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195 lines
8.2 KiB
195 lines
8.2 KiB
package org.jetbrains.compose.resources |
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import com.android.build.api.variant.AndroidComponentsExtension |
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import com.android.build.gradle.BaseExtension |
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import com.android.build.gradle.internal.tasks.ProcessJavaResTask |
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import org.gradle.api.DefaultTask |
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import org.gradle.api.Project |
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import org.gradle.api.file.DirectoryProperty |
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import org.gradle.api.file.FileSystemOperations |
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import org.gradle.api.provider.Property |
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import org.gradle.api.provider.Provider |
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import org.gradle.api.tasks.* |
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import org.jetbrains.compose.ComposePlugin |
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import org.jetbrains.compose.desktop.application.internal.ComposeProperties |
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import org.jetbrains.compose.internal.KOTLIN_JVM_PLUGIN_ID |
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import org.jetbrains.compose.internal.KOTLIN_MPP_PLUGIN_ID |
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import org.jetbrains.compose.internal.utils.* |
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import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi |
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import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension |
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import org.jetbrains.kotlin.gradle.dsl.KotlinProjectExtension |
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import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation |
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import org.jetbrains.kotlin.gradle.plugin.KotlinSourceSet |
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import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinAndroidTarget |
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import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJvmAndroidCompilation |
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import org.jetbrains.kotlin.gradle.plugin.sources.android.androidSourceSetInfoOrNull |
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import org.jetbrains.kotlin.gradle.utils.ObservableSet |
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import java.io.File |
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import javax.inject.Inject |
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internal const val COMPOSE_RESOURCES_DIR = "composeResources" |
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internal const val RES_GEN_DIR = "generated/compose/resourceGenerator" |
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private val androidPluginIds = listOf( |
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"com.android.application", |
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"com.android.library" |
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) |
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internal fun Project.configureComposeResources() { |
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plugins.withId(KOTLIN_MPP_PLUGIN_ID) { |
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val kotlinExtension = project.extensions.getByType(KotlinMultiplatformExtension::class.java) |
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configureComposeResources(kotlinExtension, KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME) |
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//when applied AGP then configure android resources |
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androidPluginIds.forEach { pluginId -> |
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plugins.withId(pluginId) { |
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val androidExtension = project.extensions.getByType(BaseExtension::class.java) |
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configureAndroidComposeResources(kotlinExtension, androidExtension) |
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} |
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} |
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} |
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plugins.withId(KOTLIN_JVM_PLUGIN_ID) { |
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val kotlinExtension = project.extensions.getByType(KotlinProjectExtension::class.java) |
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configureComposeResources(kotlinExtension, SourceSet.MAIN_SOURCE_SET_NAME) |
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} |
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} |
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private fun Project.configureComposeResources(kotlinExtension: KotlinProjectExtension, commonSourceSetName: String) { |
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kotlinExtension.sourceSets.all { sourceSet -> |
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val sourceSetName = sourceSet.name |
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val composeResourcesPath = project.projectDir.resolve("src/$sourceSetName/$COMPOSE_RESOURCES_DIR") |
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//To compose resources will be packed to a final artefact we need to mark them as resources |
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//sourceSet.resources works for all targets except ANDROID! |
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sourceSet.resources.srcDirs(composeResourcesPath) |
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if (sourceSetName == commonSourceSetName) { |
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configureResourceGenerator(composeResourcesPath, sourceSet) |
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} |
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} |
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} |
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@OptIn(ExperimentalKotlinGradlePluginApi::class) |
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private fun Project.configureAndroidComposeResources( |
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kotlinExtension: KotlinMultiplatformExtension, |
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androidExtension: BaseExtension |
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) { |
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val commonResourcesDir = projectDir.resolve("src/${KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME}/$COMPOSE_RESOURCES_DIR") |
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//Copy common compose resources except fonts to android resources |
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val commonAndroidComposeResourcesDir = layout.buildDirectory.dir("$RES_GEN_DIR/commonAndroidComposeResources") |
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val copyCommonAndroidComposeResources = registerTask<Copy>( |
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"copyCommonAndroidComposeResources" |
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) { |
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includeEmptyDirs = false |
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from(commonResourcesDir) |
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exclude("**/font*/*") |
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into(commonAndroidComposeResourcesDir) |
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} |
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//mark all composeResources as Android resources |
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kotlinExtension.targets.withType(KotlinAndroidTarget::class.java).all { androidTarget -> |
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androidTarget.compilations.all { compilation: KotlinJvmAndroidCompilation -> |
