Renamed default branch to main, update CI (#2679)

This includes links and mention of branches in the reference
guide, and targets 3.3.x for consistency of said guides.

Co-authored-by: Simon Baslé <sbasle@vmware.com>

.github/workflows/publish.yml

@@ -2,7 +2,7 @@ name: publish
 on:
   push:
     branches: # For branches, better to list them explicitly than regexp include
-      - master
+      - main
       - 3.3.x
 jobs:
   # General job notes: we DON'T want to cancel any previous runs, especially in the case of a "back to snapshots" build right after a release push

README.md

@@ -5,7 +5,7 @@
 
 [![Download](https://api.bintray.com/packages/spring/jars/io.projectreactor/images/download.svg)](https://bintray.com/spring/jars/io.projectreactor/_latestVersion)
 
-[![Travis CI](https://travis-ci.org/reactor/reactor-core.svg?branch=master)](https://travis-ci.org/reactor/reactor-core)
+[![CI on GHA](https://github.com/reactor/reactor-core/actions/workflows/publish.yml/badge.svg)](https://github.com/reactor/reactor-core/actions/workflows/publish.yml)
 [![Codecov](https://img.shields.io/codecov/c/github/reactor/reactor-core.svg)]()
 [![Code Quality: Java](https://img.shields.io/lgtm/grade/java/g/reactor/reactor-core.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/reactor/reactor-core/context:java)
 [![Total Alerts](https://img.shields.io/lgtm/alerts/g/reactor/reactor-core.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/reactor/reactor-core/alerts)

docs/asciidoc/aboutDoc.adoc

@@ -16,7 +16,7 @@ copy contains this Copyright Notice, whether distributed in print or electronica
 == Contributing to the Documentation
 The reference guide is written in
 https://asciidoctor.org/docs/asciidoc-writers-guide/[Asciidoc], and you can find its sources at
-https://github.com/reactor/reactor-core/tree/master/docs/asciidoc.
+https://github.com/reactor/reactor-core/tree/main/docs/asciidoc.
 
 If you have an improvement or a suggestion, we will be happy to get a pull request from you!
 
@@ -29,7 +29,7 @@ ifeval::["{backend}" == "html5"]
 TIP: To facilitate documentation edits, most sections have a link at the end that opens
 an edit UI directly on GitHub for the main source file for that section. These links are
 only present in the HTML5 version of this reference guide. They look like the following:
-link:https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/aboutDoc.adoc[Suggest Edit^, role="fa fa-edit"] to <<about-doc>>.
+link:https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/aboutDoc.adoc[Suggest Edit^, role="fa fa-edit"] to <<about-doc>>.
 endif::[]
 
 == Getting Help
@@ -44,9 +44,9 @@ essential features) and https://github.com/reactor/reactor-addons/issues[reactor
 (which covers reactor-test and adapters issues).
 
 NOTE: All of Reactor is open source,
-https://github.com/reactor/reactor-core/tree/master/docs/asciidoc[including this
+https://github.com/reactor/reactor-core/tree/main/docs/asciidoc[including this
 documentation]. If you find problems with the docs or if you want to improve them,
-please https://github.com/reactor/.github/blob/master/CONTRIBUTING.md[get involved].
+please https://github.com/reactor/.github/blob/main/CONTRIBUTING.md[get involved].
 
 == Where to Go from Here
 * Head to <<getting-started>> if you feel like jumping straight into the code.

docs/asciidoc/gettingStarted.adoc

@@ -261,6 +261,6 @@ repositories {
 [[support]]
 == Support and policies
 
-The entries below are mirroring https://github.com/reactor/.github/blob/master/SUPPORT.adoc
+The entries below are mirroring https://github.com/reactor/.github/blob/main/SUPPORT.adoc
 
-include::https://raw.githubusercontent.com/reactor/.github/master/SUPPORT.adoc[leveloffset=3]
+include::https://raw.githubusercontent.com/reactor/.github/main/SUPPORT.adoc[leveloffset=3]

docs/asciidoc/highlight/CHANGES.md

@@ -699,7 +699,7 @@ We're going to redesign the old [demo/test suite][demo] into an interactive
 demo web app. If you're confident front-end developer or designer and want to
 help us with it, drop a comment into [the issue][#542] on GitHub.
 
