nix: Switch to nix-flakes.

This commit is contained in:
Sarah 2021-10-29 14:29:52 +02:00
parent e039b5f508
commit 2886c88379
No known key found for this signature in database
GPG key ID: 708F7ACE058F0186
6 changed files with 188 additions and 268 deletions

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@ -1,23 +1,9 @@
let (import (
sources = import ./nix/sources.nix {}; let
in lock = builtins.fromJSON (builtins.readFile ./flake.lock);
{ pkgs ? import sources.nixpkgs {}, in fetchTarball {
lib ? pkgs.lib, url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
... sha256 = lock.nodes.flake-compat.locked.narHash; }
}: ) {
let src = ./.;
mach-nix = import sources.mach-nix { }).defaultNix
inherit pkgs;
};
in
mach-nix.buildPythonApplication {
name = "peerix";
python = "python39";
src = lib.cleanSource ./.;
version = builtins.readFile ./VERSION;
requirements = builtins.readFile ./requirements.txt;
propagatedBuildInputs = with pkgs; [
nix
nix-serve
];
}

127
flake.lock Normal file
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@ -0,0 +1,127 @@
{
"nodes": {
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1627913399,
"narHash": "sha256-hY8g6H2KFL8ownSiFeMOjwPC8P0ueXpCVEbxgda3pko=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "12c64ca55c1014cdc1b16ed5a804aa8576601ff2",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"locked": {
"lastModified": 1634851050,
"narHash": "sha256-N83GlSGPJJdcqhUxSCS/WwW5pksYf3VP1M13cDRTSVA=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "c91f3de5adaf1de973b797ef7485e441a65b8935",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"flake-utils_2": {
"locked": {
"lastModified": 1601282935,
"narHash": "sha256-WQAFV6sGGQxrRs3a+/Yj9xUYvhTpukQJIcMbIi7LCJ4=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "588973065fce51f4763287f0fda87a174d78bf48",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"mach-nix": {
"inputs": {
"flake-utils": "flake-utils_2",
"nixpkgs": "nixpkgs",
"pypi-deps-db": "pypi-deps-db"
},
"locked": {
"lastModified": 1635348539,
"narHash": "sha256-SXrwF/KPz8McBN8kN+HTfGphE1hiRSr1mtXSVjPJr8o=",
"owner": "DavHau",
"repo": "mach-nix",
"rev": "98d001727542bb6142d0ab554fc30bd591b07c73",
"type": "github"
},
"original": {
"owner": "DavHau",
"repo": "mach-nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1622797669,
"narHash": "sha256-xIyWeoYExzF0KNaKcqfxEX58fN4JTIQxTJWbsAujllc=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "1ca6b0a0cc38dbba0441202535c92841dd39d1ae",
"type": "github"
},
"original": {
"id": "nixpkgs",
"ref": "nixos-unstable",
"type": "indirect"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1635336330,
"narHash": "sha256-EPrCZTmuOEY1KLjUCu7rXCBxNemggIFJMDdfEqXQKGo=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "51acb65b302551ac7993b437cc6863fe9fa8ae50",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"pypi-deps-db": {
"flake": false,
"locked": {
"lastModified": 1622970040,
"narHash": "sha256-u//RFnae/XMIhoy83G2uH2Qu/1LiUhVCdwwY1xj4Ufs=",
"owner": "DavHau",
"repo": "pypi-deps-db",
"rev": "be6591698c67a86a69c81fef72167e38d038a9fc",
"type": "github"
},
"original": {
"owner": "DavHau",
"repo": "pypi-deps-db",
"type": "github"
}
},
"root": {
"inputs": {
"flake-compat": "flake-compat",
"flake-utils": "flake-utils",
"mach-nix": "mach-nix",
"nixpkgs": "nixpkgs_2"
}
}
},
"root": "root",
"version": 7
}

