From e39cfe7d73cd2dce4d10429bac6bd8225734b614 Mon Sep 17 00:00:00 2001
From: Marco Ferrer <35935108+marcoferrer@users.noreply.github.com>
Date: Mon, 3 Feb 2020 23:19:47 -0500
Subject: [PATCH] Add artifact version resolution support to gradle plugin
 (#107)

* add artifact version resolution via gradle plugin

* update version and add note to example project
---
 CHANGELOG.md                                       |  3 +++
 example-project/build.gradle                       |  6 ++++--
 kroto-plus-gradle-plugin/build.gradle              | 10 ++++++++--
 .../krotoplus/gradle/KrotoPlusGradlePlugin.kt      | 14 ++++++++++++++
 4 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17821c4..ecb8492 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,9 @@ _2020-02-03_
 #### Proto Builders (DSL)
 * Fix: Dsl marker interfaces are properly omitted from generated code when disabled [PR-106](https://github.com/marcoferrer/kroto-plus/pull/106) 
 
+#### Gradle Plugin 
+* New: Automatically configure artifact version for project kroto dependencies with missing version [PR-107](https://github.com/marcoferrer/kroto-plus/pull/107) Thanks to @Fleshgrinder
+
 ## Version 0.6.0
 _2019-12-26_
 * New: Update to Kotlin `1.3.61` [PR-97](https://github.com/marcoferrer/kroto-plus/pull/97)
diff --git a/example-project/build.gradle b/example-project/build.gradle
index 72a0b0b..cdc4e5a 100644
--- a/example-project/build.gradle
+++ b/example-project/build.gradle
@@ -24,7 +24,7 @@ plugins {
     id 'idea'
     id 'com.google.protobuf' version '0.8.8'
     id "org.jetbrains.kotlin.jvm" version "1.3.50"
-    id "com.github.marcoferrer.kroto-plus" version "0.6.0"
+    id "com.github.marcoferrer.kroto-plus" version "0.6.1"
 }
 
 group = 'com.github.marcoferrer.krotoplus'
@@ -62,10 +62,12 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:${versions.coroutines}"
     implementation "com.google.protobuf:protobuf-java:${versions.protobuf}"
-    implementation "com.github.marcoferrer.krotoplus:kroto-plus-coroutines:${versions.krotoplus}"
     implementation "com.github.marcoferrer.krotoplus:kroto-plus-test:${versions.krotoplus}"
     implementation "com.github.marcoferrer.krotoplus:kroto-plus-message:${versions.krotoplus}"
 
+    // Alternatively you can omit the artifact version if the Kroto+ gradle plugin is applied.
+    implementation "com.github.marcoferrer.krotoplus:kroto-plus-coroutines"
+
     implementation "io.grpc:grpc-protobuf:${versions.grpc}",
             "io.grpc:grpc-stub:${versions.grpc}",
             "io.grpc:grpc-netty:${versions.grpc}"
diff --git a/kroto-plus-gradle-plugin/build.gradle b/kroto-plus-gradle-plugin/build.gradle
index 29ccb5f..814a467 100644
--- a/kroto-plus-gradle-plugin/build.gradle
+++ b/kroto-plus-gradle-plugin/build.gradle
@@ -64,10 +64,16 @@ protobuf {
     generateProtoTasks {
         def krotoConfig = file("krotoPlusConfig.asciipb")
 
-        all().each{ task ->
+        all().each { task ->
             task.dependsOn ':kroto-plus-gradle-plugin:gen-config-dsl:jar'
             configProtoTaskWithKroto(task, krotoConfig)
         }
     }
 
-}
\ No newline at end of file
+}
+
+tasks.withType(Jar).each { task ->
+    task.manifest {
+        attributes 'Implementation-Version': project.version
+    }
+}
diff --git a/kroto-plus-gradle-plugin/src/main/kotlin/com/github/marcoferrer/krotoplus/gradle/KrotoPlusGradlePlugin.kt b/kroto-plus-gradle-plugin/src/main/kotlin/com/github/marcoferrer/krotoplus/gradle/KrotoPlusGradlePlugin.kt
index dc84cc1..7961797 100644
--- a/kroto-plus-gradle-plugin/src/main/kotlin/com/github/marcoferrer/krotoplus/gradle/KrotoPlusGradlePlugin.kt
+++ b/kroto-plus-gradle-plugin/src/main/kotlin/com/github/marcoferrer/krotoplus/gradle/KrotoPlusGradlePlugin.kt
@@ -39,9 +39,23 @@ class KrotoPlusGradlePlugin : Plugin<Project> {
                 }
             }
         }
+
+        project.configurations.all { config ->
+            config.resolutionStrategy.eachDependency { details ->
+                if(details.requested.group == "com.github.marcoferrer.krotoplus" &&
+                    details.requested.version.isNullOrBlank()) {
+
+                    details.useVersion(Manifest.implVersion)
+                }
+            }
+        }
     }
 
     companion object {
         private const val PROTOBUF_PLUGIN_ID = "com.google.protobuf"
     }
 }
+
+object Manifest {
+    val implVersion = this::class.java.`package`.implementationVersion.orEmpty()
+}
\ No newline at end of file