internal: Rename master branch to main (#3116)

.github/workflows/codecov.yml

@@ -6,19 +6,19 @@ on:
       - '**.scala'
       - '**.java'
       - '**.sbt'
-      - '**/codecov.yml'  
+      - '**/codecov.yml'
       - '.scalafmt.conf'
-      - 'project/build.properties'      
+      - 'project/build.properties'
   push:
     branches:
-      - master
+      - main
     paths:
       - '**.scala'
       - '**.java'
       - '**.sbt'
       - '**/codecov.yml'
       - '.scalafmt.conf'
-      - 'project/build.properties'      
+      - 'project/build.properties'
 
 jobs:
   coverage:

.github/workflows/doc.yml

@@ -3,7 +3,7 @@ name: Doc
 on:
   push:
     branches:
-      - master
+      - main
     paths:
       - 'docs/**'
       - 'website/**'

.github/workflows/package-test.yml

@@ -3,7 +3,7 @@ name: CI Packaging
 on:
   push:
     branches:
-      - master
+      - main
     paths:
       - '**.scala'
       - '**.java'

.github/workflows/sbt-integration.yml

@@ -11,7 +11,7 @@ on:
       - 'project/build.properties'
   push:
     branches:
-      - master
+      - main
     paths:
       - '**.scala'
       - '**.java'

.github/workflows/snapshot.yml

@@ -3,7 +3,7 @@ name: Snapshot Release
 on:
   push:
     branches:
-      - master
+      - main
     paths:
       - '**.scala'
       - '**.java'

.github/workflows/test.yml

@@ -11,7 +11,7 @@ on:
       - 'project/build.properties'
   push:
     branches:
-      - master
+      - main
     paths:
       - '**.scala'
       - '**.java'

README.md

@@ -1,20 +1,20 @@
-[![Gitter Chat][gitter-badge]][gitter-link] [![CI Status][gha-badge]][gha-link] [![codecov](https://codecov.io/gh/wvlet/airframe/branch/master/graph/badge.svg)](https://codecov.io/gh/wvlet/airframe) [![scala-index][sindex-badge]][sindex-link] [![maven central][central-badge]][central-link] [![Scala.js](https://www.scala-js.org/assets/badges/scalajs-1.0.0.svg)](https://www.scala-js.org)
+[![Gitter Chat][gitter-badge]][gitter-link] [![CI Status][gha-badge]][gha-link] [![codecov](https://codecov.io/gh/wvlet/airframe/branch/main/graph/badge.svg)](https://codecov.io/gh/wvlet/airframe) [![scala-index][sindex-badge]][sindex-link] [![maven central][central-badge]][central-link] [![Scala.js](https://www.scala-js.org/assets/badges/scalajs-1.0.0.svg)](https://www.scala-js.org)
 
 [circleci-badge]: https://circleci.com/gh/wvlet/airframe.svg?style=svg
 [circleci-link]: https://circleci.com/gh/wvlet/airframe
 [gha-badge]: https://github.com/wvlet/airframe/workflows/CI/badge.svg
 [gha-link]: https://github.com/wvlet/airframe/actions?workflow=CI
 [gitter-badge]: https://badges.gitter.im/Join%20Chat.svg
 [gitter-link]: https://gitter.im/wvlet/airframe?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
-[coverall-badge]: https://coveralls.io/repos/github/wvlet/airframe/badge.svg?branch=master
-[coverall-link]: https://coveralls.io/github/wvlet/airframe?branch=master
+[coverall-badge]: https://coveralls.io/repos/github/wvlet/airframe/badge.svg?branch=main
+[coverall-link]: https://coveralls.io/github/wvlet/airframe?branch=main
 [sindex-badge]: https://index.scala-lang.org/wvlet/airframe/airframe/latest.svg?color=orange
 [sindex-link]: https://index.scala-lang.org/wvlet/airframe
 [central-badge]: https://img.shields.io/maven-central/v/org.wvlet.airframe/airframe_2.12.svg?label=maven%20central
 [central-link]: https://search.maven.org/search?q=g:%22org.wvlet.airframe%22%20AND%20a:%22airframe_2.12%22
 
 
-<p><img src="https://github.com/wvlet/airframe/raw/master/logos/airframe-badge-light.png" alt="logo" width="300px"></p>
+<p><img src="https://github.com/wvlet/airframe/raw/main/logos/airframe-badge-light.png" alt="logo" width="300px"></p>
 
 Airframe https://wvlet.org/airframe is a collection of [lightweight building blocks](https://wvlet.org/airframe/docs/) for Scala.
 
