/
coursier.nix
48 lines (39 loc) · 1.21 KB
/
coursier.nix
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{ stdenv, coursier, jre, makeWrapper }:
let
coursier-fetch = { pname, version, artifact, sha256 }:
stdenv.mkDerivation {
inherit pname version;
dontUnpack = true;
buildInputs = [ coursier jre ];
COURSIER_CACHE = ".nix/COURSIER_CACHE";
buildCommand = ''
cs fetch ${artifact}:${version} > deps
mkdir -p $out/share/java
cp $(< deps) $out/share/java/
'';
outputHashMode = "recursive";
outputHashAlgo = "sha256";
outputHash = sha256;
};
make-runnable = { mainClass, launcher, alias ? launcher.pname, buildInputs ? [ ], ... }@args':
let
argsBuildInputs = buildInputs;
extraArgs = builtins.removeAttrs args' [ "alias" "mainClass" "buildInputs" ];
baseArgs = {
inherit (launcher) pname version;
buildInputs = [ launcher jre ] ++ argsBuildInputs;
nativeBuildInputs = [ makeWrapper ];
buildCommand = ''
makeWrapper ${jre}/bin/java $out/bin/${alias} \
--add-flags "-cp $CLASSPATH ${mainClass}"
runHook postInstall
'';
};
in
stdenv.mkDerivation (baseArgs // extraArgs);
in
{
coursier-tools = {
inherit coursier-fetch make-runnable;
};
}