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29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
const crypto = require('crypto')
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const fs = require('fs')
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const path = require('path')
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const CONFIG = require('../config')
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const FINGERPRINT_PATH = path.join(CONFIG.repositoryRootPath, 'node_modules', '.dependencies-fingerprint')
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module.exports = {
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write: function () {
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const fingerprint = this.compute()
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fs.writeFileSync(FINGERPRINT_PATH, fingerprint)
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console.log('Wrote Dependencies Fingerprint:', FINGERPRINT_PATH, fingerprint)
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},
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read: function () {
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return fs.existsSync(FINGERPRINT_PATH) ? fs.readFileSync(FINGERPRINT_PATH, 'utf8') : null
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},
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isOutdated: function () {
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const fingerprint = this.read()
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return fingerprint ? fingerprint !== this.compute() : false
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},
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compute: function () {
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// Include the electron minor version in the fingerprint since that changing requires a re-install
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const electronVersion = CONFIG.appMetadata.electronVersion.replace(/\.\d+$/, '')
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const apmVersion = CONFIG.apmMetadata.dependencies['atom-package-manager']
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const body = electronVersion + apmVersion + process.platform + process.version + process.arch
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return crypto.createHash('sha1').update(body).digest('hex')
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}
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}
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