Add gradle publish plugin task & read system envs in gradle task

.travis.yml

@@ -10,7 +10,7 @@ before_install:
 script:
 - java -version
 - ./gradlew -version
-- ./gradlew buildPlugin --console=plain
+- ./gradlew publish --console=plain
 
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock

build.gradle

@@ -24,6 +24,14 @@ allprojects {
         updateSinceUntilBuild = false
 
         sandboxDirectory project.rootDir.canonicalPath + "/.sandbox"
+
+        def publishPassword = "$System.env.publishPassword"
+
+        publishPlugin {
+            username publishUsername
+            password publishPassword
+            channels publishChannels
+        }
     }
 
     apply plugin: 'java'
@@ -61,4 +69,12 @@ idea {
     }
 }
 
+task publish() {
+    if (file("./publish.gradle").exists()) {
+        publishPlugin.execute()
+    } else {
+        buildPlugin.execute()
+    }
+}
+
 version = version

gradle.properties

@@ -5,4 +5,6 @@ javaVersion = 1.8
 kotlinVersion = 1.1.51
 version = 1.0
 buildNumber = SNAPSHOT
-downloadIdeaSources = false
+downloadIdeaSources = false
+publishUsername = izhangzhihao
+publishChannels = [default]