build.gradle.kts

import org.jetbrains.changelog.Changelog
import org.jetbrains.changelog.markdownToHTML

fun properties(key: String) = providers.gradleProperty(key)
fun environment(key: String) = providers.environmentVariable(key)

plugins {
    id("java") // Java support
    alias(libs.plugins.kotlin) // Kotlin support
    alias(libs.plugins.gradleIntelliJPlugin) // Gradle IntelliJ Plugin
    alias(libs.plugins.changelog) // Gradle Changelog Plugin
}

group = properties("pluginGroup").get()
version = properties("pluginVersion").get()

// Configure project's dependencies
repositories {
    mavenCentral()
}

// Set the JVM language level used to build the project. Use Java 11 for 2020.3+, and Java 17 for 2022.2+.
kotlin {
    @Suppress("UnstableApiUsage") jvmToolchain {
        languageVersion = JavaLanguageVersion.of(17)
        vendor = JvmVendorSpec.JETBRAINS
    }
}

// Configure Gradle IntelliJ Plugin - read more: https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
intellij {
    pluginName = properties("pluginName")
    version = properties("platformVersion")
    type = properties("platformType")

    // Plugin Dependencies. Uses `platformPlugins` property from the gradle.properties file.
    plugins = properties("platformPlugins").map { it.split(',').map(String::trim).filter(String::isNotEmpty) }
}

// Configure Gradle Changelog Plugin - read more: https://github.com/JetBrains/gradle-changelog-plugin
changelog {
    groups.empty()
    repositoryUrl = properties("pluginRepositoryUrl")
}

tasks {
    wrapper {
        gradleVersion = properties("gradleVersion").get()
    }

    patchPluginXml {
        version = properties("pluginVersion")
        sinceBuild = properties("pluginSinceBuild")
        untilBuild = properties("pluginUntilBuild")

        // Extract the <!-- Plugin description --> section from README.md and provide for the plugin's manifest
        pluginDescription = providers.fileContents(layout.projectDirectory.file("README.md")).asText.map {
            val start = "<!-- Plugin description -->"
            val end = "<!-- Plugin description end -->"

            with(it.lines()) {
                if (!containsAll(listOf(start, end))) {
                    throw GradleException("Plugin description section not found in README.md:\n$start ... $end")
                }
                subList(indexOf(start) + 1, indexOf(end)).joinToString("\n").let(::markdownToHTML)
            }
        }

        val changelog = project.changelog // local variable for configuration cache compatibility
        // Get the latest available change notes from the changelog file
        changeNotes = properties("pluginVersion").map { pluginVersion ->
            with(changelog) {
                renderItem(
                        (getOrNull(pluginVersion) ?: getUnreleased()).withHeader(false).withEmptySections(false),
                        Changelog.OutputType.HTML,
                )
            }
        }
    }

    signPlugin {
        certificateChain = environment("CERTIFICATE_CHAIN")
        privateKey = environment("PRIVATE_KEY")
        password = environment("PRIVATE_KEY_PASSWORD")
    }

    publishPlugin {
        dependsOn("patchChangelog")
        token = environment("PUBLISH_TOKEN")
        // The pluginVersion is based on the SemVer (https://semver.org) and supports pre-release labels, like 2.1.7-alpha.3
        // Specify pre-release label to publish the plugin in a custom Release Channel automatically. Read more:
        // https://plugins.jetbrains.com/docs/intellij/deployment.html#specifying-a-release-channel
        channels = properties("pluginVersion").map { listOf(it.split('-').getOrElse(1) { "default" }.split('.').first()) }
    }
}