IOHK Common Nix Code

This repo contains build code and tools shared between IOHK projects.

1. Some util functions such as source filtering or helpers for Haskell.nix.
2. Customized libraries (as an overlay for nixpkgs.
3. Nix builds of development tools such as cache-s3.

When making changes to iohk-nix

Please document any change that might affect project builds in the ChangeLog. For example:

• Bumping nixpkgs to a different branch.
• Changing API (renaming attributes, changing function parameters, etc).