From d48553bf3041869afca3eb02445a190f89543379 Mon Sep 17 00:00:00 2001
From: Mustafa Ozhan <mr.mustafa.ozhan@gmail.com>
Date: Thu, 21 Dec 2023 22:15:44 +0100
Subject: [PATCH] [Oztechan/CCC#3020] Fix Library publication issues

---
 build.gradle.kts | 109 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)

diff --git a/build.gradle.kts b/build.gradle.kts
index 8cb834d..eb015ef 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,22 +2,131 @@
  * Copyright (c) 2020 Mustafa Ozhan. All rights reserved.
  */
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+import java.io.IOException
+import java.util.Properties
 
 plugins {
     libs.plugins.apply {
         alias(libs.plugins.kotlinMultiplatform).apply(false)
         alias(libs.plugins.kover)
     }
+    `maven-publish`
 }
 
 allprojects {
+
     apply(plugin = rootProject.libs.plugins.kover.get().pluginId).also {
         rootProject.dependencies.add("kover", project(path))
     }
 
+    Library.apply {
+
+        group = GROUP
+        version = ProjectSettings.getVersionName(project)
+
+        repositories {
+            google()
+            mavenCentral()
+        }
+
+        val emptyJavadocJar by tasks.registering(Jar::class) {
+            archiveClassifier.set("javadoc")
+        }
+
+        afterEvaluate {
+            extensions.findByType<PublishingExtension>()?.apply {
+                repositories {
+                    maven {
+                        url = uri(if (isReleaseBuild) RELEASE_URL else SNAPSHOT_URL)
+                        credentials {
+                            username = getSecret("MAVEN_USERNAME")
+                            password = getSecret("MAVEN_PASSWORD")
+                        }
+                    }
+                }
+
+                publications.withType<MavenPublication>().configureEach {
+                    artifact(emptyJavadocJar.get())
+
+                    pom {
+                        name.set(NAME)
+                        description.set(DESCRIPTION)
+                        url.set(URL)
+
+                        licenses {
+                            license {
+                                name.set(LICENSE_NAME)
+                                url.set(LICENSE_URL)
+                                distribution.set(LICENSE_DISTRIBUTION)
+                            }
+                        }
+                        developers {
+                            developer {
+                                id.set(DEVELOPER_ID)
+                                name.set(DEVELOPER_NAME)
+                                email.set(DEVELOPER_EMAIL)
+                            }
+                        }
+                        scm { url.set(URL) }
+                    }
+                }
+            }
+
+            extensions.findByType<PublishingExtension>()?.let { publishing ->
+                val key = getSecret("GPG_KEY").replace("\\n", "\n")
+                val password = getSecret("GPG_PASSWORD")
+
+                extensions.findByType<SigningExtension>()?.apply {
+                    useInMemoryPgpKeys(key, password)
+                    sign(publishing.publications)
+                }
+            }
+
+            tasks.withType<Sign>().configureEach {
+                onlyIf { isReleaseBuild }
+            }
+        }
+    }
+
     tasks.withType<KotlinCompile> {
         kotlinOptions {
             allWarningsAsErrors = true
         }
     }
 }
+
+val isReleaseBuild: Boolean
+    get() = System.getenv("GPG_KEY") != null
+
+fun getSecret(
+    key: String,
+    default: String = "secret" // these values can not be public
+): String = System.getenv(key).let {
+    if (it.isNullOrEmpty()) {
+        getSecretProperties()?.get(key)?.toString() ?: default
+    } else {
+        it
+    }
+}
+
+fun getSecretProperties() = try {
+    Properties().apply { load(file("key.properties").inputStream()) }
+} catch (e: IOException) {
+    logger.debug(e.message, e)
+    null
+}
+
+object Library {
+    const val GROUP = "com.github.submob"
+    const val URL = "https://github.com/SubMob/ScopeMob"
+    const val NAME = "ScopeMob"
+    const val DESCRIPTION = "Set of useful scope and higher-order functions"
+    const val DEVELOPER_NAME = "Mustafa Ozhan"
+    const val DEVELOPER_ID = "mustafaozhan"
+    const val DEVELOPER_EMAIL = "mr.mustafa.ozhan@gmail.com"
+    const val LICENSE_NAME = "The Apache Software License, Version 2.0"
+    const val LICENSE_URL = "http://www.apache.org/licenses/LICENSE-2.0.txt"
+    const val LICENSE_DISTRIBUTION = "repo"
+    const val RELEASE_URL = "https://s01.oss.sonatype.org/service/local/staging/deploy/maven2"
+    const val SNAPSHOT_URL = "https://s01.oss.sonatype.org/content/repositories/snapshots"
+}