-[test]: https://github.com/isagalaev/highlight.js/tree/master/test
+[test]: https://github.com/isagalaev/highlight.js/tree/main/test
 [demo]: https://highlightjs.org/static/test.html
 [#542]: https://github.com/isagalaev/highlight.js/issues/542
 [ci]: https://travis-ci.org/isagalaev/highlight.js

docs/asciidoc/highlight/README.md

@@ -1,6 +1,7 @@
 # Highlight.js
 
-[![Build Status](https://travis-ci.org/isagalaev/highlight.js.svg?branch=master)](https://travis-ci.org/isagalaev/highlight.js)
+[![Build Status](https://travis-ci.org/isagalaev/highlight.js.svg?branch=main)]
+(https://travis-ci.org/isagalaev/highlight.js)
 
 Highlight.js is a syntax highlighter written in JavaScript. It works in
 the browser as well as on the server. It works with pretty much any
@@ -146,5 +147,5 @@ Authors and contributors are listed in the [AUTHORS.en.txt][8] file.
 [4]: https://highlightjs.readthedocs.io/en/latest/api.html#configure-options
 [5]: https://highlightjs.org/download/
 [6]: https://highlightjs.readthedocs.io/en/latest/building-testing.html
-[7]: https://github.com/isagalaev/highlight.js/blob/master/LICENSE
-[8]: https://github.com/isagalaev/highlight.js/blob/master/AUTHORS.en.txt
+[7]: https://github.com/isagalaev/highlight.js/blob/main/LICENSE
+[8]: https://github.com/isagalaev/highlight.js/blob/main/AUTHORS.en.txt

docs/asciidoc/highlight/README.ru.md

@@ -138,5 +138,5 @@ Highlight.js распространяется под лицензией BSD. П
 [4]: https://highlightjs.readthedocs.io/en/latest/api.html#configure-options
 [5]: https://highlightjs.org/download/
 [6]: https://highlightjs.readthedocs.io/en/latest/building-testing.html
-[7]: https://github.com/isagalaev/highlight.js/blob/master/LICENSE
-[8]: https://github.com/isagalaev/highlight.js/blob/master/AUTHORS.ru.txt
+[7]: https://github.com/isagalaev/highlight.js/blob/main/LICENSE
+[8]: https://github.com/isagalaev/highlight.js/blob/main/AUTHORS.ru.txt

docs/asciidoc/index.asciidoc

@@ -9,86 +9,86 @@ ifndef::host-github[:ext-relative: {outfilesuffix}]
 
 include::aboutDoc.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/aboutDoc.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/aboutDoc.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<about-doc>>"
 endif::[]
 
 include::gettingStarted.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/gettingStarted.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/gettingStarted.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<getting-started>>"
 endif::[]
 
 include::reactiveProgramming.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/reactiveProgramming.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/reactiveProgramming.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<intro-reactive>>"
 endif::[]
 
 include::coreFeatures.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/coreFeatures.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/coreFeatures.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<core-features>>"
 endif::[]
 
 //TODO see other sections from consuming.adoc
 
 include::kotlin.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/kotlin.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/kotlin.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<kotlin>>"
 endif::[]
 
 include::testing.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/testing.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/testing.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<testing>>"
 endif::[]
 
 include::debugging.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/debugging.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/debugging.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<debugging>>"
 endif::[]
 
 include::metrics.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/metrics.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/metrics.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<metrics>>"
 endif::[]
 
 include::advancedFeatures.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/advancedFeatures.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/advancedFeatures.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<advanced>>"
 endif::[]
 
 
 [appendix]
 include::apdx-operatorChoice.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/apdx-operatorChoice.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/apdx-operatorChoice.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<which-operator>>"
 endif::[]
 
 [appendix]
 include::apdx-howtoReadMarbles.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/apdx-howtoReadMarbles.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/apdx-howtoReadMarbles.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<howtoReadMarbles>>"
 endif::[]
 
 [appendix]
 include::faq.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/faq.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/faq.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<faq>>"
 endif::[]
 
 [appendix]
 include::apdx-reactorExtra.adoc[leveloffset=1]
 ifeval::["{backend}" == "html5"]
-https://github.com/reactor/reactor-core/edit/master/docs/asciidoc/apdx-reactorExtra.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
+https://github.com/reactor/reactor-core/edit/main/docs/asciidoc/apdx-reactorExtra.adoc[Suggest Edit^, title="Suggest an edit to the above section via github", role="fa fa-edit"]
 to "<<reactor-extra>>"
 endif::[]
 

docs/asciidoc/processors.adoc

@@ -77,7 +77,8 @@ draining it.
 TIP: One way of publishing events onto different threads is to use the `EmitterProcessor`
 combined with `publishOn(Scheduler)`. This can for example replace the former `TopicProcessor`,
 which was using `Unsafe` operations and has been moved to
-https://github.com/reactor/reactor-addons/tree/master/reactor-extra/src/main/java/reactor/extra/processor[reactor-extra]
+https://github.com/reactor/reactor-addons/tree/main/reactor-extra/src/main/java/reactor
+/extra/processor[reactor-extra]
 in 3.3.0.
 
 == Direct Processor

docs/asciidoc/testing.adoc

@@ -6,7 +6,7 @@ automated testing is always a good idea.
 
 Reactor comes with a few elements dedicated to testing, gathered into their own
 artifact: `reactor-test`. You can find that project
-https://github.com/reactor/reactor-core/tree/master/reactor-test/src[on Github],
+https://github.com/reactor/reactor-core/tree/main/reactor-test/src[on Github],
 inside of the `reactor-core` repository.
 
 To use it in your tests, you must add it as a test dependency.