@@ -30,10 +30,10 @@ Airframe https://wvlet.org/airframe is a collection of [lightweight building blo
 - [AirSpec: A Functional Testing Library](https://wvlet.org/airframe/docs/airspec.html)
 
 - [Airframe RPC: A Framework for Using Scala Both for Frontend and Backend Programming](https://wvlet.org/airframe/docs/airframe-rpc.html)
-<p><img src="https://github.com/wvlet/airframe/raw/master/website/static/img/airframe-rpc/rpc-overview.png" alt="rpc" width="800px"></p>
+<p><img src="https://github.com/wvlet/airframe/raw/main/website/static/img/airframe-rpc/rpc-overview.png" alt="rpc" width="800px"></p>
 
 - [Airframe Modules](https://wvlet.org/airframe/docs/index.html)
-<p><img src="https://github.com/wvlet/airframe/raw/master/logos/airframe-overview.png" alt="logo" width="800px"></p>
+<p><img src="https://github.com/wvlet/airframe/raw/main/logos/airframe-overview.png" alt="logo" width="800px"></p>
 
 
 ## For Developers
@@ -59,12 +59,12 @@ Here is the list of milestones for Dotty support: [#1077](https://github.com/wvl
 
 ### Releasing
 
-For every PR, [release-drafter](https://github.com/release-drafter/release-drafter) will automatically label PRs using the rules defined in [.github/release-drafter.yml](https://github.com/wvlet/airframe/blob/master/.github/release-drafter.yml). 
+For every PR, [release-drafter](https://github.com/release-drafter/release-drafter) will automatically label PRs using the rules defined in [.github/release-drafter.yml](https://github.com/wvlet/airframe/blob/main/.github/release-drafter.yml). 
 
 To publish a new version, first, create a new release tag as follows:
 
 ```sh
-$ git switch master
+$ git switch main
 $ git pull
 $ ruby ./scripts/release.rb
 ```
@@ -80,4 +80,4 @@ When changing some interfaces, binary compatibility should be checked so as not
 
 ## LICENSE
 
-[Apache v2](https://github.com/wvlet/airframe/blob/master/LICENSE)
+[Apache v2](https://github.com/wvlet/airframe/blob/main/LICENSE)

airframe-log/README.md

@@ -41,7 +41,7 @@ libraryDependencies += "org.wvlet.airframe" %%% "airframe-log" % "(version)"
   - Scala 2.12, 2.13, Scala.js support
 
 ## Resources
-- GitHub: [airframe-log](https://github.com/wvlet/airframe/tree/master/airframe-log)
+- GitHub: [airframe-log](https://github.com/wvlet/airframe/tree/main/airframe-log)
 - Blog post: [Airframe Log: A Modern Logging Library for Scala](https://medium.com/@taroleo/airframe-log-a-modern-logging-library-for-scala-56fbc2f950bc)
 
 
@@ -123,7 +123,7 @@ call `Logger.scheduleLogLevelScan` before running test cases. This is useful for
 
 To scan log level properties periodically with [ScalaTest](http://www.scalatest.org/), define the base trait as follows:
 
-**[Spec.scala](https://github.com/wvlet/log/blob/master/src/test/scala/wvlet/log/Spec.scala)**
+**[Spec.scala](https://github.com/wvlet/airframe/blob/airframe-log/main/src/test/scala/wvlet/log/Spec.scala)**
 ```scala
 import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll, WordSpec, _}
 import wvlet.log.LogFormatter.SourceCodeLogFormatter
@@ -161,7 +161,7 @@ You can show the source code location where the log message is generated:
 ```scala
 import wvlet.log._
 
-object MyApp with LogSupport {
+object MyApp extends LogSupport {
    Logger.setDefaultFormatter(LogFormatter.SourceCodeLogFormatter)
    info("log with source code")
 }
@@ -194,7 +194,7 @@ object CustomLogFormatter extends LogFormatter {
 
