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import {
genValueRegExp,
logger,
read,
run,
sha256RegExp,
versionRegExp,
write,
} from "./common.ts";
interface Replacer {
regex: RegExp;
value: string;
}
const log = logger("src");
const prefetchHash = (nixpkgs: string, version: string) =>
run("nix-prefetch", ["-f", nixpkgs, "deno.src", "--rev", version]);
const prefetchCargoHash = (nixpkgs: string) =>
run(
"nix-prefetch",
[`{ sha256 }: (import ${nixpkgs} {}).deno.cargoDeps.overrideAttrs (_: { hash = sha256; })`],
);
const replace = (str: string, replacers: Replacer[]) =>
replacers.reduce(
(str, r) => str.replace(r.regex, r.value),
str,
);
const updateNix = (filePath: string, replacers: Replacer[]) =>
read(filePath).then((str) => write(filePath, replace(str, replacers)));
const genVerReplacer = (k: string, value: string): Replacer => (
{ regex: genValueRegExp(k, versionRegExp), value }
);
const genShaReplacer = (k: string, value: string): Replacer => (
{ regex: genValueRegExp(k, sha256RegExp), value }
);
export async function updateSrc(
filePath: string,
nixpkgs: string,
denoVersion: string,
) {
log("Starting src update");
const trimVersion = denoVersion.substring(1);
log("Fetching hash for:", trimVersion);
const sha256 = await prefetchHash(nixpkgs, denoVersion);
log("sha256 to update:", sha256);
await updateNix(
filePath,
[
genVerReplacer("version", trimVersion),
genShaReplacer("hash", sha256),
],
);
log("Fetching cargoHash for:", sha256);
const cargoHash = await prefetchCargoHash(nixpkgs);
log("cargoHash to update:", cargoHash);
await updateNix(
filePath,
[genShaReplacer("cargoHash", cargoHash)],
);
log("Finished src update");
}
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