chore: improve build properties for service clients (#769)

Author: ianbotsf

codegen/sdk/build.gradle.kts

@@ -184,6 +184,7 @@ fun fileToService(applyFilters: Boolean): (File) -> AwsService? = { file: File -
         .replace("-", "")
         .toLowerCase()
         .kotlinNamespace()
+    val packageDescription = "The AWS Kotlin client for $sdkId"
 
     when {
         applyFilters && !serviceMembership.isMember(filename, packageName) -> {
@@ -211,7 +212,7 @@ fun fileToService(applyFilters: Boolean): (File) -> AwsService? = { file: File -
                 projectionName = filename,
                 sdkId = sdkId,
                 version = service.version,
-                description = description,
+                description = packageDescription,
             )
         }
     }

codegen/smithy-aws-kotlin-codegen/src/main/kotlin/aws/sdk/kotlin/codegen/GradleGenerator.kt

@@ -42,6 +42,9 @@ class GradleGenerator : KotlinIntegration {
             writer.write("description = #S", ctx.settings.pkg.description)
         }
 
+        writer.write("project.ext.set(#S, #S)", "aws.sdk.id", ctx.settings.sdkId)
+        writer.write("")
+
         writer.write("val kotlinVersion: String by project")
 
         val allDependencies = delegator.dependencies.mapNotNull { it.properties["dependency"] as? KotlinDependency }.distinct()

gradle/publish.gradle

@@ -50,6 +50,12 @@ publishing {
                     url = "https://github.com/awslabs/aws-sdk-kotlin"
                 }
 
+                if (project.hasProperty("aws.sdk.id")) {
+                    properties = [
+                        "aws.sdk.id": (String) project.property("aws.sdk.id")
+                    ]
+                }
+
                 artifact(tasks["javadocJar"])
             }
         }