From 3b97bfb426dd78f03f4c40bdb83b90f809d318ef Mon Sep 17 00:00:00 2001
From: Ilya Gorbunov <ilya.gorbunov@jetbrains.com>
Date: Sun, 19 Feb 2023 08:01:21 +0100
Subject: [PATCH] Extract kotlinLanguageVersion to gradle.properties

Read it when building docs in order to keep
docs version filter/language analyzer version in sync with
the language version used to compile libraries.
---
 build.gradle.kts                                    | 2 +-
 gradle.properties                                   | 1 +
 libraries/tools/kotlin-stdlib-docs/build.gradle.kts | 4 +++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/build.gradle.kts b/build.gradle.kts
index 8e602fc4d31..dd7c2790b25 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -63,7 +63,7 @@ val kotlinVersion by extra(
     } ?: buildNumber
 )
 
-val kotlinLanguageVersion by extra("1.9")
+val kotlinLanguageVersion: String by extra
 
 extra["kotlin_root"] = rootDir
 
diff --git a/gradle.properties b/gradle.properties
index 9ffe19b274f..7b606afb726 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -31,6 +31,7 @@ systemProp.org.gradle.kotlin.dsl.precompiled.accessors.strict=true
 
 cacheRedirectorEnabled=true
 defaultSnapshotVersion=1.9.255-SNAPSHOT
+kotlinLanguageVersion=1.9
 
 kotlin.build.gradlePlugin.version=0.0.39
 
diff --git a/libraries/tools/kotlin-stdlib-docs/build.gradle.kts b/libraries/tools/kotlin-stdlib-docs/build.gradle.kts
index fc4dd3ab366..fde39dc6fef 100644
--- a/libraries/tools/kotlin-stdlib-docs/build.gradle.kts
+++ b/libraries/tools/kotlin-stdlib-docs/build.gradle.kts
@@ -18,6 +18,7 @@ val rootProperties = java.util.Properties().apply {
     file(kotlin_root).resolve("gradle.properties").inputStream().use { stream -> load(stream) }
 }
 val defaultSnapshotVersion: String by rootProperties
+val kotlinLanguageVersion: String by rootProperties
 
 val githubRevision = if (isTeamcityBuild) project.property("githubRevision") else "master"
 val artifactsVersion by extra(if (isTeamcityBuild) project.property("deployVersion") as String else defaultSnapshotVersion)
@@ -28,6 +29,7 @@ println("# Parameters summary:")
 println("    isTeamcityBuild: $isTeamcityBuild")
 println("    dokka version: $dokka_version")
 println("    githubRevision: $githubRevision")
+println("    language version: $kotlinLanguageVersion")
 println("    artifacts version: $artifactsVersion")
 println("    artifacts repo: $artifactsRepo")
 
@@ -387,7 +389,7 @@ fun GradleDokkaSourceSetBuilder.sourceLinksFromRoot() {
 }
 
 run {
-    val versions = listOf(/*"1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7",*/ "1.8")
+    val versions = listOf(/*"1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7",*/ kotlinLanguageVersion)
     val latestVersion = versions.last()
 
     // builds this version/all versions as historical for the next versions builds