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build: download prebuilt wasm-tools

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Cayden Tisdale 2026-09-05 20:53:09 -04:00
parent 268f2f15d9
commit 701fc1ae25
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1 changed files with 60 additions and 12 deletions
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72
build.gradle.kts
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@ -2,6 +2,7 @@ import org.jetbrains.kotlin.gradle.ExperimentalWasmDsl
import org.gradle.process.CommandLineArgumentProvider
import org.jetbrains.kotlin.gradle.targets.wasm.binaryen.BinaryenExec
import java.net.URI
plugins {
alias(libs.plugins.kotlinMultiplatform)
@ -19,9 +20,9 @@ kotlin {
}
}
val executableSuffix = if (System.getProperty("os.name").startsWith("Windows", ignoreCase = true)) ".exe" else ""
val cargoHome = providers.environmentVariable("CARGO_HOME")
.orElse(providers.systemProperty("user.home").map { "$it/.cargo" })
val executableSuffix = if (System.getProperty("os.name").startsWith("Windows", ignoreCase = true)) ".exe" else ""
val cargoExecutable = cargoHome.map { "$it/bin/cargo$executableSuffix" }
val witDirectory = layout.projectDirectory.dir("wit/v0.1")
@ -34,6 +35,20 @@ val witBindgen = witBindgenDirectory.file("bin/wit-bindgen")
val wasmToolsVersion = "1.258.0"
val wasmToolsDirectory = layout.projectDirectory.dir("tools/wasm-tools/$wasmToolsVersion")
val wasmTools = wasmToolsDirectory.file("bin/wasm-tools$executableSuffix")
val wasmToolsTarget = when {
System.getProperty("os.name").startsWith("Mac", ignoreCase = true) &&
System.getProperty("os.arch") in setOf("aarch64", "arm64") -> "aarch64-macos"
System.getProperty("os.name").startsWith("Mac", ignoreCase = true) -> "x86_64-macos"
System.getProperty("os.name").startsWith("Windows", ignoreCase = true) &&
System.getProperty("os.arch") in setOf("aarch64", "arm64") -> "aarch64-windows"
System.getProperty("os.name").startsWith("Windows", ignoreCase = true) -> "x86_64-windows"
System.getProperty("os.arch") in setOf("aarch64", "arm64") -> "aarch64-linux"
System.getProperty("os.arch") in setOf("x86_64", "amd64") -> "x86_64-linux"
else -> error("Unsupported wasm-tools host architecture: ${System.getProperty("os.arch")}")
}
val wasmToolsArchiveExtension = if (wasmToolsTarget.endsWith("windows")) "zip" else "tar.gz"
val wasmToolsUrl = "https://github.com/bytecodealliance/wasm-tools/releases/download/v$wasmToolsVersion/" +
"wasm-tools-$wasmToolsVersion-$wasmToolsTarget.$wasmToolsArchiveExtension"
val generatedBindings = layout.buildDirectory.dir("generated/wit/wasmWasiMain/kotlin")
val projectWasmName = rootProject.name
@ -60,21 +75,54 @@ val installWitBindgen by tasks.registering(Exec::class) {
)
}
val installWasmTools by tasks.registering(Exec::class) {
val installWasmTools by tasks.registering {
group = "build setup"
description = "Installs the pinned wasm-tools executable."
description = "Downloads the pinned wasm-tools release executable."
inputs.property("version", wasmToolsVersion)
outputs.dir(wasmToolsDirectory)
inputs.property("target", wasmToolsTarget)
inputs.property("url", wasmToolsUrl)
outputs.file(wasmTools)
commandLine(
cargoExecutable.get(),
"install",
"wasm-tools",
"--version", wasmToolsVersion,
"--locked",
"--root", wasmToolsDirectory.asFile.absolutePath,
)
doLast {
val installationDirectory = wasmToolsDirectory.asFile
val archive = temporaryDir.resolve("wasm-tools.$wasmToolsArchiveExtension")
val installedExecutable = wasmTools.asFile
installationDirectory.deleteRecursively()
installationDirectory.mkdirs()
installedExecutable.parentFile.mkdirs()
URI(wasmToolsUrl).toURL().openStream().use { input ->
archive.outputStream().use { output -> input.copyTo(output) }
}
fun runCommand(vararg command: String) {
check(ProcessBuilder(*command).inheritIO().start().waitFor() == 0) {
"wasm-tools archive extraction failed"
}
}
if (wasmToolsTarget.endsWith("windows")) {
runCommand(
"powershell",
"-NoProfile",
"-Command",
"Expand-Archive -Force '$archive' '$installationDirectory'; " +
"Get-ChildItem -Path '$installationDirectory' -Recurse -Filter wasm-tools.exe | " +
"Select-Object -First 1 | Copy-Item -Destination '${wasmTools.asFile}'",
)
} else {
runCommand("tar", "-xzf", archive.absolutePath, "-C", installationDirectory.absolutePath, "--strip-components=1")
}
if (!installedExecutable.isFile) {
val downloadedExecutable = installationDirectory.walkTopDown().firstOrNull {
it.isFile && it.name == "wasm-tools$executableSuffix"
}
checkNotNull(downloadedExecutable) { "wasm-tools archive did not contain wasm-tools$executableSuffix" }
downloadedExecutable.copyTo(installedExecutable, overwrite = true)
}
installedExecutable.setExecutable(true)
}
}
val generateWitBindings by tasks.registering(Exec::class) {