Shade unreleased KotlinPoet 0.7.0.

That way we won't collide with other annotation processors if they have an
incompatible version.

README.md

@@ -528,8 +528,8 @@ data class BlackjackHand(
 The codegen adapter requires that your Kotlin types and their properties be either `internal` or
 `public` (this is Kotlin’s default visibility).
 
-Kotlin codegen has no additional runtime dependency. You’ll need to add the following to your build
-to enable the annotation processor:
+Kotlin codegen has no additional runtime dependency. You’ll need to [enable kapt][kapt] and then
+add the following to your build to enable the annotation processor:
 
 ```xml
 <dependency>
@@ -618,3 +618,4 @@ License
  [okhttp]: https://github.com/square/okhttp/
  [gson]: https://github.com/google/gson/
  [javadoc]: https://square.github.io/moshi/1.x/moshi/
+ [kapt]: https://kotlinlang.org/docs/reference/kapt.html

kotlin/codegen/pom.xml

@@ -22,6 +22,11 @@
       <groupId>org.jetbrains.kotlin</groupId>
       <artifactId>kotlin-stdlib</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.squareup</groupId>
+      <artifactId>kotlinpoet</artifactId>
+      <version>0.7.0</version>
+    </dependency>
     <dependency>
       <groupId>com.google.auto</groupId>
       <artifactId>auto-common</artifactId>
@@ -33,11 +38,6 @@
       <version>1.0-rc4</version>
       <scope>provided</scope>
     </dependency>
-    <dependency>
-      <groupId>com.squareup</groupId>
-      <artifactId>kotlinpoet</artifactId>
-      <version>0.7.0</version>
-    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -151,6 +151,36 @@
           <useManifestOnlyJar>false</useManifestOnlyJar>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-shade-plugin</artifactId>
+        <version>3.1.1</version>
+        <executions>
+          <execution>
+            <phase>package</phase>
+            <goals>
+              <goal>shade</goal>
+            </goals>
+            <configuration>
+              <artifactSet>
+                <includes>
+                  <include>com.squareup:kotlinpoet</include>
+                </includes>
+              </artifactSet>
+              <transformers>
+                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+              </transformers>
+              <relocations>
+                <!-- Repackage KotlinPoet until its API is stable. -->
+                <relocation>
+                  <pattern>com.squareup.kotlinpoet</pattern>
+                  <shadedPattern>com.squareup.moshi.kotlinpoet</shadedPattern>
+                </relocation>
+              </relocations>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
     </plugins>
   </build>
 </project>