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rust-cache/src/save.ts
2021-01-28 18:16:36 +01:00

128 lines
3.5 KiB
TypeScript

import * as cache from "@actions/cache";
import * as core from "@actions/core";
import * as exec from "@actions/exec";
import * as glob from "@actions/glob";
import * as io from "@actions/io";
import fs from "fs";
import path from "path";
import { cleanTarget, getCacheConfig, getPackages, Packages, paths, rm, stateKey } from "./common";
async function run() {
try {
const { paths: savePaths, key } = await getCacheConfig();
if (core.getState(stateKey) === key) {
core.info(`Cache up-to-date.`);
return;
}
// TODO: remove this once https://github.com/actions/toolkit/pull/553 lands
await macOsWorkaround();
const registryName = await getRegistryName();
const packages = await getPackages();
try {
await cleanRegistry(registryName, packages);
} catch {}
try {
await cleanGit(packages);
} catch {}
try {
await cleanTarget(packages);
} catch {}
core.info(`Saving paths:\n ${savePaths.join("\n ")}`);
core.info(`In directory:\n ${process.cwd()}`);
core.info(`Using key:\n ${key}`);
await cache.saveCache(savePaths, key);
} catch (e) {
core.info(`[warning] ${e.message}`);
}
}
run();
async function getRegistryName(): Promise<string> {
const globber = await glob.create(`${paths.index}/**/.last-updated`, { followSymbolicLinks: false });
const files = await globber.glob();
if (files.length > 1) {
core.warning(`got multiple registries: "${files.join('", "')}"`);
}
const first = files.shift()!;
return path.basename(path.dirname(first));
}
async function cleanRegistry(registryName: string, packages: Packages) {
await io.rmRF(path.join(paths.index, registryName, ".cache"));
const pkgSet = new Set(packages.map((p) => `${p.name}-${p.version}.crate`));
const dir = await fs.promises.opendir(path.join(paths.cache, registryName));
for await (const dirent of dir) {
if (dirent.isFile() && !pkgSet.has(dirent.name)) {
await rm(dir.path, dirent);
}
}
}
async function cleanGit(packages: Packages) {
const coPath = path.join(paths.git, "checkouts");
const dbPath = path.join(paths.git, "db");
const repos = new Map<string, Set<string>>();
for (const p of packages) {
if (!p.path.startsWith(coPath)) {
continue;
}
const [repo, ref] = p.path.slice(coPath.length + 1).split(path.sep);
const refs = repos.get(repo);
if (refs) {
refs.add(ref);
} else {
repos.set(repo, new Set([ref]));
}
}
// we have to keep both the clone, and the checkout, removing either will
// trigger a rebuild
let dir: fs.Dir;
// clean the db
dir = await fs.promises.opendir(dbPath);
for await (const dirent of dir) {
if (!repos.has(dirent.name)) {
await rm(dir.path, dirent);
}
}
// clean the checkouts
dir = await fs.promises.opendir(coPath);
for await (const dirent of dir) {
const refs = repos.get(dirent.name);
if (!refs) {
await rm(dir.path, dirent);
continue;
}
if (!dirent.isDirectory()) {
continue;
}
const refsDir = await fs.promises.opendir(path.join(dir.path, dirent.name));
for await (const dirent of refsDir) {
if (!refs.has(dirent.name)) {
await rm(refsDir.path, dirent);
}
}
}
}
async function macOsWorkaround() {
try {
// Workaround for https://github.com/actions/cache/issues/403
// Also see https://github.com/rust-lang/cargo/issues/8603
await exec.exec("sudo", ["/usr/sbin/purge"], { silent: true });
} catch {}
}