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#!/usr/bin/env -S deno run --unstable --allow-read --allow-write --allow-run
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { join, ROOT_PATH } from "./util.js";
const COMMIT = "076df1a56812eee01614b7a3a4c88798012e79ab";
const REPO = "gfx-rs/wgpu";
const V_WGPU = "0.13";
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 = "${vDenoWebgpu}"`)
.replace(
/^wgpu-core \= .*$/gm,
`wgpu-core = { version = "${V_WGPU}", features = ["trace", "replay", "serde"] }`,
)
.replace(
/^wgpu-types \= .*$/gm,
`wgpu-types = { version = "${V_WGPU}", features = ["trace", "replay", "serde"] }`,
),
// .replace(
// /^wgpu-core \= .*$/gm,
// `wgpu-core = { git = "https://github.com/${REPO}", rev = "${COMMIT}", features = ["trace", "replay", "serde"] }`,
// )
// .replace(
// /^wgpu-types \= .*$/gm,
// `wgpu-types = { git = "https://github.com/${REPO}", rev = "${COMMIT}", features = ["trace", "replay", "serde"] }`,
// )
);
}
async function patchSrcLib() {
await patchFile(
join(TARGET_DIR, "src", "lib.rs"),
(data) =>
data.replace(`prefix "deno:deno_webgpu",`, `prefix "deno:ext/webgpu",`),
);
}
async function main() {
await clearTargetDir();
await checkoutUpstream();
await patchCargo();
await patchSrcLib();
await bash(join(ROOT_PATH, "tools", "format.js"));
}
await main();
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