chore: update build system to remove hardcoded maven urls (#392)

Author: wooj2

build.gradle.kts

@@ -12,7 +12,6 @@ allprojects {
     repositories {
         mavenCentral()
         mavenLocal()
-        jcenter()
     }
 }
 
@@ -41,4 +40,4 @@ tasks.register<JavaExec>("ktlintFormat") {
     classpath = configurations.getByName("ktlint")
     main = "com.pinterest.ktlint.Main"
     args = listOf("-F") + lintPaths
-}
+}

buildSrc/build.gradle.kts

@@ -6,7 +6,14 @@
 plugins {
     `kotlin-dsl`
 }
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+}
 
 repositories {
-    jcenter()
+    mavenLocal()
+    mavenCentral()
+    gradlePluginPortal()
 }

gradle.properties

@@ -4,15 +4,21 @@ kotlin.code.style=official
 
 # codegen
 smithyVersion=1.13.1
+smithyGradleVersion=0.5.3
+
 # kotlin
-kotlinVersion=1.5.0
+kotlinVersion=1.5.31
+dokkaVersion=1.5.31
 kotlin.native.ignoreDisabledTargets=true
 
 # kotlin libraries
 coroutinesVersion=1.5.0
 commonMarkParserVersion=0.15.2
 jsoupVersion=1.14.3
+
 # testing/utility
+kotlinxBenchmarkVersion=0.3.1
+
 # FIXME - junit5 not working
 junitVersion=5.6.2
 ktlintVersion=0.40.0

settings.gradle.kts

@@ -3,6 +3,27 @@
  * SPDX-License-Identifier: Apache-2.0.
  */
 
+pluginManagement {
+    repositories {
+        mavenCentral()
+        maven("https://plugins.gradle.org/m2/")
+        google()
+        gradlePluginPortal()
+    }
+
+    // configure default plugin versions
+    plugins {
+        val kotlinVersion: String by settings
+        val dokkaVersion: String by settings
+        val kotlinxBenchmarkVersion: String by settings
+        val smithyGradleVersion: String by settings
+        id("org.jetbrains.dokka") version dokkaVersion
+        id("org.jetbrains.kotlin.jvm") version kotlinVersion
+        id("org.jetbrains.kotlinx.benchmark") version kotlinxBenchmarkVersion
+        id("software.amazon.smithy") version smithyGradleVersion
+    }
+}
+
 rootProject.name = "smithy-swift"
 
 include("smithy-swift-codegen")

smithy-swift-codegen/build.gradle.kts

@@ -70,9 +70,6 @@ tasks.jar {
     }
 }
 
-// Always build documentation
-tasks["build"].finalizedBy(tasks["dokkaHtml"])
-
 // Configure jacoco (code coverage) to generate an HTML report
 tasks.jacocoTestReport {
     reports {