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import * as toml from "https://deno.land/std@0.202.0/toml/mod.ts";
import { getExistingVersion, logger, run, write } from "./common.ts";
const log = logger("librusty_v8");
export interface Architecture {
nix: string;
rust: string;
}
interface PrefetchResult {
arch: Architecture;
sha256: string;
}
const getCargoLock = async (
owner: string,
repo: string,
version: string,
) =>
fetch(`https://github.com/${owner}/${repo}/raw/${version}/Cargo.lock`)
.then((res) => res.text())
.then((txt) => toml.parse(txt));
const fetchArchShaTasks = (version: string, arches: Architecture[]) =>
arches.map(
async (arch: Architecture): Promise<PrefetchResult> => {
log("Fetching:", arch.nix);
const sha256 = await run("nix-prefetch", [
`
{ fetchurl }:
fetchurl {
url = "https://github.com/denoland/rusty_v8/releases/download/v${version}/librusty_v8_release_${arch.rust}.a";
}
`,
]);
log("Done: ", arch.nix);
return { arch, sha256 };
},
);
const templateDeps = (version: string, deps: PrefetchResult[]) =>
`# auto-generated file -- DO NOT EDIT!
{ rust, stdenv, fetchurl }:
let
arch = rust.toRustTarget stdenv.hostPlatform;
fetch_librusty_v8 = args: fetchurl {
name = "librusty_v8-\${args.version}";
url = "https://github.com/denoland/rusty_v8/releases/download/v\${args.version}/librusty_v8_release_\${arch}.a";
sha256 = args.shas.\${stdenv.hostPlatform.system};
meta = { inherit (args) version; };
};
in
fetch_librusty_v8 {
version = "${version}";
shas = {
${deps.map(({ arch, sha256 }) => ` ${arch.nix} = "${sha256}";`).join("\n")}
};
}
`;
export async function updateLibrustyV8(
filePath: string,
owner: string,
repo: string,
denoVersion: string,
arches: Architecture[],
) {
log("Starting librusty_v8 update");
// 0.0.0
const cargoLockData = await getCargoLock(owner, repo, denoVersion);
console.log(cargoLockData);
const packageItem = cargoLockData.package.find(({ name }) => name === "v8");
const version = packageItem.version;
if (typeof version !== "string") {
throw "no librusty_v8 version";
}
log("librusty_v8 version:", version);
const existingVersion = await getExistingVersion(filePath);
if (version === existingVersion) {
log("Version already matches latest, skipping...");
return;
}
const archShaResults = await Promise.all(fetchArchShaTasks(version, arches));
await write(filePath, templateDeps(version, archShaResults));
log("Finished deps update");
}
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