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78 lines
3.3 KiB
Nix
78 lines
3.3 KiB
Nix
# A nix flake that sets up a complete development environment for the Matrix Spec.
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#
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# You must have already installed nix (https://nixos.org) on your system to use this.
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# nix can be installed on Linux or MacOS; NixOS is not required. Windows is not
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# directly supported, but nix can be installed inside of WSL2 or even Docker
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# containers. Please refer to https://nixos.org/download for details.
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#
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# You must also enable support for flakes in Nix. See the following for how to
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# do so permanently: https://nixos.wiki/wiki/Flakes#Enable_flakes
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#
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# Usage:
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#
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# With nix installed, navigate to the directory containing this flake and run
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# `nix develop --impure`.
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#
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# You should now be dropped into a new shell with all programs and dependencies
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# available to you!
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#
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# All state is stored in .devenv/state. Deleting a file from here and then
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# re-entering the shell will recreate these files from scratch.
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#
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# You can exit the development shell by typing `exit`, or using Ctrl-D.
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#
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# If you would like this development environment to activate automatically
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# upon entering this directory in your terminal, first install `direnv`
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# (https://direnv.net/). Then run `echo 'use flake . --impure' >> .envrc` at
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# the root of the Synapse repo. Finally, run `direnv allow .` to allow the
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# contents of '.envrc' to run every time you enter this directory. Voilà!
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{
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inputs = {
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# Use the master/unstable branch of nixpkgs for the latest packages.
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nixpkgs.url = "github:NixOS/nixpkgs/master";
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# Output a development shell for x86_64/aarch64 Linux/Darwin (MacOS).
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systems.url = "github:nix-systems/default";
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# A development environment manager built on Nix. See https://devenv.sh.
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devenv.url = "github:cachix/devenv/main";
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};
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outputs = { self, nixpkgs, devenv, systems, ... } @ inputs:
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let
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forEachSystem = nixpkgs.lib.genAttrs (import systems);
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in {
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devShells = forEachSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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in {
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# Everything is configured via devenv - a nix module for creating declarative
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# developer environments. See https://devenv.sh/reference/options/ for a list
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# of all possible options.
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default = devenv.lib.mkShell {
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inherit inputs pkgs;
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modules = [
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{
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# Make use of the Starship command prompt when this development environment
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# is manually activated (via `nix develop --impure`).
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# See https://starship.rs/ for details on the prompt itself.
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starship.enable = true;
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# Configure packages to install.
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# Search for package names at https://search.nixos.org/packages?channel=unstable
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packages = with pkgs; [
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# For building the spec as a static site.
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hugo
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];
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# Install node and npm. The hugo theme we use, 'docsy', has some node dependencies.
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# In addition, some of the matrix-spec development scripts are written in nodejs.
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languages.javascript.enable = true;
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# Run `npm install` on shell initialisation if package-lock.json
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# or the node version has changed.
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languages.javascript.npm.install.enable = true;
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}
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];
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};
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});
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};
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} |