blob: b01ae72a2089d28d2abc04af29521e3d43b448dc (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
{ lib, stdenv, fetchzip }@args:
let lib' = lib; in
let lib = import ../extra-lib.nix {lib = lib';}; in
with builtins; with lib;
let
default-fetcher = {domain ? "github.com", owner ? "", repo, rev, name ? "source", sha256 ? null, ...}@args:
let ext = if args?sha256 then "zip" else "tar.gz";
fmt = if args?sha256 then "zip" else "tarball";
pr = match "^#(.*)$" rev;
url = switch-if [
{ cond = isNull pr && !isNull (match "^github.*" domain);
out = "https://${domain}/${owner}/${repo}/archive/${rev}.${ext}"; }
{ cond = !isNull pr && !isNull (match "^github.*" domain);
out = "https://api.${domain}/repos/${owner}/${repo}/${fmt}/pull/${head pr}/head"; }
{ cond = isNull pr && !isNull (match "^gitlab.*" domain);
out = "https://${domain}/${owner}/${repo}/-/archive/${rev}/${repo}-${rev}.${ext}"; }
{ cond = !isNull (match "(www.)?mpi-sws.org" domain);
out = "https://www.mpi-sws.org/~${owner}/${repo}/download/${repo}-${rev}.${ext}";}
] (throw "meta-fetch: no fetcher found for domain ${domain} on ${rev}");
fetch = x: if args?sha256 then fetchzip (x // { inherit sha256; }) else fetchTarball x;
in fetch { inherit url ; };
in
{
fetcher ? default-fetcher,
location,
release ? {},
releaseRev ? (v: v),
}:
let isVersion = x: isString x && match "^/.*" x == null && release?${x};
shortVersion = x: if (isString x && match "^/.*" x == null)
then findFirst (v: versions.majorMinor v == x) null
(sort versionAtLeast (attrNames release))
else null;
isShortVersion = x: shortVersion x != null;
isPathString = x: isString x && match "^/.*" x != null && pathExists x; in
arg:
switch arg [
{ case = isNull; out = { version = "broken"; src = ""; broken = true; }; }
{ case = isPathString; out = { version = "dev"; src = arg; }; }
{ case = pred.union isVersion isShortVersion;
out = let v = if isVersion arg then arg else shortVersion arg; in
if !release.${v}?sha256 then throw "meta-fetch: a sha256 must be provided for each release"
else {
version = release.${v}.version or v;
src = release.${v}.src or fetcher (location // { rev = releaseRev v; } // release.${v});
};
}
{ case = isString;
out = let
splitted = filter isString (split ":" arg);
rev = last splitted;
has-owner = length splitted > 1;
version = "dev"; in {
inherit version;
src = fetcher (location // { inherit rev; } //
(optionalAttrs has-owner { owner = head splitted; }));
}; }
{ case = isAttrs;
out = let
{ version = arg.version or "dev";
src = (arg.fetcher or fetcher) (location // (arg.location or {}));
}; }
{ case = isPath;
out = {
version = "dev" ;
src = builtins.path {path = arg; name = location.name or "source";}; }; }
] (throw "not a valid source description")
|