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fix(scripts): a second OBS backup on one day gets its own folder #46

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Merged
DarrellVS merged 1 commit into from
Sep 22, 2026
Merged

fix(scripts): a second OBS backup on one day gets its own folder #46

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23 changes: 21 additions & 2 deletions scripts/obs-backup.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,27 @@ const EXTRAS = [
];

const stamp = new Date().toISOString().slice(0, 10);
const destination =
process.argv[2] ?? path.join(os.homedir(), 'Documents', 'GoodBit backups', `obs-${stamp}`);

/*
* A folder of its own every run, even twice in one day.
*
* The name is the date, so a second run the same day copied into the first
* run's folder: its `hashes.json` and `MANIFEST.txt` were hashed as if they
* were OBS's own files, then rewritten, and the read back reported both as
* different. A verification that fails on a good backup teaches somebody to
* ignore it on a bad one.
*/
function freshFolder(base) {
if (!existsSync(base) && !existsSync(`${base}.zip`)) return base;
for (let n = 2; ; n++) {
const candidate = `${base}-${n}`;
if (!existsSync(candidate) && !existsSync(`${candidate}.zip`)) return candidate;
}
}

const destination = freshFolder(
process.argv[2] ?? path.join(os.homedir(), 'Documents', 'GoodBit backups', `obs-${stamp}`),
);

/** Every file under a directory, relative to it. */
function walk(root, prefix = '') {
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