nixpkgs/pkgs/build-support/fetchegg/default.nix
Profpatsch 61462c94e6 lib/fetchers.nix: factor out impure proxy vars (#18702)
Apparently everyone just copied those variables, instead of creating a
library constant for them. Some even removed the comment. -.-
2016-09-17 21:50:01 +02:00

22 lines
556 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 = stdenv.lib.fetchers.proxyImpureEnvVars;
}