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feat(snapshot): gcSnapshots + ocp update --rollback --gc + auto-GC; v3.16.0 (#94)

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Adds snapshot garbage collection with retention policy: keep last 5,
keep snapshots within 30 days, always keep the most recent. Configurable
via keepCount / keepDays opts.

Wire-up:
- ocp update --rollback --gc (manual trigger; --dry-run supported)
- runFullUpgrade auto-GC after successful upgrade (best-effort,
  swallows errors)

4 unit tests: keepCount enforcement, keepDays override, never-delete-
most-recent safety, dry-run mode.

Bumps to v3.16.0 (bundles PR #93 --check oauth + this GC feature).

No cli.js citation needed: this is OCP-internal snapshot lifecycle with
no corresponding cli.js operation.

Co-authored-by: dtzp555 <dtzp555@gmail.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
dtzp555-max
2026-05-11 07:33:13 +10:00
committed by GitHub
co-authored by taodeng Claude Sonnet 4.6
parent a8601a6d30
commit 7a69d72886
6 changed files with 171 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
scripts/upgrade.mjs
+22 -2
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@@ -14,7 +14,7 @@ import { execSync } from "node:child_process";
import { homedir } from "node:os";
import { join } from "node:path";
import { existsSync, copyFileSync } from "node:fs";
import { writeSnapshot, listSnapshots, readSnapshot } from "./lib/snapshot.mjs";
import { writeSnapshot, listSnapshots, readSnapshot, gcSnapshots } from "./lib/snapshot.mjs";
export async function runUpgrade(opts = {}) {
const dryRun = !!opts.dryRun;
@@ -154,6 +154,16 @@ async function runFullUpgrade({ doctor, opts }) {
phases.push({ name: "post-flight", status: "skipped-mock" });
}
// Auto-GC old snapshots after successful upgrade (best-effort, never throws).
try {
const gc = gcSnapshots(homedir(), { keepCount: 5, keepDays: 30 });
if (gc.removed.length > 0) {
console.error(`[gc] removed ${gc.removed.length} old snapshots; kept ${gc.kept.length}`);
}
} catch (e) {
console.error(`[gc] warn: snapshot GC failed: ${e.message}`);
}
return { path: "upgrade", executed: true, changed: true, snapshotPath, phases };
} catch (err) {
if (snapshotPath && !err.snapshotPath) {
@@ -193,6 +203,11 @@ async function runRollback(opts) {
const homeDir = opts.homeDir || homedir();
const snapshots = opts.mockSnapshots ?? listSnapshots(homeDir);
if (opts.gc) {
const result = gcSnapshots(homeDir, { dryRun: opts.dryRun });
return { path: opts.dryRun ? "rollback-gc-dry-run" : "rollback-gc", ...result };
}
if (opts.list) {
return { path: "rollback-list", snapshots };
}
@@ -295,6 +310,7 @@ if (_isMain()) {
const yes = args.includes("--yes");
const rollback = args.includes("--rollback");
const list = args.includes("--list");
const gc = args.includes("--gc");
const targetIdx = args.indexOf("--target");
const target = targetIdx !== -1 ? args[targetIdx + 1] : undefined;
// First non-flag positional after --rollback is the snapshot path
@@ -305,7 +321,7 @@ if (_isMain()) {
if (cand && !cand.startsWith("--")) snapshotPath = cand;
}
try {
const result = await runUpgrade({ dryRun, yes, rollback, list, snapshotPath, target });
const result = await runUpgrade({ dryRun, yes, rollback, list, gc, snapshotPath, target });
if (result.plan) for (const line of result.plan) console.log(line);
if (result.phases) for (const p of result.phases) console.log(`[${p.name}] ${p.status}${p.cmd ? `: ${p.cmd}` : ""}`);
if (result.steps) for (const s of result.steps) console.log(` ${s.status === "ok" ? "✓" : s.status === "skipped-mock" ? "·" : "✗"} ${s.cmd}`);
@@ -313,6 +329,10 @@ if (_isMain()) {
console.log(`Found ${result.snapshots.length} snapshots:`);
for (const s of result.snapshots) console.log(` ${s.name}`);
}
if (result.removed && result.kept) {
console.log(`Snapshots: kept ${result.kept.length}, ${result.dryRun ? "would remove" : "removed"} ${result.removed.length}`);
for (const s of result.removed) console.log(` - ${s.name}`);
}
process.exit(0);
} catch (e) {
console.error(`✗ ${e.message}`);