41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
#!/usr/bin/env node
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import { spawnSync } from 'node:child_process';
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import { deriveHistoryBoundary } from './gate-history.mjs';
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const candidateKind = process.argv[2];
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const root = process.cwd();
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const boundary = deriveHistoryBoundary(root);
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function revParse(revision) {
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const result = spawnSync('git', ['rev-parse', revision], {
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cwd: root,
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encoding: 'utf8',
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});
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if (result.status !== 0) {
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process.stderr.write(`history boundary control could not resolve ${revision}\n`);
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process.exit(2);
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}
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return result.stdout.trim();
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}
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const candidates = {
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head: revParse('HEAD'),
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parent: revParse('HEAD^'),
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introduction: boundary.introductionCommit,
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};
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if (!Object.hasOwn(candidates, candidateKind)) {
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process.stderr.write(`unknown history boundary candidate ${String(candidateKind)}\n`);
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process.exit(2);
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}
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const candidate = candidates[candidateKind];
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if (candidate === boundary.activationCommit) {
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process.stdout.write(`history boundary candidate ${candidateKind} matched derived activation\n`);
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process.exit(0);
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}
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process.stderr.write(
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`history boundary candidate ${candidateKind} rejected: derived activation is parent of registry introduction\n`,
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);
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process.exit(1);
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