forked from mirrors/nixpkgs
67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
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const https = require('https')
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const crypto = require('crypto')
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// TODO:
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// make test case where getSha1 function is used, i.e. the case when resolved is without sha1?
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// consider using https://github.com/request/request-promise-native
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function getSha1(url) {
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return new Promise((resolve, reject) => {
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https.get(url, res => {
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const { statusCode } = res
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const hash = crypto.createHash('sha1')
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if (statusCode !== 200) {
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const err = new Error(`Request Failed.\nStatus Code: ${statusCode}`)
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// consume response data to free up memory
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res.resume()
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reject(err)
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}
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res.on('data', chunk => {
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hash.update(chunk)
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})
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res.on('end', () => {
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resolve(hash.digest('hex'))
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})
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res.on('error', reject)
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})
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})
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}
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// Object -> Object
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async function fixPkgAddMissingSha1(pkg) {
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// local dependency
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if (!pkg.resolved) {
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console.error(
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`yarn2nix: can't find "resolved" field for package ${
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pkg.nameWithVersion
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}, you probably required it using "file:...", this feature is not supported, ignoring`,
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)
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return pkg
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}
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const [url, sha1] = pkg.resolved.split('#', 2)
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if (sha1) {
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return pkg
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}
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// if there is no sha1 in resolved url
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// (this could happen if yarn.lock was generated by older version of yarn)
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// - request it from registry by https and add it to pkg
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const newSha1 = await getSha1(url)
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return {
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...pkg,
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resolved: `${url}#${newSha1}`,
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}
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}
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module.exports = fixPkgAddMissingSha1
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