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import org.gradle.kotlin.dsl.support.appendReproducibleNewLine
import org.jetbrains.registerDokkaArtifactPublication
plugins {
id("org.jetbrains.conventions.kotlin-jvm")
id("org.jetbrains.conventions.maven-publish")
id("org.jetbrains.conventions.maven-cli-setup")
}
dependencies {
implementation(project(":core"))
implementation("org.apache.maven:maven-core:${setupMavenProperties.mavenVersion.get()}")
implementation("org.apache.maven:maven-plugin-api:${setupMavenProperties.mavenVersion.get()}")
implementation("org.apache.maven.plugin-tools:maven-plugin-annotations:${setupMavenProperties.mavenPluginToolsVersion.get()}")
implementation("org.apache.maven:maven-archiver:2.5")
implementation(kotlin("stdlib-jdk8"))
}
val mavenPluginTaskGroup = "maven plugin"
val generatePom by tasks.registering(Sync::class) {
description = "Generate pom.xml for Maven Plugin Plugin"
group = mavenPluginTaskGroup
val dokka_version: String by project
inputs.property("dokka_version", dokka_version)
val pomTemplateFile = layout.projectDirectory.file("pom.template.xml")
val mavenVersion = setupMavenProperties.mavenVersion.get()
val mavenPluginToolsVersion = setupMavenProperties.mavenPluginToolsVersion.get()
from(pomTemplateFile) {
rename { it.replace(".template.xml", ".xml") }
expand(
"mavenVersion" to mavenVersion,
"dokka_version" to dokka_version,
"mavenPluginToolsVersion" to mavenPluginToolsVersion,
)
}
into(temporaryDir)
}
val prepareMavenPluginBuildDir by tasks.registering(Sync::class) {
description = "Prepares all files for Maven Plugin task execution"
group = mavenPluginTaskGroup
from(tasks.compileKotlin.flatMap { it.destinationDirectory }) { into("classes/java/main") }
from(tasks.compileJava.flatMap { it.destinationDirectory }) { into("classes/java/main") }
from(generatePom)
into(setupMavenProperties.mavenBuildDir)
}
val helpMojo by tasks.registering(Exec::class) {
group = mavenPluginTaskGroup
dependsOn(tasks.installMavenBinary, prepareMavenPluginBuildDir)
workingDir(setupMavenProperties.mavenBuildDir)
executable(setupMavenProperties.mvn.get())
args("-e", "-B", "org.apache.maven.plugins:maven-plugin-plugin:helpmojo")
outputs.dir(setupMavenProperties.mavenBuildDir)
doLast("normalize maven-plugin-help.properties") {
// The maven-plugin-help.properties file contains a timestamp by default.
// It should be removed as it is not reproducible and impacts Gradle caching
val pluginHelpProperties = workingDir.resolve("maven-plugin-help.properties")
pluginHelpProperties.writeText(
buildString {
val lines = pluginHelpProperties.readText().lines().iterator()
// the first line is a descriptive comment
appendReproducibleNewLine(lines.next())
// the second line is the timestamp, which should be ignored
lines.next()
// the remaining lines are properties
lines.forEach { appendReproducibleNewLine(it) }
}
)
}
}
val pluginDescriptor by tasks.registering(Exec::class) {
group = mavenPluginTaskGroup
dependsOn(tasks.installMavenBinary, prepareMavenPluginBuildDir)
workingDir(setupMavenProperties.mavenBuildDir)
executable(setupMavenProperties.mvn.get())
args("-e", "-B", "org.apache.maven.plugins:maven-plugin-plugin:descriptor")
outputs.dir(layout.buildDirectory.dir("maven/classes/java/main/META-INF/maven"))
}
tasks.jar {
dependsOn(pluginDescriptor, helpMojo)
metaInf {
from(setupMavenProperties.mavenBuildDir.map { it.dir("classes/java/main/META-INF") })
}
manifest {
attributes("Class-Path" to configurations.runtimeClasspath.map { configuration ->
configuration.resolve().joinToString(" ") { it.name }
})
}
duplicatesStrategy = DuplicatesStrategy.WARN
}
registerDokkaArtifactPublication("dokkaMavenPlugin") {
artifactId = "dokka-maven-plugin"
}
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