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| 1 | +// Generated from coana-package-manager's packages/coana-cache. Don't edit it here. |
| 2 | +// See "Launching Coana" in packages/cli/docs/gcs-releases.md there. |
| 3 | + |
| 4 | +// src/cli.ts |
| 5 | +import { cp, readdir as readdir2, rename as rename2, rm as rm3 } from "node:fs/promises"; |
| 6 | +import { join as join3 } from "node:path"; |
| 7 | + |
| 8 | +// src/cache.ts |
| 9 | +import { mkdir as mkdir2, open, readdir, readFile, rm as rm2, stat, utimes } from "node:fs/promises"; |
| 10 | +import { homedir } from "node:os"; |
| 11 | +import { dirname as dirname2, isAbsolute, join as join2, relative } from "node:path"; |
| 12 | + |
| 13 | +// ../utils/src/atomic-fs.ts |
| 14 | +import { randomUUID } from "node:crypto"; |
| 15 | +import { existsSync } from "node:fs"; |
| 16 | +import { chmod, mkdir, mkdtemp, rename, rm, writeFile } from "node:fs/promises"; |
| 17 | +import { basename, dirname, join } from "node:path"; |
| 18 | +async function populateDirAtomically(targetDir, populate) { |
| 19 | + if (existsSync(targetDir)) return; |
| 20 | + const parentDir = dirname(targetDir); |
| 21 | + await mkdir(parentDir, { recursive: true }); |
| 22 | + const tmpDir = await mkdtemp(join(parentDir, `.${basename(targetDir)}-`)); |
| 23 | + try { |
| 24 | + await populate(tmpDir); |
| 25 | + await chmod(tmpDir, 493); |
| 26 | + await rename(tmpDir, targetDir).catch((e) => { |
| 27 | + if (!existsSync(targetDir)) throw e; |
| 28 | + }); |
| 29 | + } finally { |
| 30 | + await rm(tmpDir, { recursive: true, force: true }).catch(() => { |
| 31 | + }); |
| 32 | + } |
| 33 | +} |
| 34 | +async function writeFileAtomically(path, data) { |
| 35 | + const tmpPath = `${path}.${randomUUID()}.tmp`; |
| 36 | + try { |
| 37 | + await writeFile(tmpPath, data); |
| 38 | + await rename(tmpPath, path); |
| 39 | + } finally { |
| 40 | + await rm(tmpPath, { force: true }).catch(() => { |
| 41 | + }); |
| 42 | + } |
| 43 | +} |
| 44 | + |
| 45 | +// src/cache.ts |
| 46 | +var SHA256 = /^[0-9a-f]{64}$/; |
| 47 | +var VERSION = /^[0-9A-Za-z][0-9A-Za-z.+-]*$/; |
| 48 | +var COMPONENT = /^[A-Za-z][0-9A-Za-z-]*$/; |
| 49 | +var TEMP_DIR = /^\.[0-9a-f]{64}-/; |
| 50 | +var ABANDONED_TEMP_DIR_MS = 24 * 60 * 6e4; |
| 51 | +function cacheRoot() { |
| 52 | + const xdgCacheHome = process.env.XDG_CACHE_HOME; |
| 53 | + const cacheHome = xdgCacheHome && isAbsolute(xdgCacheHome) ? xdgCacheHome : join2(homedir(), ".cache"); |
| 54 | + return join2(cacheHome, "socket", "coana", "v1"); |
| 55 | +} |
| 56 | +var OUT_OF_SPACE_CODES = /* @__PURE__ */ new Set(["ENOSPC", "EDQUOT"]); |
| 57 | +var NOT_WRITABLE_CODES = /* @__PURE__ */ new Set(["EACCES", "EPERM", "EROFS", ...OUT_OF_SPACE_CODES]); |
| 58 | +var CacheNotWritable = class _CacheNotWritable extends Error { |
| 59 | + constructor(outOfSpace, cause) { |
| 60 | + super( |
| 61 | + outOfSpace ? `The disk holding the Coana cache in ${cacheRoot()} is out of space (${cause.message}). Free some up, or set XDG_CACHE_HOME to a directory on another disk.` : `Could not write to the Coana cache in ${cacheRoot()} (${cause.message}). Set XDG_CACHE_HOME to a writable directory.`, |
| 62 | + { cause } |
| 63 | + ); |
| 64 | + } |
| 65 | + /** `e` as a {@link CacheNotWritable} when it is such a failure of a path in the cache. */ |
| 66 | + static from(e) { |
| 67 | + if (e instanceof _CacheNotWritable) return e; |
| 68 | + if (!(e instanceof Error)) return void 0; |
| 69 | + const { code = "", path: source, dest } = e; |
| 70 | + if (!NOT_WRITABLE_CODES.has(code)) return void 0; |
| 71 | + const outOfSpace = OUT_OF_SPACE_CODES.has(code); |
| 72 | + const paths = (outOfSpace && dest !== void 0 ? [dest] : [source, dest]).filter((p) => p !== void 0); |
| 73 | + const ofCache = paths.length === 0 ? outOfSpace : paths.some((path) => within(cacheRoot(), path) || within(path, cacheRoot())); |
| 74 | + return ofCache ? new _CacheNotWritable(outOfSpace, e) : void 0; |
| 75 | + function within(dir, path) { |
| 76 | + const fromDir = relative(dir, path); |
| 77 | + return !fromDir.startsWith("..") && !isAbsolute(fromDir); |
| 78 | + } |
| 79 | + } |
| 80 | +}; |
| 81 | +var InvalidCacheKey = class extends Error { |
| 82 | +}; |
| 83 | +async function writing(f) { |
| 84 | + try { |
| 85 | + return await f(); |
| 86 | + } catch (e) { |
| 87 | + throw CacheNotWritable.from(e) ?? e; |
| 88 | + } |
| 89 | +} |
| 90 | +function objectDir(sha256) { |
| 91 | + return join2(cacheRoot(), "objects", sha256); |
| 92 | +} |
