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Check for Java 17 toolchain and fail if not found #6303

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merged 2 commits into from
Mar 21, 2024
Merged

Check for Java 17 toolchain and fail if not found #6303

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8ca11c3
Enforce and clarify that Java17 is required
bogdandrutu Mar 18, 2024
c961087
Check for java 17 launcher
jack-berg Mar 21, 2024
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18 changes: 13 additions & 5 deletions buildSrc/build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,23 @@ plugins {
id("com.diffplug.spotless") version "6.25.0"
}

if (!JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_17)) {
if (!hasLauncherForJavaVersion(17)) {
throw GradleException(
"JDK 17 or higher is required to build. " +
"One option is to download it from https://adoptium.net/. If you believe you already " +
"have it, please check that the JAVA_HOME environment variable is pointing at the " +
"JDK 17 installation.",
"JDK 17 is required to build and gradle was unable to detect it on the system. " +
"Please install it and see https://docs.gradle.org/current/userguide/toolchains.html#sec:auto_detection " +
"for details on how gradle detects java toolchains."
)
}

fun hasLauncherForJavaVersion(version: Int): Boolean {
return try {
javaToolchains.launcherFor { languageVersion = JavaLanguageVersion.of(version) }.get()
true
} catch (e: Exception) {
false
}
}

spotless {
kotlinGradle {
ktlint().editorConfigOverride(mapOf(
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