 Logger.setDefaultFormatter(CustomLogFormatter)
 ```
-See also the examples in [LogFormat.scala](https://github.com/wvlet/airframe/blob/master/airframe-log/shared/src/main/scala/wvlet/log/LogFormat.scala):
+See also the examples in [LogFormat.scala](https://github.com/wvlet/airframe/blob/main/airframe-log/shared/src/main/scala/wvlet/log/LogFormat.scala):
 
 ### Using airframe-log in Scala.js
 

airspec/README.md

@@ -1,11 +1,11 @@
 AirSpec
 ======
 
-[AirSpec](https://github.com/wvlet/airframe/tree/master/airspec) is a new functional testing framework for Scala and Scala.js.
+[AirSpec](https://github.com/wvlet/airframe/tree/main/airspec) is a new functional testing framework for Scala and Scala.js.
 
 AirSpec uses pure Scala functions for writing test cases. This style requires no extra learning cost if you already know Scala. For advanced users, dependency injection to test cases and property-based testing are supported optionally.
 
-- [GitHub: AirSpec](https://github.com/wvlet/airframe/tree/master/airspec)
+- [GitHub: AirSpec](https://github.com/wvlet/airframe/tree/main/airspec)
 - [Documentation](https://wvlet.org/airframe/docs/airspec)
 
 

docs/airframe-control.md

@@ -6,7 +6,7 @@ title: airframe-control: Retry/Rate Control
 airframe-control is a colleciton of libraries to manage control flows, that are especially useul for making remote API calls.
 For example, airframe-control has exponential back-off retry, jittering, circuit breaker, parallel task execution support, etc.
 
-- [Source Code at GitHub](https://github.com/wvlet/airframe/tree/master/airframe-control)
+- [Source Code at GitHub](https://github.com/wvlet/airframe/tree/main/airframe-control)
 
 # Usage
 
@@ -210,7 +210,7 @@ val result = source.parallel.withParallelism(4).map { i =>
 }
 ```
 
-You can monitor metrics of parallel execution via JMX using [airframe-jmx](https://github.com/wvlet/airframe/tree/master/airframe-jmx).
+You can monitor metrics of parallel execution via JMX using [airframe-jmx](https://github.com/wvlet/airframe/tree/main/airframe-jmx).
 
 ```scala
 JMXAgent.defaultAgent.register[Parallel.ParallelExecutionStats](Parallel.jmxStats)

docs/airframe-di-legacy.md

@@ -656,7 +656,7 @@ While debugging the code in your test cases, you can also use `log-test.properti
 ```
 wvlet.airframe=debug
 ```
-See [airframe-log configuration](https://github.com/wvlet/airframe/blob/master/log/README.md#configuring-log-levels) for the details of log level configurations.
+See [airframe-log configuration](https://github.com/wvlet/airframe/blob/main/log/README.md#configuring-log-levels) for the details of log level configurations.
 
 
 Then you will see the log messages that show the object bindings and injection activities:
@@ -1029,7 +1029,7 @@ val app: App =
 }.apply(session)
 ```
 
-To generate the above code, Airframe is using [Scala Macros](http://docs.scala-lang.org/overviews/macros/overview.html). You can find the actual macro definitions in [AirframeMacros.scala](https://github.com/wvlet/airframe/blob/master/airframe-macros/shared/src/main/scala/wvlet/airframe/AirframeMacros.scala)
+To generate the above code, Airframe is using [Scala Macros](http://docs.scala-lang.org/overviews/macros/overview.html). You can find the actual macro definitions in [AirframeMacros.scala](https://github.com/wvlet/airframe/blob/main/airframe-macros/shared/src/main/scala/wvlet/airframe/AirframeMacros.scala)
 
 When `bind[X]` is called, the active session must be found. So if you try to instantiate A without using `session.build[A]`, `MISSING_SESSION` runtime-error will be thrown:
 
@@ -1122,7 +1122,7 @@ session.get(Surface.of[X])
 
 ### Surface
 
-Airframe uses `Surface.of[X]` as identifiers of object types. [Surface](https://github.com/wvlet/airframe/tree/master/surface) is an object type inspection library.
+Airframe uses `Surface.of[X]` as identifiers of object types. [Surface](https://github.com/wvlet/airframe/tree/main/surface) is an object type inspection library.
 
 Here are some examples of Surface:
 ```scala

docs/airframe-di.md

@@ -538,7 +538,7 @@ While debugging the code in your test cases, you can also use `log-test.properti
 ```
 wvlet.airframe.di=debug
 ```
-See [airframe-log configuration](https://github.com/wvlet/airframe/blob/master/log/README.md#configuring-log-levels) for the details of log level configurations.
+See [airframe-log configuration](https://github.com/wvlet/airframe/blob/main/log/README.md#configuring-log-levels) for the details of log level configurations.
 
 
 Then you will see the log messages that show the object bindings and injection activities:
@@ -756,7 +756,7 @@ session.get(Surface.of[X])
 
 ### Surface
 
-Airframe uses `Surface.of[X]` as identifiers of object types. [Surface](https://github.com/wvlet/airframe/tree/master/surface) is an object type inspection library.
+Airframe uses `Surface.of[X]` as identifiers of object types. [Surface](https://github.com/wvlet/airframe/tree/main/surface) is an object type inspection library.
 
 Here are some examples of Surface:
 ```scala

