Added Gradle plugin publishing script. Scripts clean up.

Author: alexvasilkov

build.gradle

@@ -1,14 +1,30 @@
+buildscript {
+    apply from: 'gradle/scripts/gradle_publish_buildscript.gradle', to: buildscript
+}
+
 apply plugin: 'groovy'
 
+ext.group = 'com.alexvasilkov'
+ext.artifactId = 'gradle-git-dependencies'
+ext.version = '2.0.0'
+ext.name = 'Git Dependencies plugin'
+ext.description = 'Gradle plugin to add external git repos as project dependencies'
+ext.github = 'https://github.com/alexvasilkov/GradleGitDependenciesPlugin'
+ext.githubScm = 'scm:[email protected]:alexvasilkov/GradleGitDependenciesPlugin.git'
+
 repositories {
     jcenter()
 }
 
 dependencies {
     compile gradleApi()
     compile localGroovy()
+
     compile 'org.ajoberstar.grgit:grgit-core:4.0.2'
 }
 
-// Build & upload: './gradlew clean build publish'
-apply from: "$rootDir/gradle/scripts/publish.gradle"
+// Build & upload to maven: './gradlew clean build publish'
+apply from: "$rootDir/gradle/scripts/maven_publish.gradle"
+
+// Build & upload to gradle: './gradlew clean build publishPlugins'
+apply from: "$rootDir/gradle/scripts/gradle_publish.gradle"

gradle/scripts/gradle_publish.gradle

@@ -0,0 +1,22 @@
+apply plugin: 'com.gradle.plugin-publish'
+
+pluginBundle {
+    website = project.ext.github
+    vcsUrl = project.ext.github
+
+    plugins {
+        gitDependencies {
+            id = 'com.alexvasilkov.git-dependencies'
+            version = project.ext.version
+            displayName = project.ext.name
+            description = project.ext.description
+            tags = ['git', 'dependency']
+        }
+    }
+
+    mavenCoordinates {
+        groupId = project.ext.group
+        artifactId = project.ext.artifactId
+        version = project.ext.version
+    }
+}

gradle/scripts/gradle_publish_buildscript.gradle

@@ -0,0 +1,6 @@
+repositories {
+    maven { url 'https://plugins.gradle.org/m2/' }
+}
+dependencies {
+    classpath 'com.gradle.publish:plugin-publish-plugin:0.11.0'
+}

gradle/scripts/publish.gradle renamed to gradle/scripts/maven_publish.gradle

@@ -1,10 +1,6 @@
-//    id 'java-library'
 apply plugin: 'maven-publish'
 apply plugin: 'signing'
 
-group = 'com.alexvasilkov'
-version = '2.0.0'
-
 task pluginGroovydoc(type: Groovydoc) {
     source = sourceSets.main.groovy.srcDirs
     classpath = sourceSets.main.compileClasspath
@@ -27,12 +23,15 @@ publishing {
             artifact source: pluginGroovydocJar, classifier: 'javadoc'
             artifact source: pluginSourcesJar, classifier: 'sources'
 
-            artifactId = 'gradle-git-dependencies'
+            groupId = project.ext.group
+            artifactId = project.ext.artifactId
+            version = project.ext.version
+
             pom {
-                name = 'GradleGitDependenciesPlugin'
+                name = project.ext.name
+                description = project.ext.description
                 packaging = 'jar'
-                description = 'Gradle plugin to add external git repos as project dependencies'
-                url = 'https://github.com/alexvasilkov/GradleGitDependenciesPlugin'
+                url = project.ext.github
                 licenses {
                     license {
                         name = 'The Apache License, Version 2.0'
@@ -46,10 +45,9 @@ publishing {
                     }
                 }
                 scm {
-                    connection = 'scm:[email protected]/alexvasilkov/GradleGitDependenciesPlugin.git'
-                    developerConnection =
-                            'scm:[email protected]:alexvasilkov/GradleGitDependenciesPlugin.git'
-                    url = 'https://github.com/alexvasilkov/GradleGitDependenciesPlugin'
+                    connection = project.ext.githubScm
+                    developerConnection = project.ext.githubScm
+                    url = project.ext.github
                 }
             }
         }
@@ -58,7 +56,7 @@ publishing {
         maven {
             def releasesRepoUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2/'
             def snapshotsRepoUrl = 'https://oss.sonatype.org/content/repositories/snapshots/'
-            url = version.contains('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+            url = project.ext.version.contains('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
             credentials {
                 username = findProperty('maven.alexvasilkov.username')
                 password = findProperty('maven.alexvasilkov.password')