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
|
# Argh, this thing is duplicated (more-or-less) in Nix (in corepkgs).
# Need to find a way to combine them.
{stdenv, curl}: # Note that `curl' may be `null', in case of the native stdenv.
{ # URL to fetch.
url ? ""
, # Alternatively, a list of URLs specifying alternative download
# locations. They are tried in order.
urls ? []
, # Name of the file. If empty, use the basename of `url' (or of the
# first element of `urls').
name ? ""
# Different ways of specifying the hash.
, outputHash ? ""
, outputHashAlgo ? ""
, md5 ? ""
, sha1 ? ""
, sha256 ? ""
}:
assert urls != [] -> url == "";
assert url != "" -> urls == [];
assert (outputHash != "" && outputHashAlgo != "")
|| md5 != "" || sha1 != "" || sha256 != "";
let urls_ = if urls != [] then urls else [url]; in
stdenv.mkDerivation {
name =
if name != "" then name
else baseNameOf (toString (builtins.head urls_));
builder = ./builder.sh;
buildInputs = [curl];
urls = urls_;
# The content-addressable mirrors.
hashedMirrors = [
http://nix.cs.uu.nl/dist/tarballs
];
# Compatibility with Nix <= 0.7.
id = md5;
# New-style output content requirements.
outputHashAlgo = if outputHashAlgo != "" then outputHashAlgo else
if sha256 != "" then "sha256" else if sha1 != "" then "sha1" else "md5";
outputHash = if outputHash != "" then outputHash else
if sha256 != "" then sha256 else if sha1 != "" then sha1 else md5;
# We borrow these environment variables from the caller to allow
# easy proxy configuration. This is impure, but a fixed-output
# derivation like fetchurl is allowed to do so since its result is
# by definition pure.
impureEnvVars = ["http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"];
}
|