Fixes to CI, updates to docs (#1)

### What's done:
* Fixed publication not being skipped on not main workers
* Updated ROADMAP.md
* Updated gradle.properties

Author: petertrr

README.md

@@ -3,6 +3,10 @@
 [![License](https://img.shields.io/github/license/petertrr/kotlin-multiplatform-diff)](https://github.com/petertrr/kotlin-multiplatform-diff/blob/main/LICENSE)
 [![codecov](https://codecov.io/gh/petertrr/kotlin-multiplatform-diff/branch/main/graph/badge.svg)](https://codecov.io/gh/petertrr/kotlin-multiplatform-diff)
 
+[![Releases](https://img.shields.io/github/v/release/petertrr/kotlin-multiplatform-diff)](https://github.com/petertrr/kotlin-multiplatform-diff/releases)
+[![Maven Central](https://img.shields.io/maven-central/v/io.github.petertrr/kotlin-multiplatform-diff)](https://mvnrepository.com/artifact/io.github.petertrr)
+[![Awesome Kotlin Badge](https://kotlin.link/awesome-kotlin.svg)](https://github.com/KotlinBy/awesome-kotlin)
+
 This is a port of [java-diff-utils](https://github.com/java-diff-utils/java-diff-utils) to kotlin
 with multiplatform support. All credit for the implementation goes to original authors.
 
@@ -19,4 +23,4 @@ Currently, artifacts for the following platforms are supported:
 * JS (both browser and Node.js)
 * LinuxX64
 * MingwX64
-* MacosX64
+* MacosX64

ROADMAP.md

@@ -0,0 +1,11 @@
+Library:
+* [ ] More kotlin-way API
+    * [ ] Refactor DiffRowGenerator to use kotlin-dsl-style builder
+* [x] Explicit API mode
+* [ ] Working with files
+* [ ] Binary compatibility validator for JVM
+* [ ] Benchmarks on JVM to compare with the original library
+
+Infra:
+* [ ] Static analysis (detekt, diktat)
+* [ ] Git hooks

buildSrc/src/main/kotlin/io/github/petertrr/PublishingConfiguration.kt

@@ -33,30 +33,37 @@ fun Project.configurePublishing() {
     }
 
     configurePublications()
+
+    if (hasProperty("signingKey")) {
+        configureSigning()
+    }
+    if (hasProperty("sonatypeUsername")) {
+        configureNexusPublishing()
+    }
+
     // https://kotlinlang.org/docs/mpp-publish-lib.html#avoid-duplicate-publications
-    val publicationsFromMainHost = listOf("jvm", "js", "kotlinMultiplatform")
-    configure<PublishingExtension> {
-        publications {
-            matching { it.name in publicationsFromMainHost }.all {
+    // Publication with name `kotlinMultiplatform` is for the default artifact.
+    // `configureNexusPublishing` adds sonatype publication tasks inside `afterEvaluate`.
+    rootProject.afterEvaluate {
+        val publicationsFromMainHost = listOf("jvm", "js", "linuxX64", "kotlinMultiplatform", "metadata")
+        configure<PublishingExtension> {
+            publications.matching { it.name in publicationsFromMainHost }.all {
                 val targetPublication = this@all
                 tasks.withType<AbstractPublishToMaven>()
                     .matching { it.publication == targetPublication }
                     .configureEach {
                         onlyIf {
                             // main publishing CI job is executed on Linux host
-                            DefaultNativePlatform.getCurrentOperatingSystem().isLinux
+                            DefaultNativePlatform.getCurrentOperatingSystem().isLinux.apply {
+                                if (!this) {
+                                    logger.lifecycle("Publication ${(it as AbstractPublishToMaven).publication.name} is skipped on current host")
+                                }
+                            }
                         }
                     }
-            }
+                }
         }
     }
-
-    if (hasProperty("signingKey")) {
-        configureSigning()
-    }
-    if (hasProperty("sonatypeUsername")) {
-        configureNexusPublishing()
-    }
 }
 
 private fun Project.configurePublications() {

gradle.properties

@@ -1,2 +1,4 @@
 kotlin.code.style=official
-org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+org.gradle.parallel=true
+org.gradle.vfs.watch=true