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986480a327
- Move funding section to the top of the readme - add funding paragraph to the intro of the docs
184 lines
7.8 KiB
Markdown
184 lines
7.8 KiB
Markdown
<p align="center">
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<picture>
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<source width="600" media="(prefers-color-scheme: dark)" srcset="https://gist.githubusercontent.com/DavHau/755fed3774e89c0b9b8953a0a25309fa/raw/0312cc4f785de36212f4303d23298f07c13549dc/dream2nix-dark.png">
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<source width="600" media="(prefers-color-scheme: light)" srcset="https://gist.githubusercontent.com/DavHau/755fed3774e89c0b9b8953a0a25309fa/raw/e2a12a60ae49aa5eb11b42775abdd1652dbe63c0/dream2nix-01.png">
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<img width="600" alt="dream2nix - A framework for automated nix packaging" src="https://gist.githubusercontent.com/DavHau/755fed3774e89c0b9b8953a0a25309fa/raw/e2a12a60ae49aa5eb11b42775abdd1652dbe63c0/dream2nix-01.png">
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</picture>
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<br>
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Automate reproducible packaging for various language ecosystems
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<br>
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<a href="https://nix-community.github.io/dream2nix/">Documentation</a> |
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<a href="https://nix-community.github.io/dream2nix/contributing.html">Contributing</a> |
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<a href="https://nix-community.github.io/dream2nix/intro/override-system.html">Overriding Packages</a> |
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<a href="https://github.com/nix-community/dream2nix/tree/main/examples">Examples</a>
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</p>
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!!! Warning: dream2nix is unstable software. While simple UX is one of our main focus points, the APIs are still under development. Do expect changes that will break your setup.
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### Ecosystem stats:
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<p>
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<a href="https://nix-community.github.io/dream2nix-auto-test/#pkgs-nodejs" target="_blank" rel="noopener noreferrer">
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<img src="https://raw.githubusercontent.com/nix-community/dream2nix-auto-test/gh-pages/pkgs-nodejs.svg"></a>
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<br>
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<a href="https://nix-community.github.io/dream2nix-auto-test/#pkgs-haskell" target="_blank" rel="noopener noreferrer">
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<img src="https://raw.githubusercontent.com/nix-community/dream2nix-auto-test/gh-pages/pkgs-haskell.svg"></a>
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<br>
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<a href="https://nix-community.github.io/dream2nix-auto-test/#pkgs-rust" target="_blank" rel="noopener noreferrer">
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<img src="https://raw.githubusercontent.com/nix-community/dream2nix-auto-test/gh-pages/pkgs-rust.svg"></a>
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</p>
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### Funding
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This project was funded through the [NGI Assure](https://nlnet.nl/assure) Fund, a fund established by [NLnet](https://nlnet.nl/) with financial support from the European Commission's [Next Generation Internet](https://ngi.eu/) programme, under the aegis of DG Communications Networks, Content and Technology under grant agreement No 957073. **Applications are still open, you can [apply today](https://nlnet.nl/propose)**.
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Besides that, the project also receives private funding and support from [<img src="https://platonic.systems/logo.svg" height="25" width="25" alt=""> Platonic.Systems](https://platonic.systems).
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If your organization wants to support the project with extra funding in order to add support for more languages or new features, please contact one of the maintainers.
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## Goals
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dream2nix focuses on the following aspects:
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- Modularity
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- Customizability
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- Maintainability
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- Nixpkgs Compatibility, by not enforcing IFD (import from derivation)
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- Code de-duplication across 2nix converters
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- Code de-duplication in nixpkgs
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- Risk-free opt-in aggregated fetching (larger [FODs](https://nixos.wiki/wiki/Glossary), less checksums)
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- Common UI across 2nix converters
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- Reduce effort to develop new 2nix solutions
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- Exploration and adoption of new nix features
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- Simplified updating of packages
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The goal of this project is to create a standardized, generic, modular framework for automated packaging solutions, aiming for better flexibility, maintainability and usability.
