electron/script/release/version-utils.js

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const path = require('path')
const fs = require('fs')
const semver = require('semver')
const { GitProcess } = require('dugite')
const { promisify } = require('util')
const { ELECTRON_DIR } = require('../lib/utils')
const readFile = promisify(fs.readFile)
const preType = {
NONE: 'none',
PARTIAL: 'partial',
FULL: 'full'
}
const getCurrentDate = () => {
const d = new Date()
const dd = `${d.getDate()}`.padStart(2, '0')
const mm = `${d.getMonth() + 1}`.padStart(2, '0')
const yyyy = d.getFullYear()
return `${yyyy}${mm}${dd}`
}
const isNightly = v => v.includes('nightly')
const isBeta = v => v.includes('beta')
const isStable = v => {
const parsed = semver.parse(v)
return !!(parsed && parsed.prerelease.length === 0)
}
const makeVersion = (components, delim, pre = preType.NONE) => {
let version = [components.major, components.minor, components.patch].join(delim)
if (pre === preType.PARTIAL) {
version += `${delim}${components.pre[1] || 0}`
} else if (pre === preType.FULL) {
version += `-${components.pre[0]}${delim}${components.pre[1]}`
}
return version
}
async function nextBeta (v) {
const next = semver.coerce(semver.clean(v))
const tagBlob = await GitProcess.exec(['tag', '--list', '-l', `v${next}-beta.*`], ELECTRON_DIR)
const tags = tagBlob.stdout.split('\n').filter(e => e !== '')
tags.sort((t1, t2) => semver.gt(t1, t2))
// increment the latest existing beta tag or start at beta.1 if it's a new beta line
return tags.length === 0 ? semver.inc(next, 'beta', 'prerelease') : semver.inc(tags.pop(), 'prerelease')
}
async function getElectronVersion () {
const versionPath = path.resolve(ELECTRON_DIR, 'ELECTRON_VERSION')
const version = await readFile(versionPath, 'utf8')
return version.trim()
}
async function nextNightly (v) {
let next = semver.valid(semver.coerce(v))
const pre = `nightly.${getCurrentDate()}`
const branch = (await GitProcess.exec(['rev-parse', '--abbrev-ref', 'HEAD'], ELECTRON_DIR)).stdout.trim()
if (branch === 'master') {
next = semver.inc(await getLastMajorForMaster(), 'major')
} else if (isStable(v)) {
next = semver.inc(next, 'patch')
}
return `${next}-${pre}`
}
async function getLastMajorForMaster () {
let branchNames
const result = await GitProcess.exec(['branch', '-a', '--remote', '--list', 'origin/[0-9]-[0-9]-x'], ELECTRON_DIR)
if (result.exitCode === 0) {
branchNames = result.stdout.trim().split('\n')
const filtered = branchNames.map(b => b.replace('origin/', ''))
return getNextReleaseBranch(filtered)
} else {
throw new Error('Release branches could not be fetched.')
}
}
function getNextReleaseBranch (branches) {
const converted = branches.map(b => b.replace(/-/g, '.').replace('x', '0'))
return converted.reduce((v1, v2) => semver.gt(v1, v2) ? v1 : v2)
}
module.exports = {
isStable,
isBeta,
isNightly,
nextBeta,
makeVersion,
getElectronVersion,
nextNightly,
preType
}