MIT License with Commons Clause and Attribution Requirements

Copyright (c) 2023-2025 Volodymyr Lavrynovych

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and to permit
persons to whom the Software is furnished to do so, subject to the following
conditions:

1. COMMONS CLAUSE - "SELL" RESTRICTION

   Without limiting other conditions in this License, the grant of rights
   under this License will not include, and this License does not grant to
   you, the right to Sell the Software.

   For purposes of the foregoing, "Sell" means practicing any or all of the
   rights granted to you under this License to provide to third parties, for
   a fee or other consideration (including without limitation fees for hosting
   or consulting/support services related to the Software), a product or
   service whose value derives, entirely or substantially, from the
   functionality of the Software.

   Examples of prohibited activities:
   - Selling database migration tools built on this Software
   - Offering this Software as a hosted service for a fee
   - Selling database adapters or extensions as standalone products
   - Providing paid consulting/support services focused on this Software

   Examples of permitted activities:
   - Using this Software as a library in your commercial application
   - Building and selling applications that use this Software for migrations
   - Using this Software internally within your organization
   - Contributing improvements and bug fixes
   - Creating and sharing database adapters for free

2. ATTRIBUTION FOR DERIVATIVE WORKS

   If you create derivative works, database adapters, extensions, or similar
   migration tools that extend or build upon the functionality of this
   Software, you must:

   a) Retain the above copyright notice in your source code
   b) Include prominent attribution to the original author in your
      documentation and README:
      "Based on Migration Script Runner by Volodymyr Lavrynovych
       https://github.com/migration-script-runner/msr-core"
   c) Include this license file with your derivative work

   This attribution requirement does NOT apply if you are merely using this
   Software as a library/dependency in your application. It only applies to
   works that extend the migration functionality itself.

   Examples requiring attribution:
   - Creating a PostgreSQL migration adapter
   - Creating a MongoDB migration adapter
   - Forking this project with enhancements
   - Building alternative migration runners based on this Software

   Examples NOT requiring attribution:
   - Using this Software in your web application
   - Using this Software in your internal tools
   - Integrating this Software into your product as a dependency

3. STANDARD MIT CONDITIONS

   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

---

For questions about licensing, please open an issue at:
https://github.com/migration-script-runner/msr-core/issues