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sinavir 2023-07-22 22:17:25 +02:00 committed by Gitea
parent 4f72214717
commit 4143cb84c2
8 changed files with 70 additions and 233 deletions
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1
.gitignore vendored
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node_modules
public/build
result
.direnv

11
default.nix
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{ pkgs ? import ./nix {} }:
{ pkgs ? import (import ./npins).nixpkgs {} }:
{
production = pkgs.npmlock2nix.build {
production = pkgs.buildNpmPackage {
name = "metis";
src = ./.;
installPhase = "cp -r public/build $out";
buildCommands = [ "npm run build" ];
npmDepsHash = "sha256-RbjWNVY8KlPP9ajQRnrsWhOZiiyyMGQSY39lmZnTC1I=";
installPhase = ''
cp -r public $out
'';
};
shell = import ./shell.nix { inherit pkgs; };
}

12
nix/default.nix
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# nix/default.nix
{ pkgs ? import <nixpkgs> {} }:
let
sources = import ./sources.nix;
in
import sources.nixpkgs {
overlays = [
(self: super: {
npmlock2nix = pkgs.callPackage sources.npmlock2nix { };
})
];
}

38
nix/sources.json
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{
"niv": {
"branch": "master",
"description": "Easy dependency management for Nix projects",
"homepage": "https://github.com/nmattia/niv",
"owner": "nmattia",
"repo": "niv",
"rev": "5830a4dd348d77e39a0f3c4c762ff2663b602d4c",
"sha256": "1d3lsrqvci4qz2hwjrcnd8h5vfkg8aypq3sjd4g3izbc8frwz5sm",
"type": "tarball",
"url": "https://github.com/nmattia/niv/archive/5830a4dd348d77e39a0f3c4c762ff2663b602d4c.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"nixpkgs": {
"branch": "master",
"description": "Nix Packages collection",
"homepage": "",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "21.05",
"sha256": "1ckzhh24mgz6jd1xhfgx0i9mijk6xjqxwsshnvq789xsavrmsc36",
"type": "tarball",
"url": "https://github.com/nixos/nixpkgs/archive/21.05.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"npmlock2nix": {
"branch": "master",
"description": null,
"homepage": null,
"owner": "nix-community",
"repo": "npmlock2nix",
"rev": "ff17a3c59233911f776d8d462d61d82a3e41df34",
"sha256": "0l624gkkpn1r0g48b204k0wcqm9cwy5rzd5mnxwfjhyjj1wg4nl7",
"type": "tarball",
"url": "https://github.com/nix-community/npmlock2nix/archive/ff17a3c59233911f776d8d462d61d82a3e41df34.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
}
}

