Modernize Antora Build

.gitignore

@@ -18,4 +18,6 @@ exportToHtml
 .rulesets
 .gradletasknamecache
 *.iml
-.idea
+.idea
+node_modules/
+.full-build

build.gradle

@@ -140,13 +140,6 @@ ext {
 
 	// Antora
 	antoraPluginVersion = '1.0.0'
-	antoraVersion = '3.2.0-alpha.4'
-	antoraAtlasExtensionVersion = '1.0.0-alpha.1'
-	antoraPdfExtensionVersion = '1.0.0-alpha.7'
-	antoraCollectorExtensionVersion = '1.0.0-alpha.3'
-	asciiDocTabVersion = '1.0.0-beta.6'
-	springIoAntoraExtensionsVersion = '1.8.2'
-	springIoAsciidoctorExtensionsVersion = '1.0.0-alpha.9'
 
 	javadocLinks = ["https://docs.oracle.com/javase/8/docs/api/",
 					// Use Reactive Streams 1.0.3 version for javadoc generation

docs/antora-playbook.yml

@@ -1,19 +1,13 @@
 antora:
   extensions:
-    - '@springio/antora-extensions/partial-build-extension'
-    # atlas-extension must be before latest-version-extension so latest versions are applied to imported versions
-    - '@antora/atlas-extension'
-    - require: '@springio/antora-extensions/latest-version-extension'
-    - require: '@springio/antora-extensions/inject-collector-cache-config-extension'
-    - '@antora/collector-extension'
     - id: pdf-extension # pdf-extension is enabled from antora-docs.gradle
       require: '@antora/pdf-extension'
       enabled: false
-    - require: '@springio/antora-extensions/root-component-extension'
+    - require: '@springio/antora-extensions'
       root_component_name: 'reactor-netty'
 site:
   title: Reactor Netty Reference Guide
-  url: https://projectreactor.io/docs/netty/release/reference/
+  url: https://projectreactor.io/docs/netty/milestone/reference/
 content:
   sources:
     - url: ./..
@@ -24,6 +18,7 @@ asciidoc:
   extensions:
     - '@asciidoctor/tabs'
     - '@springio/asciidoctor-extensions'
+    - '@springio/asciidoctor-extensions/include-code-extension'
   attributes:
     page-stackoverflow-url: https://stackoverflow.com/tags/reactor-netty
     page-pagination: ''

docs/package.json

@@ -0,0 +1,11 @@
+{
+	"dependencies": {
+		"antora": "3.2.0-alpha.4",
+		"@antora/atlas-extension": "1.0.0-alpha.2",
+		"@antora/collector-extension": "1.0.0-alpha.3",
+		"@antora/pdf-extension": "1.0.0-alpha.7",
+		"@asciidoctor/tabs": "1.0.0-beta.6",
+		"@springio/antora-extensions": "1.11.1",
+		"@springio/asciidoctor-extensions": "1.0.0-alpha.10"
+	}
+}

gradle/antora-docs.gradle

@@ -26,9 +26,7 @@ def isCommandAvailable(String command) {
 }
 
 antora {
-	version = "$antoraVersion"
-	playbook = findProperty('antora.playbook') ?: "antora-playbook.yml"
-	options = ['--clean', '--stacktrace']
+	options = [clean: true, fetch: !project.gradle.startParameter.offline, stacktrace: true]
 
 	def version = project.version
 	def forcePdf = project.hasProperty('forcePdf')
@@ -43,19 +41,12 @@ antora {
 	}
 
 	environment = [
+			'BUILD_REFNAME': 'HEAD',
+			'BUILD_VERSION': project.version,
 			'ALGOLIA_API_KEY'   : 'd4bf9918bfc7d63ae68fbf92d69c2f49',
 			'ALGOLIA_APP_ID'    : '82SNR5M8HE',
 			'ALGOLIA_INDEX_NAME': 'projectreactor'
 	]
-
-	dependencies = [
-			'@antora/atlas-extension'         : "$antoraAtlasExtensionVersion",
-			'@antora/pdf-extension'           : "$antoraPdfExtensionVersion",
-			'@antora/collector-extension'     : "$antoraCollectorExtensionVersion",
-			'@asciidoctor/tabs'               : "$asciiDocTabVersion",
-			'@springio/antora-extensions'     : "$springIoAntoraExtensionsVersion",
-			'@springio/asciidoctor-extensions': "$springIoAsciidoctorExtensionsVersion"
-	]
 }
 
 jar {