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The intention is to integrate many existing 2nix converters into this framework, thereby improving many of the previously named aspects and providing a unified UX for all 2nix solutions.
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### Test the experimental version of dream2nix
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(Currently only nodejs and rust packaging is supported)
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1. Make sure you use a nix version >= 2.4 and have `experimental-features = "nix-command flakes"` set.
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1. Navigate to to the project intended to be packaged and initialize a dream2nix flake:
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```command
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cd ./my-project
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nix flake init -t github:nix-community/dream2nix#simple
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```
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1. List the packages that can be built
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```command
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nix flake show
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```
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Minimal Example `flake.nix`:
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```nix
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{
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inputs.dream2nix.url = "github:nix-community/dream2nix";
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outputs = { self, dream2nix }:
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dream2nix.lib.makeFlakeOutputs {
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systems = ["x86_64-linux"];
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config.projectRoot = ./.;
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source = ./.;
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projects = ./projects.toml;
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};
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}
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```
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Extensive Example `flake.nix`:
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```nix
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{
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inputs.dream2nix.url = "github:nix-community/dream2nix";
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outputs = { self, dream2nix }:
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dream2nix.lib.makeFlakeOutputs {
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systems = ["x86_64-linux"];
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config.projectRoot = ./.;
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source = ./.;
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# `projects` can alternatively be an attrset.
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# `projects` can be omitted if `autoProjects = true` is defined.
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projects = ./projects.toml;
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# Configure the behavior of dream2nix when translating projects.
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# A setting applies to all discovered projects if `filter` is unset,
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# or just to a subset or projects if `filter` is used.
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settings = [
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# prefer aggregated source fetching (large FODs)
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{
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aggregate = true;
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}
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# for all impure nodejs projects with just a `package.json`,
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# add arguments for the `package-json` translator
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{
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filter = project: project.translator == "package-json";
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subsystemInfo.npmArgs = "--legacy-peer-deps";
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subsystemInfo.nodejs = 18;
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}
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];
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# configure package builds via overrides
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# (see docs for override system below)
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packageOverrides = {
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# name of the package
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package-name = {
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# name the override
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add-pre-build-steps = {
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# override attributes
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preBuild = "...";
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# update attributes
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buildInputs = old: old ++ [pkgs.hello];
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};
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};
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};
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# Inject missing dependencies
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inject = {
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# Make foo depend on bar and baz
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# from
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foo."6.4.1" = [
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# to
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["bar" "13.2.0"]
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["baz" "1.0.0"]
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];
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# dependencies with @ and slash require quoting
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# the format is the one that is in the lockfile
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"@tiptap/extension-code"."2.0.0-beta.26" = [
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["@tiptap/core" "2.0.0-beta.174"]
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];
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};
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# add sources for `bar` and `baz`
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sourceOverrides = oldSources: {
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bar."13.2.0" = builtins.fetchTarball {url = ""; sha256 = "";};
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baz."1.0.0" = builtins.fetchTarball {url = ""; sha256 = "";};
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};
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};
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}
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```
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An example for instancing dream2nix per pkgs and using it to create outputs can be found at [`examples_d2n-init-pkgs`](./examples/_d2n-init-pkgs/flake.nix).
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### Documentation
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Documentation for `main` branch is deployed to https://nix-community.github.io/dream2nix.
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A CLI app is available if you want to read documentation in your terminal.
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The app is available as `d2n-docs` if you enter the development shell, otherwise you can access it with `nix run .#docs`.
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`d2n-docs` can be used to access all available documentation.
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To access a specific document you can use `d2n-docs doc-name` where `doc-name` is the name of the document.
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For example, to access Rust subsystem documentation, you can use `d2n-docs rust`.
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You can also build documentation by running `nix build .#docs`.
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Or by entering the development shell (`nix develop`) and running `mdbook build docs`.
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### Watch the presentation
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(The code examples of the presentation are outdated)
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[](https://www.youtube.com/watch?v=jqCfHMvCsfQ)
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### Community
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matrix: https://matrix.to/#/#dream2nix:nixos.org
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