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#!/usr/bin/env node

const path = require('path')

const assert = require('assert')

const patterns = require('../lib/patterns')

const { deprecated } = require('../lib/enterprise-server-releases')

const { getNewVersionedPath, getOldVersionFromOldPath } = require('../lib/old-versions-utils')

const usage = 'must provide a path like "/github/getting-started" or "/enterprise/2.20/user/github/getting-started", with or without language code'

// [start-readme]

// Helper script that returns a "new" versioned path given an "old" versioned path.

// Examples:

// Given: /github/getting-started-with-github/using-github

// Returns: /free-pro-team@latest/github/getting-started-with-github/using-github

// Given: /enterprise/admin/installation/upgrading-github-enterprise

// Returns: /enterprise-server@2.22/admin/installation/upgrading-github-enterprise

// [end-readme]

let oldPath = process.argv.slice(2)[0]

assert(oldPath, usage)

// add '/' to the original string if not included

if (!oldPath.startsWith('/')) {

oldPath = path.join('/', oldPath)

}

// do not transform deprecated versions

const oldVersion = getOldVersionFromOldPath(oldPath)

if (deprecated.includes(oldVersion)) {

console.log('This is a deprecated Enterprise path! It does not redirect.\n')

process.exit()

}

// get the new path

const newPath = patterns.hasLanguageCode.test(oldPath)

? getNewVersionedPath(oldPath, oldPath.match(patterns.getLanguageCode)[1])

: getNewVersionedPath(oldPath)

// print the result

console.log(`New versioned path:\n\n${newPath}\n`)