forked from DGNum/colmena
Make dev environment flake-compatible
Co-authored-by: Alex Zero <joseph@marsden.space>
This commit is contained in:
Zhaofeng Li
parent
8a95ee87b6
commit
9d8153ee6d
11 changed files with 114 additions and 227 deletions
2
.envrc
2
.envrc
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@ -1 +1 @@
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use nix dev-shell.nix
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use nix
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@ -32,11 +32,6 @@ nix-env -if default.nix
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## Tutorial
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Enter a shell with `colmena` with:
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```
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nix-shell
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```
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Colmena should work with your existing NixOps and Morph configurations with minimal modification.
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Here is a sample `hive.nix` with two nodes, with some common configurations applied to both nodes:
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10
default.nix
10
default.nix
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@ -1,5 +1,11 @@
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{
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pkgs ? import ./pkgs.nix,
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let
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lock = builtins.fromJSON (builtins.readFile ./flake.lock);
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lockedPkgs = import (fetchTarball {
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url = "https://github.com/NixOS/nixpkgs/archive/${lock.nodes.nixpkgs.locked.rev}.tar.gz";
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sha256 = lock.nodes.nixpkgs.locked.narHash;
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}) {};
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in {
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pkgs ? lockedPkgs,
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}: let
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lib = pkgs.lib;
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stdenv = pkgs.stdenv;
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@ -1,10 +0,0 @@
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let
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pkgs = import ./pkgs.nix;
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in pkgs.mkShell {
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buildInputs = with pkgs; [
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rustc cargo
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];
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shellHook = ''
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export NIX_PATH=nixpkgs=${pkgs.path}
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'';
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}
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9
flake-compat.nix
Normal file
9
flake-compat.nix
Normal file
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@ -0,0 +1,9 @@
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let
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lock = builtins.fromJSON (builtins.readFile ./flake.lock);
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flakeCompat = import (fetchTarball {
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url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
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sha256 = lock.nodes.flake-compat.locked.narHash;
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});
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in flakeCompat {
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src = ./.;
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}
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60
flake.lock
Normal file
60
flake.lock
Normal file
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@ -0,0 +1,60 @@
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{
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"nodes": {
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"flake-compat": {
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"flake": false,
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"locked": {
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"lastModified": 1606424373,
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"narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
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"owner": "edolstra",
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"repo": "flake-compat",
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"rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
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"type": "github"
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},
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"original": {
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"owner": "edolstra",
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"repo": "flake-compat",
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"type": "github"
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}
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1624668028,
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"narHash": "sha256-FUxvXMBPQ5jrGhS47jwBFZQte0yDkMCBI5M24mJi5X0=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "e85975942742a3728226ac22a3415f2355bfc897",
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"type": "github"
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},
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"original": {
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"owner": "NixOS",
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"ref": "nixpkgs-unstable",
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"repo": "nixpkgs",
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"type": "github"
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}
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},
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"root": {
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"inputs": {
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"flake-compat": "flake-compat",
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"nixpkgs": "nixpkgs",
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"utils": "utils"
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}
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},
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"utils": {
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"locked": {
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"lastModified": 1623875721,
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"narHash": "sha256-A8BU7bjS5GirpAUv4QA+QnJ4CceLHkcXdRp4xITDB0s=",
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"owner": "numtide",
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"repo": "flake-utils",
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"rev": "f7e004a55b120c02ecb6219596820fcd32ca8772",
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"type": "github"
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},
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"original": {
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"owner": "numtide",
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"repo": "flake-utils",
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"type": "github"
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}
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}
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},
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"root": "root",
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"version": 7
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}
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34
flake.nix
Normal file
34
flake.nix
Normal file
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@ -0,0 +1,34 @@
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{
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description = "A simple, stateless NixOS deployment tool modeled after NixOps.";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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utils.url = "github:numtide/flake-utils";
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flake-compat = {
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url = "github:edolstra/flake-compat";
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flake = false;
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};
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};
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outputs = { self, nixpkgs, utils, ... }: let
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supportedSystems = utils.lib.defaultSystems ++ [ "riscv64-linux" ];
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in utils.lib.eachSystem supportedSystems (system: let
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pkgs = import nixpkgs { inherit system; };
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in rec {
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# We still maintain the expression in a Nixpkgs-acceptable form
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legacyPackages.colmena = import ./default.nix { inherit pkgs; };
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defaultPackage = self.legacyPackages.${system}.colmena;
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defaultApp = self.apps.${system}.colmena;
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apps.colmena = {
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type = "app";
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program = "${defaultPackage}/bin/colmena";
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};
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devShell = pkgs.mkShell {
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inputsFrom = [ defaultPackage ];
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buildInputs = [ pkgs.nixUnstable ];
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};
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});
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}
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@ -1,26 +0,0 @@
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{
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"niv": {
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"branch": "master",
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"description": "Easy dependency management for Nix projects",
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"homepage": "https://github.com/nmattia/niv",
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"owner": "nmattia",
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"repo": "niv",
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"rev": "ba57d5a29b4e0f2085917010380ef3ddc3cf380f",
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"sha256": "1kpsvc53x821cmjg1khvp1nz7906gczq8mp83664cr15h94sh8i4",
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"type": "tarball",
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"url": "https://github.com/nmattia/niv/archive/ba57d5a29b4e0f2085917010380ef3ddc3cf380f.tar.gz",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
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},
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"nixpkgs": {
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"branch": "nixpkgs-unstable",
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"description": "Nix Packages collection",
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"homepage": "",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "efee454783c5c14ae78687439077c1d3f0544d97",
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"sha256": "1qk4g8rav2mkbd6y2zr1pi3pxs4rwlkpr8xk51m0p26khprxvjaf",
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"type": "tarball",
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"url": "https://github.com/NixOS/nixpkgs/archive/efee454783c5c14ae78687439077c1d3f0544d97.tar.gz",
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"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
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}
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}
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174
nix/sources.nix
174
nix/sources.nix
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@ -1,174 +0,0 @@
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# This file has been generated by Niv.