docs/airframe-http.md

@@ -169,7 +169,7 @@ server.start { server =>
 }
 ```
 
-See also the examples in [here](https://github.com/wvlet/airframe/blob/master/airframe-http-finagle/src/test/scala/wvlet/airframe/http/finagle/FinagleServerFactoryTest.scala)
+See also the examples in [here](https://github.com/wvlet/airframe/blob/main/airframe-http-finagle/src/test/scala/wvlet/airframe/http/finagle/FinagleServerFactoryTest.scala)
 
 ## Integration with Airframe DI
 

docs/airframe-log.md

@@ -11,7 +11,7 @@ airframe-log also supports [Scala.js](https://www.scala-js.org/) to see the logs
 
 ![image](https://wvlet.org/airframe/img/airframe-log/scalajs-formatters.png)
 
-- GitHub: [airframe-log](https://github.com/wvlet/airframe/tree/master/airframe-log)
+- GitHub: [airframe-log](https://github.com/wvlet/airframe/tree/main/airframe-log)
 - Blog post: [Airframe Log: A Modern Logging Library for Scala](https://medium.com/@taroleo/airframe-log-a-modern-logging-library-for-scala-56fbc2f950bc)
 
 
@@ -134,7 +134,7 @@ call `Logger.scheduleLogLevelScan` before running test cases. This is useful for
 
 To scan log level properties periodically with [ScalaTest](http://www.scalatest.org/), define the base trait as follows:
 
-**[Spec.scala](https://github.com/wvlet/log/blob/master/src/test/scala/wvlet/log/Spec.scala)**
+**[Spec.scala](https://github.com/wvlet/log/blob/main/src/test/scala/wvlet/log/Spec.scala)**
 ```scala
 import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll, WordSpec, _}
 import wvlet.log.LogFormatter.SourceCodeLogFormatter
@@ -206,7 +206,7 @@ object CustomLogFormatter extends LogFormatter {
 
 Logger.setDefaultFormatter(CustomLogFormatter)
 ```
-See also the examples in [LogFormat.scala](https://github.com/wvlet/airframe/blob/master/airframe-log/shared/src/main/scala/wvlet/log/LogFormat.scala):
+See also the examples in [LogFormat.scala](https://github.com/wvlet/airframe/blob/main/airframe-log/shared/src/main/scala/wvlet/log/LogFormat.scala):
 
 ### Using airframe-log in Scala.js
 

docs/airframe-parquet.md

@@ -160,7 +160,7 @@ reader.close()
 ## Applying Row Group Filter with Parquet FilterApi
 
 Parquet can skip reading records by using row group filters.
-You can use [FilterAPI of parquet-mr](https://github.com/justcodeforfun/parquet-mr/blob/master/parquet-column/src/main/java/org/apache/parquet/filter2/predicate/FilterApi.java) to build such a filter:
+You can use [FilterAPI of parquet-mr](https://github.com/justcodeforfun/parquet-mr/blob/main/parquet-column/src/main/java/org/apache/parquet/filter2/predicate/FilterApi.java) to build such a filter:
 
 ```scala
 import org.apache.parquet.filter2.compat.FilterCompat

docs/airframe-rpc.md

@@ -306,7 +306,7 @@ Supported client types are:
 - __async__: (legacy client. Use rpc instead) Create an async HTTP client (ServiceClient) for Scala (JVM) using Future
   abstraction (`F`). The `F` can be `scala.concurrent.Future` or twitter-util's Future.
 
-Internally, sbt-airframe generates these clients using [HTTP code generators](https://github.com/wvlet/airframe/blob/master/airframe-http-codegen/src/main/scala/wvlet/airframe/http/codegen/client/ScalaHttpClientGenerator.scala). This code reads a Router definition of RPC interfaces, and generate client code for calling RPC endpoints. Currently, we only supports generating HTTP clients for Scala. In near future, we would
+Internally, sbt-airframe generates these clients using [HTTP code generators](https://github.com/wvlet/airframe/blob/main/airframe-http-codegen/src/main/scala/wvlet/airframe/http/codegen/client/ScalaHttpClientGenerator.scala). This code reads a Router definition of RPC interfaces, and generate client code for calling RPC endpoints. Currently, we only supports generating HTTP clients for Scala. In near future, we would
 like to add Open API spec generator so that many programming languages can be used with Airframe
 RPC.
 
