mikael-lovqvists-claude-agent
33bd288f9e
- package.json (ESM, bin entry) - bin/delta-backup.js — entrypoint - lib/args.js — CLI arg parsing via Node parseArgs - lib/config.js — config file merging + required path guards - lib/spawn.js — safe process spawning (no shell strings) - lib/state.js — sequence number + phase state management - lib/backends/zstd.js — zstd delta backend - lib/backends/index.js — backend registry - lib/commands/run.js — full run skeleton (phases 1-3 wired, 4-6 stubbed) - lib/commands/status.js — status command
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
/**
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* State management — tracks sequence numbers and run phases in DELTAS/state.json.
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* The state file is a recoverable cache; source of truth is the DELTAS directory.
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*/
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import { readFile, writeFile } from 'fs/promises';
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import { join } from 'path';
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const STATE_FILE = 'state.json';
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export async function readState(deltasDir) {
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const path = join(deltasDir, STATE_FILE);
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try {
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const raw = await readFile(path, 'utf8');
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return JSON.parse(raw);
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} catch {
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// Missing or unreadable — reconstruct from directory scan
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return reconstructState(deltasDir);
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}
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}
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export async function writeState(deltasDir, state) {
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const path = join(deltasDir, STATE_FILE);
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await writeFile(path, JSON.stringify(state, null, 2) + '\n', 'utf8');
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}
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async function reconstructState(deltasDir) {
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// TODO: scan DELTAS for highest committed sequence number
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// For now, start fresh
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return { next_seq: 1, last_complete: 0, phase: 'idle' };
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}
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export const PHASES = {
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IDLE: 'idle',
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CLEARING_PEND: 'clearing_pend',
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RSYNC_LOCAL: 'rsync_local',
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RSYNC_REMOTE: 'rsync_remote',
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GENERATING: 'generating_delta',
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COMMITTING: 'committing',
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PROMOTING: 'promoting_prev',
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};
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