nixpkgs-suyu/pkgs/development/compilers/chicken/5/fetchegg/default.nix
2018-12-26 22:23:01 -04:00

25 lines
602 B
Nix

# Fetches a chicken egg from henrietta using `chicken-install -r'
# See: http://wiki.call-cc.org/chicken-projects/egg-index-5.html
{ stdenvNoCC, chicken }:
{ name, version, md5 ? "", sha256 ? "" }:
if md5 != "" then
throw "fetchegg does not support md5 anymore, please use sha256"
else
stdenvNoCC.mkDerivation {
name = "chicken-${name}-export";
builder = ./builder.sh;
nativeBuildInputs = [ chicken ];
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = sha256;
inherit version;
eggName = name;
impureEnvVars = stdenvNoCC.lib.fetchers.proxyImpureEnvVars;
}