Make proto extract tasks depend on the configuration.

If the configuration has a dependency on a project, the project must be
built to create the jar prior to the extract task. The depended project
is not guaranteed to be built before the task, unless the task
explicitly depends on the configuration.

Bump the version to 0.6.1

README.md

@@ -11,15 +11,15 @@ For more information about the Protobuf Compiler, please refer to
 [Google Developers Site](https://developers.google.com/protocol-buffers/docs/reference/java-generated?csw=1).
 
 ## Latest Version
-The latest version is ``0.6.0``. It is available on Maven Central. To add
+The latest version is ``0.6.1``. It is available on Maven Central. To add
 dependency to it:
 ```gradle
 buildscript {
   repositories {
     mavenCentral()
   }
   dependencies {
-    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.6.0'
+    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.6.1'
   }
 }
 ```
@@ -33,7 +33,7 @@ buildscript {
     }
   }
   dependencies {
-    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.6.0-SNAPSHOT'
+    classpath 'com.google.protobuf:protobuf-gradle-plugin:0.6.2-SNAPSHOT'
   }
 }
 ```

build.gradle

@@ -20,7 +20,7 @@ apply plugin: "com.gradle.plugin-publish"
 apply plugin: 'signing'
 
 group = 'com.google.protobuf'
-version = '0.6.0'
+version = '0.6.1'
 
 ext.isReleaseVersion = !version.endsWith("SNAPSHOT")
 

src/main/groovy/com/google/protobuf/gradle/ProtobufPlugin.groovy

@@ -298,6 +298,7 @@ class ProtobufPlugin implements Plugin<Project> {
         description = "Extracts proto files/dependencies specified by 'protobuf' configuration"
         destDir = getExtractedProtosDir(sourceSetName) as File
         configName = Utils.getConfigName(sourceSetName, 'protobuf')
+        dependsOn project.configurations.getByName(configName)
       }
     }
 
@@ -322,6 +323,7 @@ class ProtobufPlugin implements Plugin<Project> {
         description = "Extracts proto files from compile dependencies for includes"
         destDir = getExtractedIncludeProtosDir(sourceSetName) as File
         configName = Utils.getConfigName(sourceSetName, 'compile')
+        dependsOn project.configurations.getByName(configName)
       }
     }