Make Gradle logic reusable

buildSrc/build.gradle.kts

@@ -3,5 +3,17 @@ plugins {
 }
 
 repositories {
- jcenter()
+ mavenCentral()
+ gradlePluginPortal()
+}
+
+fun plugin(id: String, version: String) = "$id:$id.gradle.plugin:$version"
+
+dependencies {
+ implementation(plugin(id = "com.gradle.plugin-publish", version = "0.20.0"))
+ implementation(plugin(id = "org.jetbrains.kotlin.jvm", version = "1.9.20"))
+}
+
+kotlin {
+ compilerOptions.freeCompilerArgs.add("-Xcontext-receivers")
 }

buildSrc/src/main/kotlin/kotlin-jvm-lib.gradle.kts

@@ -0,0 +1,35 @@
+import org.gradle.api.publish.maven.MavenPublication
+import org.gradle.kotlin.dsl.*
+import publishing.trySignAll
+
+plugins {
+ java
+ kotlin("jvm")
+ `maven-publish`
+ signing
+}
+
+java { withSourcesJar() }
+kotlin { jvmToolchain(8) }
+signing { trySignAll() }
+
+dependencies {
+ testImplementation(kotlin("test"))
+}
+
+publishing {
+ publications.withType<MavenPublication> {
+ artifact(tasks.emptyJavadocJar())
+ setupPom()
+ }
+ publications {
+ create<MavenPublication>("maven") {
+ from(components["java"])
+ }
+ mavenCentralStagingPublishing(
+ project = project,
+ repositoryId = System.getenv("sonatype_staging_repo_id")
+ )
+ sonatypeSnapshotsPublishing(project = project)
+ }
+}

buildSrc/src/main/kotlin/publishing/Signing.kt

@@ -0,0 +1,17 @@
+package publishing
+
+import gradle.kotlin.dsl.accessors._08d0b7ba318b04adf2094ca092a1d609.publishing
+import org.gradle.api.Project
+import org.gradle.plugins.signing.SigningExtension
+import propertyOrEnv
+import propertyOrEnvOrNull
+
+context (Project)
+fun SigningExtension.trySignAll() {
+ useInMemoryPgpKeys(
+ propertyOrEnvOrNull("GPG_key_id"), // If using a sub-key.
+ propertyOrEnvOrNull("GPG_private_key") ?: return,
+ propertyOrEnv("GPG_private_password")
+ )
+ sign(publishing.publications)
+}

lib-publishing-helpers/build.gradle.kts

@@ -1,48 +1,5 @@
 plugins {
- java
- kotlin("jvm") version "1.7.10"
- `maven-publish`
- signing
+ `kotlin-jvm-lib`
 }
 
 group = "com.louiscad.incubator"
-version = "0.2.5"
-
-repositories {
- mavenCentral()
-}
-
-dependencies {
- testImplementation(kotlin("test"))
-}
-
-java {
- sourceCompatibility = JavaVersion.VERSION_1_8
- withSourcesJar()
-}
-
-signing {
- useInMemoryPgpKeys(
- propertyOrEnvOrNull("GPG_key_id"),
- propertyOrEnvOrNull("GPG_private_key") ?: return@signing,
- propertyOrEnv("GPG_private_password")
- )
- sign(publishing.publications)
-}
-
-publishing {
- publications.withType<MavenPublication> {
- artifact(tasks.emptyJavadocJar())
- setupPom()
- }
- publications {
- create<MavenPublication>("maven") {
- from(components["java"])
- }
- mavenCentralStagingPublishing(
- project = project,
- repositoryId = System.getenv("sonatype_staging_repo_id")
- )
- sonatypeSnapshotsPublishing(project = project)
- }
-}

settings.gradle.kts

@@ -1,2 +1,14 @@
 rootProject.name = "LibPublishingHelpers"
 include("lib-publishing-helpers")
+
+dependencyResolutionManagement {
+ repositories {
+ mavenCentral()
+ }
+}
+
+val versionOfThisProject: String = file("version.txt").bufferedReader().use { it.readLine() }
+
+gradle.beforeProject {
+ version = versionOfThisProject
+}

version.txt

@@ -0,0 +1 @@
+0.2.6-SNAPSHOT