co.touchlab.kotlin.gradle.targets.native.tasks.CocoapodsTasks.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
@file:Suppress("PackageDirectoryMismatch") // Old package for compatibility
package co.touchlab.kotlin.gradle.tasks
import org.gradle.api.DefaultTask
import org.gradle.api.provider.Provider
import org.gradle.api.tasks.*
import org.gradle.api.tasks.wrapper.Wrapper
import co.touchlab.kotlin.gradle.plugin.cocoapods.CocoapodsExtension
import co.touchlab.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin
import co.touchlab.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin.Companion.GENERATE_WRAPPER_PROPERTY
import co.touchlab.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin.Companion.KOTLIN_TARGET_FOR_IOS_DEVICE
import co.touchlab.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin.Companion.KOTLIN_TARGET_FOR_WATCHOS_DEVICE
import co.touchlab.kotlin.gradle.plugin.cocoapods.KotlinCocoapodsPlugin.Companion.SYNC_TASK_NAME
import co.touchlab.kotlin.gradle.plugin.cocoapods.asValidFrameworkName
import co.touchlab.kotlin.gradle.plugin.cocoapods.cocoapodsBuildDirs
import org.jetbrains.kotlin.gradle.plugin.mpp.Framework
import java.io.File
/**
* The task generates a podspec file which allows a user to
* integrate a Kotlin/Native framework into a CocoaPods project.
*/
open class PodspecTask : DefaultTask() {
private val specName = project.name.asValidFrameworkName()
@OutputFile
val outputFile: File = project.projectDir.resolve("$specName.podspec")
@get:Input
internal lateinit var frameworkName:String
@get:Input
internal var isStatic:Boolean = true
@get:Nested
internal lateinit var settings: CocoapodsExtension
// TODO: Handle Framework name customization - rename the framework during sync process.
@TaskAction
fun generate() {
val frameworkDir = project.cocoapodsBuildDirs.framework.relativeTo(outputFile.parentFile).path
val dependencies = settings.pods.map { pod ->
val versionSuffix = if (pod.version != null) ", '${pod.version}'" else ""
"| spec.dependency '${pod.name}'$versionSuffix"
}.joinToString(separator = "\n")
val gradleWrapper = (project.rootProject.tasks.getByName("wrapper") as? Wrapper)?.scriptFile
require(gradleWrapper != null && gradleWrapper.exists()) {
"""
The Gradle wrapper is required to run the build from Xcode.
Please run the same command with `-P$GENERATE_WRAPPER_PROPERTY=true` or run the `:wrapper` task to generate the wrapper manually.
See details about the wrapper at https://docs.gradle.org/current/userguide/gradle_wrapper.html
""".trimIndent()
}
val gradleCommand = "\$REPO_ROOT/${gradleWrapper!!.toRelativeString(project.projectDir)}"
val syncTask = "${project.path}:$SYNC_TASK_NAME"
outputFile.writeText(
"""
|Pod::Spec.new do |spec|
| spec.name = '$specName'
| spec.version = '${settings.version}'
| spec.homepage = '${settings.homepage.orEmpty()}'
| spec.source = { :git => "Not Published", :tag => "Cocoapods/#{spec.name}/#{spec.version}" }
| spec.authors = '${settings.authors.orEmpty()}'
| spec.license = '${settings.license.orEmpty()}'
| spec.summary = '${settings.summary.orEmpty()}'
|
|${if(isStatic){" spec.static_framework = true"}else{""}}
| spec.vendored_frameworks = "$frameworkDir/$frameworkName.framework"
| spec.libraries = "c++"
| spec.module_name = "#{spec.name}_umbrella"
|
$dependencies
|
| spec.pod_target_xcconfig = {
| 'KOTLIN_TARGET[sdk=iphonesimulator*]' => 'ios_x64',
| 'KOTLIN_TARGET[sdk=iphoneos*]' => '$KOTLIN_TARGET_FOR_IOS_DEVICE',
| 'KOTLIN_TARGET[sdk=watchsimulator*]' => 'watchos_x86',
| 'KOTLIN_TARGET[sdk=watchos*]' => '$KOTLIN_TARGET_FOR_WATCHOS_DEVICE',
| 'KOTLIN_TARGET[sdk=appletvsimulator*]' => 'tvos_x64',
| 'KOTLIN_TARGET[sdk=appletvos*]' => 'tvos_arm64',
| 'KOTLIN_TARGET[sdk=macosx*]' => 'macos_x64'
| }
|
| spec.script_phases = [