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@ -1,7 +1,48 @@
{ {
description = "Peer2Peer Nix-Binary-Cache"; description = "Peer2Peer Nix-Binary-Cache";
outputs = { self }: { inputs = {
nixosModules.peerix = import ./module.nix; nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
}; };
flake-utils.url = "github:numtide/flake-utils";
mach-nix.url = "github:DavHau/mach-nix";
};
outputs = { self, nixpkgs, flake-utils, mach-nix, ... }: {
nixosModules.peerix = import ./module.nix;
} // flake-utils.lib.eachDefaultSystem (system:
let pkgs = nixpkgs.legacyPackages.${system}; in {
packages.peerix = mach-nix.lib.${system}.buildPythonApplication {
name = "peerix";
python = "python39";
src = ./.;
version = builtins.readFile ./VERSION;
requirements = builtins.readFile ./requirements.txt;
propagatedBuildInputs = with pkgs; [
nix
nix-serve
];
};
defaultPackage = self.packages.${system}.peerix;
devShell = pkgs.mkShell {
buildInputs = with pkgs; [
nix-serve
niv
(mach-nix.lib.${system}.mkPython {
python = "python39";
requirements = ''
${builtins.readFile ./requirements.txt}
ipython
'';
})
];
};
defaultApp = { type = "app"; program = "${self.packages.${system}.peerix}/bin/peerix"; };
});
} }

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@ -1,50 +0,0 @@
{
"libnixstore-c": {
"branch": "master",
"description": "a brutal attempt at making C bindings for Nix",
"homepage": null,
"owner": "andir",
"repo": "libnixstore-c",
"rev": "7e680c54ad0bdc38a4f6a6a51e4d6427d8942bb3",
"sha256": "1a8nxcpp93hly410ni77q1zw5097dpvkszw3h6l5cr25wnb31ngq",
"type": "tarball",
"url": "https://github.com/andir/libnixstore-c/archive/7e680c54ad0bdc38a4f6a6a51e4d6427d8942bb3.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"mach-nix": {
"branch": "master",
"description": "Create highly reproducible python environments",
"homepage": "",
"owner": "DavHau",
"repo": "mach-nix",
"rev": "b56a541af15efd2062ffb9abb69f63dcceafb64d",
"sha256": "0zdifqdq478q938wm3pwdph8xv9ksk9qvf6s3kckchyzw18x28k0",
"type": "tarball",
"url": "https://github.com/DavHau/mach-nix/archive/b56a541af15efd2062ffb9abb69f63dcceafb64d.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"niv": {
"branch": "master",
"description": "Easy dependency management for Nix projects",
"homepage": "https://github.com/nmattia/niv",
"owner": "nmattia",
"repo": "niv",
"rev": "65a61b147f307d24bfd0a5cd56ce7d7b7cc61d2e",
"sha256": "17mirpsx5wyw262fpsd6n6m47jcgw8k2bwcp1iwdnrlzy4dhcgqh",
"type": "tarball",
"url": "https://github.com/nmattia/niv/archive/65a61b147f307d24bfd0a5cd56ce7d7b7cc61d2e.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
},
"nixpkgs": {
"branch": "nixos-unstable",
"description": "Nix Packages collection",
"homepage": "",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "2cf9db0e3d45b9d00f16f2836cb1297bcadc475e",
"sha256": "0sij1a5hlbigwcgx10dkw6mdbjva40wzz4scn0wchv7yyi9ph48l",
"type": "tarball",
"url": "https://github.com/NixOS/nixpkgs/archive/2cf9db0e3d45b9d00f16f2836cb1297bcadc475e.tar.gz",
"url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
}
}

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@ -1,174 +0,0 @@
# 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); }

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@ -1,19 +1,9 @@
let (import (
sources = import ./nix/sources.nix {}; let
in lock = builtins.fromJSON (builtins.readFile ./flake.lock);
{ pkgs ? import sources.nixpkgs {} }: in fetchTarball {
let url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
mach-nix = import sources.mach-nix { sha256 = lock.nodes.flake-compat.locked.narHash; }
inherit pkgs; ) {
}; src = ./.;
in }).shellNix
pkgs.mkShell {
buildInputs = with pkgs; [
nix-serve
niv
(mach-nix.mkPython {
python = "python39";
requirements = (builtins.readFile ./requirements.txt) + "\nipython";
})
];
}