setup-zig/versions.js
2020-11-11 12:38:41 +01:00

70 lines
1.7 KiB
JavaScript

const path = require('path')
const get = require('simple-get').concat
const semver = require('semver')
function extForPlatform (platform) {
return {
linux: 'tar.xz',
darwin: 'tar.xz',
win32: 'zip'
}[platform]
}
function resolveCommit (platform, version) {
const ext = extForPlatform(platform)
const addrhost = {
linux: 'linux-x86_64',
darwin: 'macos-x86_64',
win32: 'windows-x86_64'
}[platform]
const downloadUrl = `https://ziglang.org/builds/zig-${addrhost}-${version}.${ext}`
const variantName = `zig-${addrhost}-${version}`
return { downloadUrl, variantName }
}
function getJSON (opts) {
return new Promise((resolve, reject) => {
get({ ...opts, json: true }, (err, req, data) => {
if (err) {
reject(err)
} else {
resolve(data)
}
})
})
}
async function resolveVersion (platform, version) {
const ext = extForPlatform(platform)
const host = {
linux: 'x86_64-linux',
darwin: 'x86_64-macos',
win32: 'x86_64-windows'
}[platform] || platform
const index = await getJSON({ url: 'https://ziglang.org/download/index.json' })
const availableVersions = Object.keys(index)
const useVersion = semver.valid(version)
? semver.maxSatisfying(availableVersions.filter((v) => semver.valid(v)), version)
: null
const meta = index[useVersion || version]
if (!meta || !meta[host]) {
throw new Error(`Could not find version ${useVersion || version} for platform ${host}`)
}
const downloadUrl = meta[host].tarball
const variantName = path.basename(meta[host].tarball).replace(`.${ext}`, '')
return { downloadUrl, variantName }
}
module.exports = {
extForPlatform,
resolveCommit,
resolveVersion
}