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https://github.com/morluto/rea.git
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morluto
93aa9eb5c2
* fix(process): bind snapshots to captured file identity * fix(process): honor snapshot cancellation for empty files * test(process): verify snapshot descriptor cleanup * fix(process): preserve snapshot cancellation results * fix(process): preserve non-cancellation capture failures * test(process): verify descriptor cleanup with fstat * fix(process): detect snapshot changes by ctime * test(process): prove snapshot ctime invalidation
24 lines
1020 B
JavaScript
24 lines
1020 B
JavaScript
import { execFileSync } from "node:child_process";
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import { lstat, unlink, writeFile } from "node:fs/promises";
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import { join } from "node:path";
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import { pathToFileURL } from "node:url";
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const [snapshotModulePath, directory] = process.argv.slice(2);
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if (snapshotModulePath === undefined || directory === undefined)
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throw new Error(
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"Filesystem snapshot FIFO probe requires a module path and directory",
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);
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const { hashFile } = await import(pathToFileURL(snapshotModulePath));
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const path = join(directory, "observed-file");
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await writeFile(path, "regular file\n");
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const expected = await lstat(path);
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await unlink(path);
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execFileSync("mkfifo", [path]);
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// This invokes the production lstat-to-open hashing seam with a known captured
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// regular-file identity. The owner test bounds this child so an O_RDONLY FIFO
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// regression cannot hang Vitest.
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const digest = await hashFile(path, expected, 1_000);
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if (digest !== null) throw new Error("Expected the FIFO to be rejected");
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process.stdout.write("rejected\n");
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