Script to create webhook payload files for a new version (#16393)

* new script to create webhook payload files for new version

* version does not have to be a GHES version

* remove newline

script/create-webhooks-for-new-version.js

@@ -0,0 +1,60 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const mkdirp = require('mkdirp').sync
+const path = require('path')
+const program = require('commander')
+const allVersions = require('../lib/all-versions')
+
+// [start-readme]
+//
+// This script creates new static webhook payload files for a new version.
+//
+// [end-readme]
+
+program
+  .description('Create new payload files in lib/webhooks/static/<new_version> based on an existing version.')
+  .option('-n, --newVersion <version>', 'The version to copy the payloads to. Must be in <plan@release> format.')
+  .option('-o, --oldVersion <version>', 'The version to copy the payloads from. Must be in <plan@release> format.')
+  .parse(process.argv)
+
+if (!(program.newVersion && program.oldVersion)) {
+  console.log('Error! You must provide --newVersion and --oldVersion.')
+  process.exit(1)
+}
+
+if (!(Object.keys(allVersions).includes(program.newVersion) && Object.keys(allVersions).includes(program.oldVersion))) {
+  console.log('Error! You must provide the full name of a supported version, e.g., enterprise-server@2.22.')
+  process.exit(1)
+}
+
+const newVersionDirName = allVersions[program.newVersion].miscVersionName
+const oldVersionDirName = allVersions[program.oldVersion].miscVersionName
+
+const payloadsDir = 'lib/webhooks/static'
+const srcDir = path.join(payloadsDir, oldVersionDirName)
+const destDir = path.join(payloadsDir, newVersionDirName)
+
+// create the new directory
+mkdirp(destDir)
+
+// copy the files
+fs.readdirSync(srcDir).forEach(file => {
+  const srcFile = path.join(srcDir, file)
+  const destFile = path.join(destDir, file)
+  fs.copyFileSync(srcFile, destFile)
+})
+
+// check that it worked
+if (!fs.existsSync(destDir)) {
+  console.log(`Error! A new directory was not successfully created at ${destDir}.`)
+  process.exit(1)
+}
+
+if (!fs.readdirSync(destDir).length) {
+  console.log(`Error! The directory created at ${destDir} is empty.`)
+  process.exit(1)
+}
+
+// print success message
+console.log(`Done! Copied ${srcDir} to ${destDir}.`)