Gradle configuration for publishing to a bintray repository

sdks/android/Mentat/build.gradle

@@ -2,6 +2,11 @@
 
 buildscript {
     ext.kotlin_version = '1.2.41'
+
+    ext.library = [
+            version: '0.3.1'
+    ]
+
     repositories {
         jcenter()
         google()
@@ -10,6 +15,10 @@ buildscript {
         classpath 'com.android.tools.build:gradle:3.1.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
+        // Publish.
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
+
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }

sdks/android/Mentat/gradle.properties

@@ -15,3 +15,12 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+
+libGroupId=org.mozilla.mentat
+libRepositoryName=Mentat
+libProjectName=mentat
+libProjectDescription=A persistent, relational store inspired by Datomic and DataScript.
+libUrl=https://github.com/mozilla/mentat
+libVcsUrl=https://github.com/mozilla/mentat.git
+
+libLicense=MPL-2.0

sdks/android/Mentat/library/build.gradle

@@ -1,5 +1,8 @@
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
+apply plugin: 'com.jfrog.bintray'
+// Simply applying this plugin gets bintray to publish a pom file.
+apply plugin: 'com.github.dcendents.android-maven'
 
 android {
     compileSdkVersion 27
@@ -46,3 +49,51 @@ dependencies {
 repositories {
     mavenCentral()
 }
+
+// Publishing to jcenter/bintray.
+def libGroupId = properties.libGroupId
+def libRepoName = properties.libRepositoryName
+def libProjectName = properties.libProjectName
+def libProjectDescription = properties.libProjectDescription
+def libUrl = properties.libUrl
+def libVcsUrl = properties.libVcsUrl
+def libLicense = properties.libLicense
+
+Properties localProperties = null
+if (project.rootProject.file('local.properties').canRead()) {
+    localProperties = new Properties()
+    localProperties.load(project.rootProject.file('local.properties').newDataInputStream())
+}
+
+version = rootProject.ext.library['version']
+
+task sourcesJar(type: Jar) {
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'sources'
+}
+
+artifacts {
+    archives sourcesJar
+}
+
+
+group = libGroupId
+archivesBaseName = libProjectName
+
+bintray {
+    user = localProperties != null ? localProperties.getProperty("bintray.user") : ""
+    key = localProperties != null ? localProperties.getProperty("bintray.apikey") : ""
+
+    configurations = ['archives']
+    pkg {
+        repo = libRepoName
+        name = libProjectName
+        userOrg = "grisha" // Temporary org name until package is on jcenter. Issue #725.
+        desc = libProjectDescription
+        websiteUrl = libUrl
+        vcsUrl = libVcsUrl
+        licenses = [libLicense]
+        publish = true
+        publicDownloadNumbers = true
+    }
+}