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94405650ae
PR-URL: https://github.com/nodejs/node/pull/38254 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
29 lines
640 B
JavaScript
29 lines
640 B
JavaScript
const pinflight = require('promise-inflight')
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const spawn = require('./spawn.js')
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const LRU = require('lru-cache')
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const revsCache = new LRU({
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max: 100,
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maxAge: 5 * 60 * 1000
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})
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const linesToRevs = require('./lines-to-revs.js')
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module.exports = async (repo, opts = {}) => {
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if (!opts.noGitRevCache) {
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const cached = revsCache.get(repo)
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if (cached) {
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return cached
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}
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}
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return pinflight(`ls-remote:${repo}`, () =>
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spawn(['ls-remote', repo], opts)
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.then(({ stdout }) => linesToRevs(stdout.trim().split('\n')))
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.then(revs => {
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revsCache.set(repo, revs)
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return revs
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})
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)
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}
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