriverConnection closes the input stream.
terminateWorkers method on BazelWorkerDriver now calls cancel on
all worker connections to ensure the vm can exit correctly.Update the BazelWorkerDriver class to handle worker crashes, and retry work requests. The number of retries is configurable with the new int maxRetrie
BazelWorkerDriver class to handle worker crashes, and retry work
requests. The number of retries is configurable with the new int maxRetries
optional arg to the BazelWorkerDriver constructor.Update the worker_protocol.pb.dart file with the latest proto generator.
Change TestStdinAsync.controller to StreamController > (instead of using dynamic as the type argument).
Added BazelWorkerDriver class, which can be used to implement the bazel side of the protocol. This allows you to speak to any process which knows the
BazelWorkerDriver class, which can be used to implement the bazel side
of the protocol. This allows you to speak to any process which knows the bazel
protocol from your own process.WorkerConnection#readRequest to return a FutureOr<WorkRequest>
instead of dynamic.Add automatic intercepting of print calls and append them to response.output. This makes more libraries work out of the box, as printing would previou
response.output. This makes more libraries work out of the box, as printing
would previously cause an error due to communication over stdin/stdout.
Add better handling for the case where stdin gives an error instead of an EOF.
Export AsyncMessageGrouper and SyncMessageGrouper as part of the testing library. These can assist when writing e2e tests and communicating with a wor
AsyncMessageGrouper and SyncMessageGrouper as part of the testing
library. These can assist when writing e2e tests and communicating with a
worker process.* Initial version.
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