Linux support

- Create actuals
- Switch to kotlinx.io as it supports arm

buildSrc/src/main/kotlin/kord-native-module.gradle.kts

@@ -5,14 +5,15 @@ plugins {
 }
 
 kotlin {
+    // There are issues with compiling the linux variant on linux
+    // Please use WSL if you need to work on the linux port
     if(!Os.isFamily(Os.FAMILY_WINDOWS)) {
         linuxX64()
         // Waiting for Ktor
-        // https://youtrack.jetbrains.com/issue/KTOR-872
+        // https://youtrack.jetbrains.com/issue/KTOR-6173
         //linuxArm64()
     }
 
-
     mingwX64()
 
     macosArm64()

common/src/linuxMain/kotlin/HttpEngine.kt

@@ -6,4 +6,4 @@ import io.ktor.client.engine.curl.*
 
 /** @suppress */
 @KordInternal
-public actual object HttpEngine : HttpClientEngineFactory<HttpClientEngineConfig> by Curl
+public actual fun httpEngine(): HttpClientEngineFactory<HttpClientEngineConfig> = Curl

gradle/libs.versions.toml

@@ -25,7 +25,7 @@ kotlinpoet = "1.15.3" # https://github.com/square/kotlinpoet
 junit5 = "5.10.1" # https://github.com/junit-team/junit5
 mockk = "1.13.8" # https://github.com/mockk/mockk
 slf4j = "2.0.9" # https://www.slf4j.org
-okio = "3.5.0"
+kotlinx-io = "0.3.0" # https://github.com/Kotlin/kotlinx-io/
 
 # plugins
 dokka = "1.9.10" # https://github.com/Kotlin/dokka
@@ -83,7 +83,7 @@ kotlin-test-junit5 = { module = "org.jetbrains.kotlin:kotlin-test-junit5", versi
 junit-jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "junit5" }
 mockk = { module = "io.mockk:mockk", version.ref = "mockk" }
 slf4j-simple = { module = "org.slf4j:slf4j-simple", version.ref = "slf4j" }
-okio = { module = "com.squareup.okio:okio", version.ref = "okio" }
+kotlinx-io = { module = "org.jetbrains.kotlinx:kotlinx-io-core", version.ref = "kotlinx-io" }
 
 # actually plugins, not libraries, but used is 'buildSrc/build.gradle.kts' as implementation dependencies:
 # https://docs.gradle.org/current/userguide/custom_plugins.html#applying_external_plugins_in_precompiled_script_plugins

test-kit/build.gradle.kts

@@ -23,7 +23,7 @@ kotlin {
         }
         nativeMain {
             dependencies {
-                api(libs.okio)
+                api(libs.kotlinx.io)
             }
         }
     }

test-kit/src/nativeMain/kotlin/Platform.kt

@@ -5,10 +5,9 @@ package dev.kord.test
 import io.ktor.utils.io.*
 import kotlinx.cinterop.ExperimentalForeignApi
 import kotlinx.cinterop.toKString
-import okio.BufferedSource
-import okio.FileSystem
-import okio.IOException
-import okio.Path.Companion.toPath
+import kotlinx.io.*
+import kotlinx.io.files.Path
+import kotlinx.io.files.SystemFileSystem
 import platform.posix.getenv
 import kotlin.experimental.ExperimentalNativeApi
 import kotlin.native.Platform
@@ -27,22 +26,17 @@ actual object Platform {
 @OptIn(ExperimentalForeignApi::class)
 actual fun getEnv(name: String) = getenv(name)?.toKString()
 
-private fun actutalPath(path: String) =
-    "src/commonTest/resources/$path".toPath()
-
-actual suspend fun file(project: String, path: String): String = read(path, BufferedSource::readUtf8)
+actual suspend fun file(project: String, path: String): String = read(path, Source::readString)
 
 actual suspend fun readFile(project: String, path: String): ByteReadChannel =
     read(path) { ByteReadChannel(readByteArray()) }
 
-private inline fun <T> read(path: String, readerAction: BufferedSource.() -> T): T {
-    val actualPath = actutalPath(path)
+private inline fun <T> read(path: String, readerAction: Source.() -> T): T {
+    val actualPath = Path(path)
     return try {
-        FileSystem.SYSTEM.read(actualPath, readerAction)
+        SystemFileSystem.source(actualPath).buffered().readerAction()
     } catch (e: Throwable) {
-        val pwd = FileSystem.SYSTEM.canonicalize(".".toPath())
-        val absolutePath = pwd / actualPath
-        throw FileNotFoundException(absolutePath.toString(), e)
+        throw FileNotFoundException(actualPath.toString(), e)
     }
 }