| 93 | +function versionSegment(version) { |
| 94 | + if (!VERSION.test(version)) throw new InvalidCacheKey(`Invalid Coana version: ${version}`); |
| 95 | + return version; |
| 96 | +} |
| 97 | +function indexFile(version, component) { |
| 98 | + if (!COMPONENT.test(component)) throw new InvalidCacheKey(`Invalid component name: ${component}`); |
| 99 | + return join2(cacheRoot(), "versions", versionSegment(version), component); |
| 100 | +} |
| 101 | +async function lookup(version, component) { |
| 102 | + const sha256 = (await readFile(indexFile(version, component), "utf8").catch(() => "")).trim(); |
| 103 | + if (!SHA256.test(sha256)) return void 0; |
| 104 | + const dir = objectDir(sha256); |
| 105 | + const isDirectory = await stat(dir).then( |
| 106 | + (s) => s.isDirectory(), |
| 107 | + () => false |
| 108 | + ); |
| 109 | + return isDirectory ? dir : void 0; |
| 110 | +} |
| 111 | +async function install(version, component, sha256, populate) { |
| 112 | + if (!SHA256.test(sha256)) throw new InvalidCacheKey(`Invalid SHA-256: ${sha256}`); |
| 113 | + const index = indexFile(version, component); |
| 114 | + const target = objectDir(sha256); |
| 115 | + await writing(() => mkdir2(dirname2(index), { recursive: true })); |
| 116 | + await writing( |
| 117 | + () => populateDirAtomically(target, (dir) => { |
| 118 | + void sweepAbandonedTempDirs(); |
| 119 | + return populate(dir); |
| 120 | + }) |
| 121 | + ); |
| 122 | + await writing(() => writeFileAtomically(index, sha256)); |
| 123 | + return target; |
| 124 | +} |
| 125 | +var sweeps = /* @__PURE__ */ new Map(); |
| 126 | +function sweepAbandonedTempDirs() { |
| 127 | + const objects = join2(cacheRoot(), "objects"); |
| 128 | + let sweep = sweeps.get(objects); |
| 129 | + if (sweep === void 0) { |
| 130 | + sweep = removeAbandoned(); |
| 131 | + sweeps.set(objects, sweep); |
| 132 | + } |
| 133 | + return sweep; |
| 134 | + async function removeAbandoned() { |
| 135 | + const names = await readdir(objects).catch(() => []); |
| 136 | + await Promise.all( |
| 137 | + names.filter((name) => TEMP_DIR.test(name)).map(async (name) => { |
| 138 | + const dir = join2(objects, name); |
| 139 | + const age = await ageMs(dir); |
| 140 | + if (age !== void 0 && age > ABANDONED_TEMP_DIR_MS) |
| 141 | + await rm2(dir, { recursive: true, force: true }).catch(() => { |
| 142 | + }); |
| 143 | + }) |
| 144 | + ); |
| 145 | + } |
| 146 | +} |
| 147 | +async function ageMs(path) { |
| 148 | + return stat(path).then( |
| 149 | + (s) => Date.now() - s.ctimeMs, |
| 150 | + () => void 0 |
| 151 | + ); |
| 152 | +} |
| 153 | + |
| 154 | +// src/cli.ts |
| 155 | +var USAGE = `usage: coana-cache.mjs lookup <version> <component> |
| 156 | + coana-cache.mjs install <version> <component> <sha256> <extracted-dir>`; |
| 157 | +var NOT_CACHED = 4; |
| 158 | +async function main(args) { |
| 159 | + const [command, ...rest] = args; |
| 160 | + if (command === "lookup" && rest.length === 2) { |
| 161 | + const [version, component] = rest; |
| 162 | + const dir = await lookup(version, component); |
| 163 | + if (dir === void 0) return NOT_CACHED; |
| 164 | + process.stdout.write(`${dir} |
| 165 | +`); |
| 166 | + return 0; |
| 167 | + } |
| 168 | + if (command === "install" && rest.length === 4) { |
| 169 | + const [version, component, sha256, extracted] = rest; |
| 170 | + const dir = await install(version, component, sha256, (tmp) => moveInto(extracted, tmp)); |
| 171 | + await rm3(extracted, { recursive: true, force: true }).catch(() => { |
| 172 | + }); |
| 173 | + process.stdout.write(`${dir} |
| 174 | +`); |
| 175 | + return 0; |
| 176 | + } |
| 177 | + process.stderr.write(`${USAGE} |
| 178 | +`); |
| 179 | + return 2; |
| 180 | + async function moveInto(extractedDir, dir) { |
| 181 | + for (const name of await readdir2(extractedDir)) { |
| 182 | + const from = join3(extractedDir, name); |
| 183 | + const to = join3(dir, name); |
| 184 | + try { |
| 185 | + await rename2(from, to); |
| 186 | + } catch (e) { |
| 187 | + if (e.code !== "EXDEV") throw e; |
| 188 | + await cp(from, to, { recursive: true, verbatimSymlinks: true }); |
| 189 | + } |
| 190 | + } |
| 191 | + } |
| 192 | +} |
| 193 | +process.exitCode = await main(process.argv.slice(2)).catch((e) => { |
| 194 | + process.stderr.write(`${e instanceof Error ? e.message : String(e)} |
| 195 | +`); |
| 196 | + if (e instanceof InvalidCacheKey) return 2; |
| 197 | + return e instanceof CacheNotWritable ? 3 : 1; |
| 198 | +}); |
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