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let
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#
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# The fetchers. fetch_<type> fetches specs of type <type>.
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#
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fetch_file = pkgs: name: spec:
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let
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name' = sanitizeName name + "-src";
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in
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if spec.builtin or true then
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builtins_fetchurl { inherit (spec) url sha256; name = name'; }
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else
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pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
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fetch_tarball = pkgs: name: spec:
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let
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name' = sanitizeName name + "-src";
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in
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if spec.builtin or true then
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builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
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else
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pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
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fetch_git = name: spec:
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let
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ref =
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if spec ? ref then spec.ref else
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if spec ? branch then "refs/heads/${spec.branch}" else
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if spec ? tag then "refs/tags/${spec.tag}" else
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abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
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in
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builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
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fetch_local = spec: spec.path;
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fetch_builtin-tarball = name: throw
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''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
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$ niv modify ${name} -a type=tarball -a builtin=true'';
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fetch_builtin-url = name: throw
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''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
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$ niv modify ${name} -a type=file -a builtin=true'';
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#
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# Various helpers
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#
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# https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
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sanitizeName = name:
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(
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concatMapStrings (s: if builtins.isList s then "-" else s)
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(
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builtins.split "[^[:alnum:]+._?=-]+"
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((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
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)
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);
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# The set of packages used when specs are fetched using non-builtins.
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mkPkgs = sources: system:
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let
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sourcesNixpkgs =
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import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
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hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
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hasThisAsNixpkgsPath = <nixpkgs> == ./.;
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in
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if builtins.hasAttr "nixpkgs" sources
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then sourcesNixpkgs
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else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
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import <nixpkgs> {}
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else
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abort
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''
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Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
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add a package called "nixpkgs" to your sources.json.
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'';
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# The actual fetching function.
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fetch = pkgs: name: spec:
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if ! builtins.hasAttr "type" spec then
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abort "ERROR: niv spec ${name} does not have a 'type' attribute"
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else if spec.type == "file" then fetch_file pkgs name spec
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else if spec.type == "tarball" then fetch_tarball pkgs name spec
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else if spec.type == "git" then fetch_git name spec
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else if spec.type == "local" then fetch_local spec
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else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
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else if spec.type == "builtin-url" then fetch_builtin-url name
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else
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abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
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# If the environment variable NIV_OVERRIDE_${name} is set, then use
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# the path directly as opposed to the fetched source.
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replace = name: drv:
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let
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saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
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ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
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in
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if ersatz == "" then drv else
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# this turns the string into an actual Nix path (for both absolute and
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# relative paths)
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if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
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# Ports of functions for older nix versions
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# a Nix version of mapAttrs if the built-in doesn't exist
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mapAttrs = builtins.mapAttrs or (
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f: set: with builtins;
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listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
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);
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
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range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
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stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
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# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
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stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
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concatMapStrings = f: list: concatStrings (map f list);
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concatStrings = builtins.concatStringsSep "";
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# https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
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optionalAttrs = cond: as: if cond then as else {};
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# fetchTarball version that is compatible between all the versions of Nix
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builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
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let
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inherit (builtins) lessThan nixVersion fetchTarball;
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in
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if lessThan nixVersion "1.12" then
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fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
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else
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fetchTarball attrs;
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# fetchurl version that is compatible between all the versions of Nix
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builtins_fetchurl = { url, name ? null, sha256 }@attrs:
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let
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inherit (builtins) lessThan nixVersion fetchurl;
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in
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if lessThan nixVersion "1.12" then
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fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
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else
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fetchurl attrs;
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# Create the final "sources" from the config
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mkSources = config:
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mapAttrs (
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name: spec:
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if builtins.hasAttr "outPath" spec
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then abort
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"The values in sources.json should not have an 'outPath' attribute"
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else
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spec // { outPath = replace name (fetch config.pkgs name spec); }
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) config.sources;
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# The "config" used by the fetchers
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mkConfig =
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{ sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
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, sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
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, system ? builtins.currentSystem
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, pkgs ? mkPkgs sources system
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}: rec {
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# The sources, i.e. the attribute set of spec name to spec
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inherit sources;
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# The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
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inherit pkgs;
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};
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in
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mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }
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3
pkgs.nix
3
pkgs.nix
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@ -1,3 +0,0 @@
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let
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sources = import ./nix/sources.nix;
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in import sources.nixpkgs {}
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@ -1,7 +1,3 @@
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let
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pkgs = import ./pkgs.nix;
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in pkgs.mkShell {
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buildInputs = [
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(import ./default.nix {})
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];
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}
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flake = import ./flake-compat.nix;
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in flake.shellNix
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