174
nix/sources.nix
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# This file has been generated by Niv.
let
#
# The fetchers. fetch_<type> fetches specs of type <type>.
#
fetch_file = pkgs: name: spec:
let
name' = sanitizeName name + "-src";
in
if spec.builtin or true then
builtins_fetchurl { inherit (spec) url sha256; name = name'; }
else
pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
fetch_tarball = pkgs: name: spec:
let
name' = sanitizeName name + "-src";
in
if spec.builtin or true then
builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
else
pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
fetch_git = name: spec:
let
ref =
if spec ? ref then spec.ref else
if spec ? branch then "refs/heads/${spec.branch}" else
if spec ? tag then "refs/tags/${spec.tag}" else
abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
in
builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; };
fetch_local = spec: spec.path;
fetch_builtin-tarball = name: throw
''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
$ niv modify ${name} -a type=tarball -a builtin=true'';
fetch_builtin-url = name: throw
''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
$ niv modify ${name} -a type=file -a builtin=true'';
#
# Various helpers
#
# https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
sanitizeName = name:
(
concatMapStrings (s: if builtins.isList s then "-" else s)
(
builtins.split "[^[:alnum:]+._?=-]+"
((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
)
);
# The set of packages used when specs are fetched using non-builtins.
mkPkgs = sources: system:
let
sourcesNixpkgs =
import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
hasThisAsNixpkgsPath = <nixpkgs> == ./.;
in
if builtins.hasAttr "nixpkgs" sources
then sourcesNixpkgs
else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
import <nixpkgs> {}
else
abort
''
Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
add a package called "nixpkgs" to your sources.json.
'';
# The actual fetching function.
fetch = pkgs: name: spec:
if ! builtins.hasAttr "type" spec then
abort "ERROR: niv spec ${name} does not have a 'type' attribute"
else if spec.type == "file" then fetch_file pkgs name spec
else if spec.type == "tarball" then fetch_tarball pkgs name spec
else if spec.type == "git" then fetch_git name spec
else if spec.type == "local" then fetch_local spec
else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
else if spec.type == "builtin-url" then fetch_builtin-url name
else
abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
# If the environment variable NIV_OVERRIDE_${name} is set, then use
# the path directly as opposed to the fetched source.
replace = name: drv:
let
saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
in
if ersatz == "" then drv else
# this turns the string into an actual Nix path (for both absolute and
# relative paths)
if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
# Ports of functions for older nix versions
# a Nix version of mapAttrs if the built-in doesn't exist
mapAttrs = builtins.mapAttrs or (
f: set: with builtins;
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
);
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
# https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
concatMapStrings = f: list: concatStrings (map f list);
concatStrings = builtins.concatStringsSep "";
# https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
optionalAttrs = cond: as: if cond then as else {};
# fetchTarball version that is compatible between all the versions of Nix
builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
let
inherit (builtins) lessThan nixVersion fetchTarball;
in
if lessThan nixVersion "1.12" then
fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else
fetchTarball attrs;
# fetchurl version that is compatible between all the versions of Nix
builtins_fetchurl = { url, name ? null, sha256 }@attrs:
let
inherit (builtins) lessThan nixVersion fetchurl;
in
if lessThan nixVersion "1.12" then
fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
else
fetchurl attrs;
# Create the final "sources" from the config
mkSources = config:
mapAttrs (
name: spec:
if builtins.hasAttr "outPath" spec
then abort
"The values in sources.json should not have an 'outPath' attribute"
else
spec // { outPath = replace name (fetch config.pkgs name spec); }
) config.sources;
# The "config" used by the fetchers
mkConfig =
{ sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
, sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
, system ? builtins.currentSystem
, pkgs ? mkPkgs sources system
}: rec {
# The sources, i.e. the attribute set of spec name to spec
inherit sources;
# The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
inherit pkgs;
};
in
mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }

47
npins/default.nix Normal file
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# Generated by npins. Do not modify; will be overwritten regularly
let
data = builtins.fromJSON (builtins.readFile ./sources.json);
version = data.version;
mkSource = spec:
assert spec ? type; let
path =
if spec.type == "Git" then mkGitSource spec
else if spec.type == "GitRelease" then mkGitSource spec
else if spec.type == "PyPi" then mkPyPiSource spec
else if spec.type == "Channel" then mkChannelSource spec
else builtins.throw "Unknown source type ${spec.type}";
in
spec // { outPath = path; };
mkGitSource = { repository, revision, url ? null, hash, ... }:
assert repository ? type;
# At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository
# In the latter case, there we will always be an url to the tarball
if url != null then
(builtins.fetchTarball {
inherit url;
sha256 = hash; # FIXME: check nix version & use SRI hashes
})
else assert repository.type == "Git"; builtins.fetchGit {
url = repository.url;
rev = revision;
# hash = hash;
};
mkPyPiSource = { url, hash, ... }:
builtins.fetchurl {
inherit url;
sha256 = hash;
};
mkChannelSource = { url, hash, ... }:
builtins.fetchTarball {
inherit url;
sha256 = hash;
};
in
if version == 3 then
builtins.mapAttrs (_: mkSource) data.pins
else
throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`"

11
npins/sources.json Normal file
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{
"pins": {
"nixpkgs": {
"type": "Channel",
"name": "nixpkgs-unstable",
"url": "https://releases.nixos.org/nixpkgs/nixpkgs-23.11pre506449.f465da16626/nixexprs.tar.xz",
"hash": "14jsw1gv83qjz82384gfhn78sv9m14i1bs5l97xrab26vyi9b5ay"
}
},
"version": 3
}

7
shell.nix
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{ pkgs ? import ./nix { } }:
pkgs.npmlock2nix.shell {
src = ./.;
nodejs = pkgs.nodejs-14_x;
{ pkgs ? import (import ./npins).nixpkgs {} }:
pkgs.mkShell {
packages = [ pkgs.nodejs ];
}