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|
{
lib,
stdenvNoCC,
fetchurl,
packwiz-installer-bootstrap,
packwiz-installer,
jre_headless,
jq,
moreutils,
curl,
cacert,
}: let
fetchPackwizModpack = {
pname ? "packwiz-pack",
version ? "",
url ? null,
hash ? "",
# Either 'server' or 'both' (to get client mods as well)
side ? "server",
# The derivation passes through a 'manifest' expression, that includes
# useful metadata (such as MC version). When providing the manifest file itself,
# this metadata can be used to automatically assign 'pname' and 'version'
#
# By default, if you access the 'manifest' expression, IFD will be used.
# If you want to use 'manifest' without IFD or a manifest file, you can
# also pass a manifestHash, which allows us to fetch it with
# builtins.fetchurl instead.
manifest ? null,
manifestHash ? null,
useManifest ? manifest != null,
...
} @ args:
assert lib.assertMsg (url == null -> manifest != null) "a url or manifest must be provided!";
stdenvNoCC.mkDerivation (finalAttrs:
{
pname =
if useManifest
then finalAttrs.passthru.manifest.name
else pname;
version =
if useManifest
then finalAttrs.passthru.manifest.version
else version;
dontUnpack = true;
buildInputs = [jre_headless jq moreutils curl cacert];
buildPhase = ''
${lib.optionalString (!useManifest) "curl -L \"${url}\" > pack.toml"}
java -jar ${packwiz-installer-bootstrap} \
--bootstrap-main-jar ${packwiz-installer} \
--bootstrap-no-update \
--no-gui \
--side ${side} \
"${
if useManifest
then manifest
else url
}"
'';
installPhase = ''
runHook preInstall
# Fix non-determinism
rm env-vars -r
jq -Sc '.' packwiz.json | sponge packwiz.json
mkdir -p $out
cp * -r $out/
runHook postInstall
'';
passthru = let
drv = fetchPackwizModpack args;
in {
# Pack manifest as a nix expression
# If manifestHash is not null or the manifest is directly provided,
# then we can do this without IFD.
# Otherwise, fallback to IFD.
manifest = lib.importTOML (
if manifestHash != null
then
builtins.fetchurl
{
inherit url;
sha256 = manifestHash;
}
else if useManifest
then manifest
else "${drv}/pack.toml"
);
# Adds an attribute set of files to the derivation.
# Useful to add server-specific mods not part of the pack.
addFiles = files:
stdenvNoCC.mkDerivation {
inherit (drv) pname version;
src = null;
dontUnpack = true;
dontConfig = true;
dontBuild = true;
dontFixup = true;
installPhase =
''
cp -as "${drv}" $out
chmod u+w -R $out
''
+ lib.concatLines (
lib.mapAttrsToList
(name: file: ''
mkdir -p "$out/$(dirname "${name}")"
cp -as "${file}" "$out/${name}"
'')
files
);
passthru = {inherit (drv) manifest;};
meta = drv.meta or {};
};
};
dontFixup = true;
outputHashMode = "recursive";
outputHashAlgo = "sha256";
outputHash = hash;
}
// args);
in
fetchPackwizModpack
|