Share bom inclusion closure to reduce code duplication

gradle/bomUtils.gradle

@@ -0,0 +1,18 @@
+/*
+ * Copyright © 2022 Apple Inc. and the ServiceTalk project authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ext.bomInclusionClosure = {it -> !it.name.endsWith("-bom") && !it.name.endsWith("-dependencies") &&
+                                 !it.name.contains("examples") && !it.name.equals("grpc") && !it.name.equals("http")}

servicetalk-bom/build.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018-2019 Apple Inc. and the ServiceTalk project authors
+ * Copyright © 2018-2019, 2022 Apple Inc. and the ServiceTalk project authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,15 +16,11 @@
 
 apply plugin: "io.servicetalk.servicetalk-gradle-plugin-internal-core"
 apply plugin: "java-platform"
+apply from: "../gradle/bomUtils.gradle"
 
 description="ServiceTalk BOM that includes all modules"
 
-// IMPORTANT: Ensure that the module list is consistent with `servicetalk-dependencies`
-rootProject.subprojects.findAll { !it.name.endsWith("-bom") &&
-                                  !it.name.endsWith("-dependencies") &&
-                                  !it.name.contains("examples") &&
-                                  !it.name.equals("grpc") &&
-                                  !it.name.equals("http") }.each {
+rootProject.subprojects.findAll { it -> bomInclusionClosure(it) }.each {
     dependencies.constraints.add("api", it)
 }
 

servicetalk-dependencies/build.gradle

@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018-2019 Apple Inc. and the ServiceTalk project authors
+ * Copyright © 2018-2019, 2022 Apple Inc. and the ServiceTalk project authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,21 +16,17 @@
 
 apply plugin: "io.servicetalk.servicetalk-gradle-plugin-internal-core"
 apply plugin: "java-platform"
+apply from: "../gradle/bomUtils.gradle"
 
 description = "ServiceTalk BOM that includes all modules and direct dependencies"
 
 javaPlatform {
   allowDependencies()
 }
 
-// IMPORTANT: Ensure that the module list is consistent with `servicetalk-bom`
 // Include modules directly rather than by defining servicetalk bom as
 // a platform to work around [MNG-6772](https://issues.apache.org/jira/browse/MNG-6772).
-rootProject.subprojects.findAll { !it.name.endsWith("-bom") &&
-    !it.name.endsWith("-dependencies") &&
-    !it.name.contains("examples") &&
-    !it.name.equals("grpc") &&
-    !it.name.equals("http") }.each {
+rootProject.subprojects.findAll { it -> bomInclusionClosure(it) }.each {
   dependencies.constraints.add("api", it)
 }