chore: extract publish-plugin into it's own gradle file

build.gradle

@@ -5,6 +5,7 @@ apply plugin: 'com.github.ben-manes.versions'
 apply from: 'gradle/credentials.gradle'
 apply from: 'gradle/compile.gradle'
 apply from: 'gradle/publishing.gradle'
+apply from: 'gradle/publish-plugin.gradle'
 apply from: 'gradle/bintray.gradle'
 apply from: 'gradle/artifactory.gradle'
 apply from: 'gradle/code-quality.gradle'
@@ -32,8 +33,8 @@ apply from: 'compile-dependencies.gradle'
 
 dependencies {
     testCompile 'com.netflix.nebula:nebula-test:2.2.2', {
-		exclude module: 'groovy-all'
-	}
+        exclude module: 'groovy-all'
+    }
 }
 
 // workaround for tests to run (see http://stackoverflow.com/questions/29377544/my-gradle-project-depends-on-commons-io-2-4-but-gradle-puts-gradle-home-common)
@@ -43,10 +44,10 @@ sourceSets {
     }
 }
 
-group='de.gliderpilot.gradle.semantic-release'
+group = 'de.gliderpilot.gradle.semantic-release'
 
 semanticRelease {
-    changeLogService.ghToken = ghToken
+    changeLog.ghToken = project.ext.ghToken
 }
 
 task integTest {

gradle/publish-plugin.gradle

@@ -0,0 +1,21 @@
+apply plugin: 'com.gradle.plugin-publish'
+
+pluginBundle {
+    website = 'https://github.com/tschulte/gradle-semantic-release-plugin'
+    vcsUrl = 'https://github.com/tschulte/gradle-semantic-release-plugin'
+    description = 'At its core semantic-release is a set of conventions that gives you entirely automated, semver-compliant package publishing.'
+    tags = ['semver', 'release', 'semantic-release']
+
+    plugins {
+        semanticReleasePlugin {
+            id = 'de.gliderpilot.semantic-release'
+            displayName = 'semantic-release'
+        }
+    }
+}
+
+tasks.publishPlugins {
+    onlyIf {
+        !project.version.toString().endsWith('-SNAPSHOT')
+    }
+}

gradle/publishing.gradle

@@ -1,6 +1,5 @@
 // configuration of the Maven artifacts
 apply plugin: 'maven-publish'
-apply plugin: 'com.gradle.plugin-publish'
 
 import java.text.SimpleDateFormat
 Date buildTimeAndDate = new Date()
@@ -80,23 +79,3 @@ publishing {
         }
     }
 }
-
-pluginBundle {
-    website = 'https://github.com/tschulte/gradle-semantic-release-plugin'
-    vcsUrl = 'https://github.com/tschulte/gradle-semantic-release-plugin'
-    description = 'At its core semantic-release is a set of conventions that gives you entirely automated, semver-compliant package publishing.'
-    tags = ['semver', 'release', 'semantic-release']
-
-    plugins {
-        semanticReleasePlugin {
-            id = 'de.gliderpilot.semantic-release'
-            displayName = 'semantic-release'
-        }
-    }
-}
-
-tasks.publishPlugins {
-    onlyIf {
-        !project.version.toString().endsWith('-SNAPSHOT')
-    }
-}