build: update build-time dependencies, address new warnings (#413)

* build: update build-time dependencies, address new warnings

* build: switch to central repo declaration, remove redundant repositories

* build: use spotless predeclaration, more task avoidance on kotlin modules

build-logic/src/main/kotlin/cloud.base-conventions.gradle.kts

@@ -1,4 +1,4 @@
-import net.kyori.indra.repository.sonatypeSnapshots
+import com.diffplug.gradle.spotless.FormatExtension
 import net.ltgt.gradle.errorprone.errorprone
 
 plugins {
@@ -32,7 +32,7 @@ tasks {
                 "StringSplitter",
                 "EqualsGetClass",
                 "CatchAndPrintStackTrace",
-                "InlineMeSuggester",
+                "InlineMeSuggester"
             )
         }
         options.compilerArgs.addAll(listOf("-Xlint:-processing", "-Werror"))
@@ -40,74 +40,30 @@ tasks {
 }
 
 spotless {
-    java {
-        licenseHeaderFile(rootProject.file("HEADER"))
-        importOrderFile(rootProject.file(".spotless/cloud.importorder"))
-        indentWithSpaces(4)
+    fun FormatExtension.applyCommon(spaces: Int = 4) {
+        indentWithSpaces(spaces)
         trimTrailingWhitespace()
         endWithNewline()
     }
+    java {
+        licenseHeaderFile(rootProject.file("HEADER"))
+        importOrderFile(rootProject.file(".spotless/cloud.importorder"))
+        applyCommon()
+    }
     kotlin {
         licenseHeaderFile(rootProject.file("HEADER"))
-        indentWithSpaces(4)
-        trimTrailingWhitespace()
-        endWithNewline()
+        applyCommon()
+    }
+    kotlinGradle {
+        ktlint(libs.versions.ktlint.get())
     }
     format("configs") {
         target("**/*.yml", "**/*.yaml", "**/*.json")
         targetExclude("run/**")
-        indentWithSpaces(2)
-        trimTrailingWhitespace()
-        endWithNewline()
+        applyCommon(2)
     }
 }
 
-repositories {
-    mavenCentral()
-    sonatypeSnapshots()
-    /* Velocity, used for cloud-velocity */
-    maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-release/") {
-        mavenContent {
-            releasesOnly()
-            includeGroup("com.velocitypowered")
-        }
-    }
-    maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-snapshots/") {
-        mavenContent {
-            snapshotsOnly()
-            includeGroup("com.velocitypowered")
-        }
-    }
-    /* The Minecraft repository, used for cloud-brigadier */
-    maven("https://libraries.minecraft.net/") {
-        mavenContent { releasesOnly() }
-    }
-    /* The Spigot repository, used for cloud-bukkit */
-    maven("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") {
-        mavenContent { snapshotsOnly() }
-    }
-    /* The paper repository, used for cloud-paper */
-    maven("https://repo.papermc.io/repository/maven-public/")
-    /* Used for cloud-cloudburst */
-    maven("https://repo.opencollab.dev/maven-snapshots/") {
-        mavenContent { includeGroup("org.cloudburstmc") }
-    }
-    /* The current Fabric repository */
-    maven("https://maven.fabricmc.net/") {
-        mavenContent { includeGroup("net.fabricmc") }
-    }
-    /* The current Sponge repository */
-    maven("https://repo.spongepowered.org/repository/maven-public/") {
-        mavenContent { includeGroup("org.spongepowered") }
-    }
-    /* JitPack, used for random dependencies */
-    maven("https://jitpack.io") {
-        content { includeGroupByRegex("com\\.github\\..*") }
-    }
-    /* JDA's maven repository for cloud-jda */
-    maven("https://m2.dv8tion.net/releases")
-}
-
 dependencies {
     compileOnlyApi(libs.checkerQual)
     compileOnlyApi(libs.apiguardian)

build-logic/src/main/kotlin/cloud.kotlin-conventions.gradle.kts

@@ -1,5 +1,4 @@
 import org.jetbrains.dokka.gradle.DokkaTask
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     id("cloud.base-conventions")
@@ -8,9 +7,17 @@ plugins {
 }
 
 kotlin {
+    explicitApi()
     jvmToolchain {
-        (this as JavaToolchainSpec).apply {
-            languageVersion.set(JavaLanguageVersion.of(8))
+        languageVersion.set(JavaLanguageVersion.of(8))
+    }
+    coreLibrariesVersion = "1.5.31"
+    target {
+        compilations.configureEach {
+            kotlinOptions {
+                jvmTarget = "1.8"
+                languageVersion = "1.5"
+            }
         }
     }
 }
@@ -20,7 +27,7 @@ dependencies {
 }
 
 tasks {
-    withType<DokkaTask> {
+    withType(DokkaTask::class).configureEach {
         dokkaSourceSets.named("main") {
             includes.from(layout.projectDirectory.file("src/main/descriptions.md"))
             /*externalDocumentationLink { // todo: fix KDoc linking to JavaDoc
@@ -32,19 +39,11 @@ tasks {
     javadocJar {
         from(dokkaHtml)
     }
-    withType<KotlinCompile> {
-        kotlinOptions {
-            jvmTarget = "1.8"
-        }
-    }
 }
 
 spotless {
     kotlin {
-        ktlint()
+        ktlint(libs.versions.ktlint.get())
+            .editorConfigOverride(mapOf("ktlint_disabled_rules" to "filename"))
     }
 }
-
-kotlin {
-    explicitApi()
-}

build-logic/src/main/kotlin/cloud.parent-build-logic.gradle.kts

@@ -1,3 +1,6 @@
 plugins {
     id("net.kyori.indra.publishing.sonatype")
+    id("com.diffplug.spotless")
 }
+
+spotless.predeclareDeps()

build-logic/src/main/kotlin/extensions.kt

@@ -6,12 +6,12 @@ import org.gradle.kotlin.dsl.the
 // set by GitHub Actions
 val Project.ci: Provider<Boolean>
     get() = providers.environmentVariable("CI")
-            .map { it.toBoolean() }
-            .orElse(false)
+        .map { it.toBoolean() }
+        .orElse(false)
 
 val Project.compileExamples: Boolean
     get() = providers.gradleProperty("compile-examples")
-            .isPresent
+        .isPresent
 
 val Project.libs: LibrariesForLibs
     get() = the()