@@ -522,7 +522,7 @@ trait MyAPI {
 
 ### Reporting Errors with RPCStatus
 
-Airframe RPC provides predefined [RPCStatus](https://github.com/wvlet/airframe/blob/master/airframe-http/src/main/scala/wvlet/airframe/http/RPCStatus.scala) code for reporting application errors at ease. In your RPC implementation, use one of the RPCStatus codes and create an exception with `.newException(...)` method to report an error:
+Airframe RPC provides predefined [RPCStatus](https://github.com/wvlet/airframe/blob/main/airframe-http/src/main/scala/wvlet/airframe/http/RPCStatus.scala) code for reporting application errors at ease. In your RPC implementation, use one of the RPCStatus codes and create an exception with `.newException(...)` method to report an error:
 
 
 ```scala
@@ -594,7 +594,7 @@ val rpcClient = ServiceRPC.newSyncClient(httpClient)
 
 ### Reading RPCException at the client
 
-To read the RPCStatus and error details at the RPC client side, catch [RPCException](https://github.com/wvlet/airframe/blob/master/airframe-http/src/main/scala/wvlet/airframe/http/RPCException.scala):
+To read the RPCStatus and error details at the RPC client side, catch [RPCException](https://github.com/wvlet/airframe/blob/main/airframe-http/src/main/scala/wvlet/airframe/http/RPCException.scala):
 
 ```scala
 try {
@@ -621,7 +621,7 @@ RPC calls per second. Airframe gRPC requires no Protobuf definitions. You can us
 interface and case classes to define gRPC services.
 
 Example gRPC projects can be found
-from [here](https://github.com/wvlet/airframe/tree/master/examples/rpc-examples).
+from [here](https://github.com/wvlet/airframe/tree/main/examples/rpc-examples).
 
 __build.sbt__
 
@@ -825,7 +825,7 @@ request message body of an RPC request is a MessagePack Map representation of a
 key-value pairs of `(method argument name)` -> `(method argument value)`.
 
 When gRPC backend is used, the client must use HTTP/2 and the message body must be encoded
-as [Length-Prefixed-Message](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests)
+as [Length-Prefixed-Message](https://github.com/grpc/grpc/blob/main/doc/PROTOCOL-HTTP2.md#requests)
 defined in gRPC protocol.
 
 ### RPC Protocol
@@ -886,7 +886,7 @@ case class HelloResponse(message: String)
 ### RPC Protocol (HTTP/2 for gRPC)
 
 For gRPC backend, see
-also [gRPC over HTTP2](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md) protocol for
+also [gRPC over HTTP2](https://github.com/grpc/grpc/blob/main/doc/PROTOCOL-HTTP2.md) protocol for
 the other HTTP headers.
 
 ```aidl

docs/airframe-rx.md

@@ -5,7 +5,7 @@ title: airframe-rx: ReactiveX interface
 
 airframe-rx is a lightweight [ReactiveX](http://reactivex.io/) implementation for Scala and Scala.js, which can be used for:
 - Streaming support of [Airframe gRPC](airframe-rpc.md)
-- [Interactive rendering of DOM objects](https://github.com/wvlet/airframe/blob/master/airframe-http-rx/.js/src/main/scala/wvlet/airframe/http/rx/html/DOMRenderer.scala) (airframe-http-rx)
+- [Interactive rendering of DOM objects](https://github.com/wvlet/airframe/blob/main/airframe-http-rx/.js/src/main/scala/wvlet/airframe/http/rx/html/DOMRenderer.scala) (airframe-http-rx)
 - etc.
 
 

docs/airframe-ulid.md

@@ -16,7 +16,7 @@ Uses Crockford's base32 for better efficiency and readability (5 bits per charac
 - No special characters (URL safe)
 - Monotonic sort order (correctly detects and handles the same millisecond)
 
-[Source code of airframe-ulid at GitHub](https://github.com/wvlet/airframe/tree/master/airframe-ulid)
+[Source code of airframe-ulid at GitHub](https://github.com/wvlet/airframe/tree/main/airframe-ulid)
 
 ## ULID Format
 
@@ -141,7 +141,7 @@ Comparison targets:
 - [scala-ulid (by Chatwork)](https://github.com/chatwork/scala-ulid)
 - Java's UUID.randomUUID()
 
-[Benchmark code](https://github.com/wvlet/airframe/blob/master/airframe-benchmark/src/main/scala/wvlet/airframe/benchmark/ulid/ULIDBenchmark.scala) using JMH.
+[Benchmark code](https://github.com/wvlet/airframe/blob/main/airframe-benchmark/src/main/scala/wvlet/airframe/benchmark/ulid/ULIDBenchmark.scala) using JMH.
 
 
 ### Scala.js-specific Note