Apply japicmp plugin explicitly when needed

auth/build.gradle

@@ -1,5 +1,7 @@
 plugins {
     id "maven-publish"
+
+    id "me.champeau.gradle.japicmp"
 }
 
 description = "gRPC: Auth"

build.gradle

@@ -413,30 +413,10 @@ subprojects {
         }
         maxHeapSize = '1500m'
     }
-}
 
-// Run with: ./gradlew japicmp --continue
-def baselineGrpcVersion = '1.6.1'
-def publicApiSubprojects = [
-    // TODO: uncomment after grpc-alts, grpc-bom artifact is published.
-    // ':grpc-alts',
-    //':grpc-api',
-    ':grpc-auth',
-    //':grpc-bom',
-    ':grpc-context',
-    ':grpc-core',
-    ':grpc-grpclb',
-    ':grpc-netty',
-    ':grpc-okhttp',
-    ':grpc-protobuf',
-    ':grpc-protobuf-lite',
-    ':grpc-stub',
-    ':grpc-testing',
-]
-
-publicApiSubprojects.each { name ->
-    project(":$name") {
-        apply plugin: 'me.champeau.gradle.japicmp'
+    // Run with: ./gradlew japicmp --continue
+    plugins.withId("me.champeau.gradle.japicmp") {
+        def baselineGrpcVersion = '1.6.1'
 
         // Get the baseline version's jar for this subproject
         File baselineArtifact = null

context/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "maven-publish"
 
+    id "me.champeau.gradle.japicmp"
     id "me.champeau.gradle.jmh"
 }
 

core/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "maven-publish"
 
+    id "me.champeau.gradle.japicmp"
     id "me.champeau.gradle.jmh"
 }
 

grpclb/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id "maven-publish"
 
     id "com.google.protobuf"
+    id "me.champeau.gradle.japicmp"
 }
 
 description = "gRPC: GRPCLB LoadBalancer plugin"

netty/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "maven-publish"
 
+    id "me.champeau.gradle.japicmp"
     id "me.champeau.gradle.jmh"
 }
 

okhttp/build.gradle

@@ -1,5 +1,7 @@
 plugins {
     id "maven-publish"
+
+    id "me.champeau.gradle.japicmp"
 }
 
 description = "gRPC: OkHttp"

protobuf-lite/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id "maven-publish"
 
     id "com.google.protobuf"
+    id "me.champeau.gradle.japicmp"
 }
 
 description = 'gRPC: Protobuf Lite'

protobuf/build.gradle

@@ -2,6 +2,7 @@ plugins {
     id "maven-publish"
 
     id "com.google.protobuf"
+    id "me.champeau.gradle.japicmp"
 }
 
 description = 'gRPC: Protobuf'

stub/build.gradle

@@ -1,5 +1,7 @@
 plugins {
     id "maven-publish"
+
+    id "me.champeau.gradle.japicmp"
 }
 
 description = "gRPC: Stub"

testing/build.gradle

@@ -1,5 +1,7 @@
 plugins {
     id "maven-publish"
+
+    id "me.champeau.gradle.japicmp"
 }
 
 description = "gRPC: Testing"