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#!/usr/bin/env -S deno run --unstable --allow-read --allow-write --allow-run// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { join, ROOT_PATH } from "./util.js";
const COMMIT = "49b7ec97c164bac9ee877f45cdd806fbefecc5a4";const REPO = "gfx-rs/wgpu";const V_WGPU = "0.18";const TARGET_DIR = join(ROOT_PATH, "ext", "webgpu");
async function bash(subcmd, opts = {}) {  const { success, code } = await new Deno.Command("bash", {    ...opts,    args: ["-c", subcmd],    stdout: "inherit",    sdterr: "inherit",  }).output();
  // Exit process on failure  if (!success) {    Deno.exit(code);  }}
async function clearTargetDir() {  await bash(`rm -r ${TARGET_DIR}/*`);}
async function checkoutUpstream() {  // Path of deno_webgpu inside the TAR  const tarPrefix = `${REPO.replace("/", "-")}-${    COMMIT.slice(0, 7)  }/deno_webgpu/`;  const cmd =    `curl -L https://api.github.com/repos/${REPO}/tarball/${COMMIT} | tar -C '${TARGET_DIR}' -xzvf - --strip=2 '${tarPrefix}'`;  // console.log(cmd);  await bash(cmd);}
async function denoWebgpuVersion() {  const coreCargo = join(ROOT_PATH, "Cargo.toml");  const contents = await Deno.readTextFile(coreCargo);  return contents.match(    /^deno_webgpu = { version = "(\d+\.\d+\.\d+)", path = ".\/ext\/webgpu" }$/m,  )[1];}
async function patchFile(path, patcher) {  const data = await Deno.readTextFile(path);  const patched = patcher(data);  await Deno.writeTextFile(path, patched);}
async function patchCargo() {  const vDenoWebgpu = await denoWebgpuVersion();  await patchFile(    join(TARGET_DIR, "Cargo.toml"),    (data) =>      data        .replace(/^version = .*/m, `version = "${vDenoWebgpu}"`)        .replace(          /^repository.workspace = true/m,          `repository = "https://github.com/gfx-rs/wgpu"`,        )        .replace(          /^serde = { workspace = true, features = ["derive"] }/m,          `serde.workspace = true`,        )        .replace(          /^tokio = { workspace = true, features = ["full"] }/m,          `tokio.workspace = true`,        ),  );
  await patchFile(    join(ROOT_PATH, "Cargo.toml"),    (data) =>      data        .replace(/^wgpu-core = .*/m, `wgpu-core = "${V_WGPU}"`)        .replace(/^wgpu-types = .*/m, `wgpu-types = "${V_WGPU}"`)        .replace(/^wgpu-hal = .*/m, `wgpu-hal = "${V_WGPU}"`),  );}
async function main() {  await clearTargetDir();  await checkoutUpstream();  await patchCargo();  await bash(join(ROOT_PATH, "tools", "format.js"));}
await main();