| {
| :name => 'Build $specName',
| :execution_position => :before_compile,
| :shell_path => '/bin/sh',
| :script => <<-SCRIPT
| set -ev
| REPO_ROOT="${'$'}PODS_TARGET_SRCROOT"
| "$gradleCommand" -p "${'$'}REPO_ROOT" $syncTask \
| -P${KotlinCocoapodsPlugin.TARGET_PROPERTY}=${'$'}KOTLIN_TARGET \
| -P${KotlinCocoapodsPlugin.CONFIGURATION_PROPERTY}=${'$'}CONFIGURATION \
| -P${KotlinCocoapodsPlugin.CFLAGS_PROPERTY}="${'$'}OTHER_CFLAGS" \
| -P${KotlinCocoapodsPlugin.HEADER_PATHS_PROPERTY}="${'$'}HEADER_SEARCH_PATHS" \
| -P${KotlinCocoapodsPlugin.FRAMEWORK_PATHS_PROPERTY}="${'$'}FRAMEWORK_SEARCH_PATHS"
| SCRIPT
| },
| {
| :name => 'Touch $specName.framework',
| :execution_position => :after_compile,
| :shell_path => '/bin/sh',
| :script => 'find "${'$'}{SRCROOT}" -type f -name *frameworks.sh -exec bash -c "touch \"{}\"" \;'
| }
| ]
|end
""".trimMargin()
)
logger.quiet(
"""
Generated a podspec file at: ${outputFile.absolutePath}.
To include it in your Xcode project, add the following dependency snippet in your Podfile:
pod '$specName', :path => '${outputFile.parentFile.absolutePath}'
""".trimIndent()
)
}
}
/**
* Creates a dummy framework in the target directory.
*
* We represent a Kotlin/Native module to CocoaPods as a vendored framework.
* CocoaPods needs access to such frameworks during installation process to obtain
* their type (static or dynamic) and configure the Xcode project accordingly.
* But we cannot build the real framework before installation because it may
* depend on CocoaPods libraries which are not downloaded and built at this stage.
* So we create a dummy static framework to allow CocoaPods install our pod correctly
* and then replace it with the real one during a real build process.
*/
open class DummyFrameworkTask : DefaultTask() {
@OutputDirectory
val destinationDir = project.cocoapodsBuildDirs.framework
@get:Input
lateinit var frameworkName:String
private val frameworkDir: File
get() = destinationDir.resolve("$frameworkName.framework")
private fun copyResource(from: String, to: File) {
to.parentFile.mkdirs()
to.outputStream().use { file ->
javaClass.getResourceAsStream(from).use { resource ->
resource.copyTo(file)
}
}
}
private fun copyTextResource(from: String, to: File, transform: (String) -> String = { it }) {
to.parentFile.mkdirs()
to.printWriter().use { file ->
javaClass.getResourceAsStream(from).reader().forEachLine {
file.println(transform(it))
}
}
}
private fun copyFrameworkFile(relativeFrom: String, relativeTo: String = relativeFrom) =
copyResource(
"/cocoapods/dummy.framework/$relativeFrom",
frameworkDir.resolve(relativeTo)
)
private fun copyFrameworkTextFile(
relativeFrom: String,
relativeTo: String = relativeFrom,
transform: (String) -> String = { it }
) = copyTextResource(
"/cocoapods/dummy.framework/$relativeFrom",
frameworkDir.resolve(relativeTo),
transform
)
@TaskAction
fun create() {
// Reset the destination directory
with(destinationDir) {
deleteRecursively()
mkdirs()
}
// Copy files for the dummy framework.
copyFrameworkFile("Info.plist")
copyFrameworkFile("dummy", frameworkName)
copyFrameworkFile("Headers/dummy.h")
copyFrameworkTextFile("Modules/module.modulemap") {
if (it == "framework module dummy {") {
it.replace("dummy", frameworkName)
} else {
it
}
}
}
}
/**
* Generates a def-file for the given CocoaPods dependency.
*/
open class DefFileTask : DefaultTask() {
@Nested
lateinit var pod: CocoapodsExtension.CocoapodsDependency
@get:OutputFile
val outputFile: File
get() = project.cocoapodsBuildDirs.defs.resolve("${pod.moduleName}.def")
@TaskAction
fun generate() {
outputFile.parentFile.mkdirs()
outputFile.writeText(
"""
language = Objective-C
modules = ${pod.moduleName}
""".trimIndent()
)
}
}
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