| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| 'use strict'; |
| |
| function getNextVersion (previousVersion) { |
| // get previous version number |
| // NOTE: |
| // only versions of the form N.x are accepted |
| var previousVersionMatch = previousVersion.match(/^(\d+)\.x$/); |
| if (!previousVersionMatch) { |
| throw Error('invalid version'); |
| } |
| |
| // get next major version |
| var previousMajor = previousVersionMatch[1]; |
| var nextMajor = parseInt(previousMajor) + 1; |
| |
| // create next version |
| var nextVersion = nextMajor + '.x'; |
| |
| return nextVersion; |
| } |
| |
| function main () { |
| // get arg |
| var previousVersion = process.argv[2]; |
| if (!previousVersion) { |
| console.error('no version specified'); |
| process.exit(1); |
| } |
| |
| // try to get the next version |
| var nextVersion = null; |
| try { |
| nextVersion = getNextVersion(previousVersion); |
| } catch (e) { |
| console.error(e); |
| process.exit(1); |
| } |
| |
| console.log(nextVersion); |
| } |
| |
| module.exports = { |
| getNextVersion: getNextVersion |
| }; |
| |
| if (require.main === module) { |
| main(); |
| } |