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compilation.defaultSourceSet.androidSourceSetInfoOrNull?.let { kotlinAndroidSourceSet -> |
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androidExtension.sourceSets |
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.matching { it.name == kotlinAndroidSourceSet.androidSourceSetName } |
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.all { androidSourceSet -> |
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compilation.androidVariant.processJavaResourcesProvider.dependsOn(copyCommonAndroidComposeResources) |
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androidSourceSet.resources.srcDir(commonAndroidComposeResourcesDir) |
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(compilation.allKotlinSourceSets as? ObservableSet<KotlinSourceSet>)?.forAll { kotlinSourceSet -> |
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if (kotlinSourceSet.name != KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME) { |
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androidSourceSet.resources.srcDir( |
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projectDir.resolve("src/${kotlinSourceSet.name}/$COMPOSE_RESOURCES_DIR") |
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) |
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} |
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} |
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} |
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} |
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} |
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} |
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//copy fonts from the compose resources dir to android assets |
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val androidComponents = project.extensions.findByType(AndroidComponentsExtension::class.java) ?: return |
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androidComponents.onVariants { variant -> |
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val copyFonts = registerTask<CopyAndroidFontsToAssetsTask>( |
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"copy${variant.name.uppercaseFirstChar()}FontsToAndroidAssets" |
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) { |
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from.set(commonResourcesDir) |
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} |
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variant.sources?.assets?.addGeneratedSourceDirectory( |
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taskProvider = copyFonts, |
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wiredWith = CopyAndroidFontsToAssetsTask::outputDirectory |
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) |
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} |
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} |
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private fun Project.configureResourceGenerator(commonComposeResourcesDir: File, commonSourceSet: KotlinSourceSet) { |
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val packageName = provider { |
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buildString { |
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val group = project.group.toString().lowercase().asUnderscoredIdentifier() |
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append(group) |
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if (group.isNotEmpty()) append(".") |
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append(project.name.lowercase()) |
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append(".generated.resources") |
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} |
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} |
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fun buildDir(path: String) = layout.dir(layout.buildDirectory.map { File(it.asFile, path) }) |
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//lazy check a dependency on the Resources library |
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val shouldGenerateResClass: Provider<Boolean> = provider { |
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if (ComposeProperties.alwaysGenerateResourceAccessors(project).get()) { |
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true |
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} else { |
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configurations.run { |
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//because the implementation configuration doesn't extend the api in the KGP ¯\_(ツ)_/¯ |
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getByName(commonSourceSet.implementationConfigurationName).allDependencies + |
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getByName(commonSourceSet.apiConfigurationName).allDependencies |
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}.any { dep -> |
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val depStringNotation = dep.let { "${it.group}:${it.name}:${it.version}" } |
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depStringNotation == ComposePlugin.CommonComponentsDependencies.resources |
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} |
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} |
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} |
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val genTask = tasks.register( |
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"generateComposeResClass", |
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GenerateResClassTask::class.java |
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) { |
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it.packageName.set(packageName) |
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it.shouldGenerateResClass.set(shouldGenerateResClass) |
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it.resDir.set(commonComposeResourcesDir) |
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it.codeDir.set(buildDir("$RES_GEN_DIR/kotlin")) |
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} |
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//register generated source set |
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commonSourceSet.kotlin.srcDir(genTask.map { it.codeDir }) |
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//setup task execution during IDE import |
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tasks.configureEach { |
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if (it.name == "prepareKotlinIdeaImport") { |
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it.dependsOn(genTask) |
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} |
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} |
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} |
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//Copy task doesn't work with 'variant.sources?.assets?.addGeneratedSourceDirectory' API |
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internal abstract class CopyAndroidFontsToAssetsTask : DefaultTask() { |
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@get:Inject |
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abstract val fileSystem: FileSystemOperations |
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@get:Input |
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abstract val from: Property<File> |
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@get:OutputDirectory |
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abstract val outputDirectory: DirectoryProperty |
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@TaskAction |
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fun action() { |
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fileSystem.copy { |
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it.includeEmptyDirs = false |
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it.from(from) |
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it.include("**/font*/*") |
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it.into(outputDirectory) |
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} |
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} |
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} |