132 lines
4 KiB
Nix
132 lines
4 KiB
Nix
|
# This file has been generated by Niv.
|
||
|
|
|
||
|
|
let
|
||
|
|
|
||
|
|
#
|
||
|
|
# The fetchers. fetch_<type> fetches specs of type <type>.
|
||
|
|
#
|
||
|
|
|
||
|
|
fetch_file = pkgs: spec:
|
||
|
|
if spec.builtin or true then
|
||
|
|
builtins_fetchurl { inherit (spec) url sha256; }
|
||
|
|
else
|
||
|
|
pkgs.fetchurl { inherit (spec) url sha256; };
|
||
|
|
|
||
|
|
fetch_tarball = pkgs: spec:
|
||
|
|
pkgs.fetchzip { inherit (spec) url sha256; };
|
||
|
|
|
||
|
|
fetch_git = spec:
|
||
|
|
builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; };
|
||
|
|
|
||
|
|
fetch_builtin-tarball = spec:
|
||
|
|
builtins.trace
|
||
|
|
''
|
||
|
|
WARNING:
|
||
|
|
The niv type "builtin-tarball" will soon be deprecated. You should
|
||
|
|
instead use `builtin = true`.
|
||
|
|
|
||
|
|
$ niv modify <package> -a type=tarball -a builtin=true
|
||
|
|
''
|
||
|
|
builtins_fetchTarball { inherit (spec) url sha256; };
|
||
|
|
|
||
|
|
fetch_builtin-url = spec:
|
||
|
|
builtins.trace
|
||
|
|
''
|
||
|
|
WARNING:
|
||
|
|
The niv type "builtin-url" will soon be deprecated. You should
|
||
|
|
instead use `builtin = true`.
|
||
|
|
|
||
|
|
$ niv modify <package> -a type=file -a builtin=true
|
||
|
|
''
|
||
|
|
(builtins_fetchurl { inherit (spec) url sha256; });
|
||
|
|
|
||
|
|
#
|
||
|
|
# Various helpers
|
||
|
|
#
|
||
|
|
|
||
|
|
# The set of packages used when specs are fetched using non-builtins.
|
||
|
|
mkPkgs = sources:
|
||
|
|
let
|
||
|
|
sourcesNixpkgs =
|
||
|
|
import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) {};
|
||
|
|
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 spec
|
||
|
|
else if spec.type == "tarball" then fetch_tarball pkgs spec
|
||
|
|
else if spec.type == "git" then fetch_git spec
|
||
|
|
else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec
|
||
|
|
else if spec.type == "builtin-url" then fetch_builtin-url spec
|
||
|
|
else
|
||
|
|
abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
|
||
|
|
|
||
|
|
# Ports of functions for older nix versions
|
||
|
|
|
||
|
|
# a Nix version of mapAttrs if the built-in doesn't exist
|
||
|
|
mapAttrs = builtins.mapAttrs or (
|
||
|
|
f: set: with builtins;
|
||
|
|
listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
|
||
|
|
);
|
||
|
|
|
||
|
|
# fetchTarball version that is compatible between all the versions of Nix
|
||
|
|
builtins_fetchTarball = { url, sha256 }@attrs:
|
||
|
|
let
|
||
|
|
inherit (builtins) lessThan nixVersion fetchTarball;
|
||
|
|
in
|
||
|
|
if lessThan nixVersion "1.12" then
|
||
|
|
fetchTarball { inherit url; }
|
||
|
|
else
|
||
|
|
fetchTarball attrs;
|
||
|
|
|
||
|
|
# fetchurl version that is compatible between all the versions of Nix
|
||
|
|
builtins_fetchurl = { url, sha256 }@attrs:
|
||
|
|
let
|
||
|
|
inherit (builtins) lessThan nixVersion fetchurl;
|
||
|
|
in
|
||
|
|
if lessThan nixVersion "1.12" then
|
||
|
|
fetchurl { inherit url; }
|
||
|
|
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 = fetch config.pkgs name spec; }
|
||
|
|
) config.sources;
|
||
|
|
|
||
|
|
# The "config" used by the fetchers
|
||
|
|
mkConfig =
|
||
|
|
{ sourcesFile ? ./sources.json
|
||
|
|
, sources ? builtins.fromJSON (builtins.readFile sourcesFile)
|
||
|
|
, pkgs ? mkPkgs sources
|
||
|
|
}: 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); }
|