mirror of
https://github.com/NixOS/nix.dev.git
synced 2024-10-18 00:06:26 -04:00
168 lines
6.1 KiB
Nix
168 lines
6.1 KiB
Nix
{ inputs ? import ./nix/sources.nix
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, system ? builtins.currentSystem
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,
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}:
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let
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pkgs = import inputs.nixpkgs-prev-stable {
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config = { };
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overlays = [ (import ./overlay.nix) ];
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inherit system;
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};
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lib = pkgs.lib;
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nix-releases = with lib.attrsets;
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mapAttrs (_: input: (import input).default)
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(filterAttrs
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(name: _: lib.strings.match "^nix_([0-9]+)-([0-9]+)$" name != null)
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inputs);
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nix-dev =
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let
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# Various versions of the Nix manuals, grep for (nix-manual)= to find where they are displayed.
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# FIXME: This requires human interaction to update! See ./CONTRIBUTING.md for details.
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releases = rec {
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nixpkgs-rolling = import inputs.nixpkgs-rolling { } // { inherit (nixpkgs-rolling.lib) version; };
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nixpkgs-stable = import inputs.nixpkgs-stable { } // { inherit (nixpkgs-stable.lib) version; };
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nixpkgs-prev-stable = import inputs.nixpkgs-prev-stable { } // { inherit (nixpkgs-prev-stable.lib) version; };
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#nix-latest = with lib; nix-releases.${last (lists.naturalSort (attrNames nix-releases))};
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# TODO: to further simplify this and get Nix from Nixpkgs with all required files present,
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# make a patch release of Nix after https://github.com/NixOS/nix/pull/9949 lands,
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# and bump the respective version in the respective Nixpkgs `release-*` branch.
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nix-latest = (import inputs.nix-rolling).default;
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nix-rolling = (import inputs.nix-rolling).default;
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nix-stable = (import inputs.nix-stable).default;
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nix-prev-stable = (import inputs.nix-prev-stable).default;
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};
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version = package: lib.versions.majorMinor package.version;
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in
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pkgs.stdenv.mkDerivation {
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name = "nix-dev";
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src = ./.;
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nativeBuildInputs = with pkgs.python310.pkgs; [
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linkify-it-py
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myst-parser
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sphinx
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sphinx-book-theme
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sphinx-copybutton
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sphinx-design
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sphinx-notfound-page
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sphinx-sitemap
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];
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buildPhase =
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let
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nix-manual-index =
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with lib.attrsets;
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with lib.strings;
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replaceStrings
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(mapAttrsToList (release: _: "@${release}@") releases)
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(mapAttrsToList (_: package: version package) releases)
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(builtins.readFile ./source/reference/nix-manual.md);
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in
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''
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cp -f ${builtins.toFile "nix-manual.md" nix-manual-index} $TMP/nix.dev/source/reference/nix-manual.md
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make html
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'';
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installPhase =
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with lib.attrsets;
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with lib.strings;
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let
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nix-releases =
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let
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package = name: elemAt (splitString "-" name) 0;
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release = name: elemAt (splitString "-" name) 1;
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filtered = filterAttrs (name: value: (package name) == "nix") releases;
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in
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mapAttrs' (name: value: { name = release name; inherit value; }) filtered;
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# the same Nix version could appear in multiple Nixpkgs releases,
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# but we want to copy each exactly once.
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unique-version =
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let
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version-exists = p: ps: elem (version p) (map (x: version x) ps);
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in
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lib.lists.foldl' (acc: elem: if version-exists elem acc then acc else acc ++ [ elem ]) [ ];
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copy = nix: ''
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cp -Rf ${nix.doc}/share/doc/nix/manual/* $out/manual/nix/${version nix}
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'';
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# add upstream page redirects of the form `<from> <to> <status>`, excluding comments and empty lines
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# TODO: once https://github.com/NixOS/nix/pull/9949 lands, bump the source and use:
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# ${nix.doc}/share/doc/nix/manual/_redirects
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# also remove the then unnecessary file from the root directory of the manual:
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# rm $out/manual/nix/${version nix}/_redirects
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redirects = nix: ''
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sed '/^#/d;/^$/d;s#^\(.*\) \(.*\) #/manual/nix/${version nix}\1 /manual/nix/${version nix}\2 #g' ${nix.src}/doc/manual/_redirects >> $out/_redirects
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'';
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shortlink = release: nix: ''
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echo /nix/manual/${release}/* /nix/manual/${nix.version}/:splat 302 >> $out/_redirects
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'';
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in
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''
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mkdir -p $out
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cp -R build/html/* $out/
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# NOTE: the comma in the shell expansion makes it also work for singleton lists
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mkdir -p $out/manual/nix/{${concatStringsSep "," (mapAttrsToList (_: nix: version nix) nix-releases)},}
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${concatStringsSep "\n" (map copy (unique-version (attrValues nix-releases)))}
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${concatStringsSep "\n" (map redirects (unique-version (attrValues nix-releases)))}
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${concatStringsSep "\n" (mapAttrsToList shortlink nix-releases)}
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'';
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};
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devmode =
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let
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pythonEnvironment = pkgs.python310.withPackages (ps: with ps; [
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livereload
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]);
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script = ''
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from livereload import Server
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from subprocess import Popen, PIPE
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import shlex
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server = Server()
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def nix_build():
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p = Popen(
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shlex.split("nix-build -A build"),
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# capture output as text
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stdout=PIPE,
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stderr=PIPE,
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text=True,
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)
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# we only care about failures
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stdout, stderr = p.communicate()
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if p.returncode:
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print(stderr)
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return p
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# (re-)build once before serving
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nix_build().wait()
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server.watch("source/*", nix_build)
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server.watch("source/**/*", nix_build)
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server.serve(root="result")
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'';
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in
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pkgs.writeShellApplication {
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name = "devmode";
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runtimeInputs = [ pythonEnvironment ];
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text = ''
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python ${pkgs.writeText "live.py" script}
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'';
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};
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update-nix-releases = pkgs.callPackage ./nix/update-nix-releases.nix { };
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in
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{
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# build with `nix-build -A build`
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build = nix-dev;
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inherit lib nix-releases inputs;
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shell = pkgs.mkShell {
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inputsFrom = [ nix-dev ];
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packages = [
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devmode
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update-nix-releases
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pkgs.niv
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pkgs.python310.pkgs.black
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pkgs.vale
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];
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};
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}
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