mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-27 08:01:14 +00:00
29 lines
823 B
Nix
29 lines
823 B
Nix
# Fetches a chicken egg from henrietta using `chicken-install -r'
|
|
# See: http://wiki.call-cc.org/chicken-projects/egg-index-4.html
|
|
|
|
{ stdenv, chicken }:
|
|
{ name, version, md5 ? "", sha256 ? "" }:
|
|
|
|
stdenv.mkDerivation {
|
|
name = "chicken-${name}-export";
|
|
builder = ./builder.sh;
|
|
buildInputs = [ chicken ];
|
|
|
|
outputHashAlgo = if sha256 == "" then "md5" else "sha256";
|
|
outputHashMode = "recursive";
|
|
outputHash = if sha256 == "" then md5 else sha256;
|
|
|
|
inherit version;
|
|
|
|
eggName = name;
|
|
|
|
impureEnvVars = [
|
|
# 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.
|
|
"http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"
|
|
];
|
|
}
|
|
|