@@ -1,134 +0,0 @@
1−# This file has been generated by Niv.
2−
3−let
4−
5− #
6− # The fetchers. fetch_<type> fetches specs of type <type>.
7− #
8−
9− fetch_file = pkgs: spec:
10− if spec.builtin or true then
11− builtins_fetchurl { inherit (spec) url sha256; }
12− else
13− pkgs.fetchurl { inherit (spec) url sha256; };
14−
15− fetch_tarball = pkgs: spec:
16− if spec.builtin or true then
17− builtins_fetchTarball { inherit (spec) url sha256; }
18− else
19− pkgs.fetchzip { inherit (spec) url sha256; };
20−
21− fetch_git = spec:
22− builtins.fetchGit { url = spec.repo; inherit (spec) rev ref; };
23−
24− fetch_builtin-tarball = spec:
25− builtins.trace
26− ''
27− WARNING:
28− The niv type "builtin-tarball" will soon be deprecated. You should
29− instead use `builtin = true`.
30−
31− $ niv modify <package> -a type=tarball -a builtin=true
32− ''
33− builtins_fetchTarball { inherit (spec) url sha256; };
34−
35− fetch_builtin-url = spec:
36− builtins.trace
37− ''
38− WARNING:
39− The niv type "builtin-url" will soon be deprecated. You should
40− instead use `builtin = true`.
41−
42− $ niv modify <package> -a type=file -a builtin=true
43− ''
44− (builtins_fetchurl { inherit (spec) url sha256; });
45−
46− #
47− # Various helpers
48− #
49−
50− # The set of packages used when specs are fetched using non-builtins.
51− mkPkgs = sources:
52− let
53− sourcesNixpkgs =
54− import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) {};
55− hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
56− hasThisAsNixpkgsPath = <nixpkgs> == ./.;
57− in
58− if builtins.hasAttr "nixpkgs" sources
59− then sourcesNixpkgs
60− else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
61− import <nixpkgs> {}
62− else
63− abort
64− ''
65− Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
66− add a package called "nixpkgs" to your sources.json.
67− '';
68−
69− # The actual fetching function.
70− fetch = pkgs: name: spec:
71−
72− if ! builtins.hasAttr "type" spec then
73− abort "ERROR: niv spec ${name} does not have a 'type' attribute"
74− else if spec.type == "file" then fetch_file pkgs spec
75− else if spec.type == "tarball" then fetch_tarball pkgs spec
76− else if spec.type == "git" then fetch_git spec
77− else if spec.type == "builtin-tarball" then fetch_builtin-tarball spec
78− else if spec.type == "builtin-url" then fetch_builtin-url spec
79− else
80− abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
81−
82− # Ports of functions for older nix versions
83−
84− # a Nix version of mapAttrs if the built-in doesn't exist
85− mapAttrs = builtins.mapAttrs or (
86− f: set: with builtins;
87− listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
88− );
89−
90− # fetchTarball version that is compatible between all the versions of Nix
91− builtins_fetchTarball = { url, sha256 }@attrs:
92− let
93− inherit (builtins) lessThan nixVersion fetchTarball;
94− in
95− if lessThan nixVersion "1.12" then
96− fetchTarball { inherit url; }
97− else
98− fetchTarball attrs;
99−
100− # fetchurl version that is compatible between all the versions of Nix
101− builtins_fetchurl = { url, sha256 }@attrs:
102− let
103− inherit (builtins) lessThan nixVersion fetchurl;
104− in
105− if lessThan nixVersion "1.12" then
106− fetchurl { inherit url; }
107− else
108− fetchurl attrs;
109−
110− # Create the final "sources" from the config
111− mkSources = config:
112− mapAttrs (
113− name: spec:
114− if builtins.hasAttr "outPath" spec
115− then abort
116− "The values in sources.json should not have an 'outPath' attribute"
117− else
118− spec // { outPath = fetch config.pkgs name spec; }
119− ) config.sources;
120−
121− # The "config" used by the fetchers
122− mkConfig =
123− { sourcesFile ? ./sources.json
124− , sources ? builtins.fromJSON (builtins.readFile sourcesFile)
125− , pkgs ? mkPkgs sources
126− }: rec {
127− # The sources, i.e. the attribute set of spec name to spec
128− inherit sources;
129−
130− # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
131− inherit pkgs;
132− };
133−in
134−mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }