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|
{
lib,
stdenv,
fetchurl,
fetchgit,
linkFarm,
dub,
ldc,
removeReferencesTo,
}:
# See https://nixos.org/manual/nixpkgs/unstable#dlang for more detailed usage information
{
# A lockfile generated by `dub-to-nix` from the source of the package.
# Can be either a path to the file, or an attrset already parsed with `lib.importJSON`.
dubLock,
# The build type to pass to `dub build` as a value for the `--build=` flag.
dubBuildType ? "release",
# The flags to pass to `dub build` and `dub test`.
dubFlags ? [ ],
# The flags to pass to `dub build`.
dubBuildFlags ? [ ],
# The flags to pass to `dub test`.
dubTestFlags ? [ ],
# The D compiler to be used by `dub`.
compiler ? ldc,
...
}@args:
let
makeDubDep =
{
pname,
version,
sha256,
}:
{
inherit pname version;
src = fetchurl {
name = "dub-${pname}-${version}.zip";
url = "mirror://dub/${pname}/${version}.zip";
inherit sha256;
};
};
makeGitDep =
{
pname,
version,
repository,
sha256,
}:
{
inherit pname version;
src = fetchgit {
url = repository;
rev = version;
inherit sha256;
};
};
lockJson = if lib.isPath dubLock then lib.importJSON dubLock else dubLock;
depsRaw = lib.mapAttrsToList (pname: args: { inherit pname; } // args) lockJson.dependencies;
dubDeps = map makeDubDep (lib.filter (args: !(args ? repository)) depsRaw);
gitDeps = map makeGitDep (lib.filter (args: args ? repository) depsRaw);
# a directory with multiple single element registries
# one big directory with all .zip files leads to version parsing errors
# when the name of a package is a prefix of the name of another package
dubRegistryBase = linkFarm "dub-registry-base" (
map (dep: {
name = "${dep.pname}/${dep.pname}-${dep.version}.zip";
path = dep.src;
}) dubDeps
);
combinedFlags = "--skip-registry=all --compiler=${lib.getExe compiler} ${toString dubFlags}";
combinedBuildFlags = "${combinedFlags} --build=${dubBuildType} ${toString dubBuildFlags}";
combinedTestFlags = "${combinedFlags} ${toString dubTestFlags}";
in
stdenv.mkDerivation (
builtins.removeAttrs args [ "dubLock" ]
// {
strictDeps = args.strictDeps or true;
nativeBuildInputs = args.nativeBuildInputs or [ ] ++ [
dub
compiler
removeReferencesTo
];
configurePhase =
args.configurePhase or ''
runHook preConfigure
export DUB_HOME="$NIX_BUILD_TOP/.dub"
mkdir -p "$DUB_HOME"
# register dub dependencies
${lib.concatMapStringsSep "\n" (dep: ''
dub fetch ${dep.pname}@${dep.version} --cache=user --skip-registry=standard --registry=file://${dubRegistryBase}/${dep.pname}
'') dubDeps}
# register git dependencies
${lib.concatMapStringsSep "\n" (dep: ''
mkdir -p "$DUB_HOME/packages/${dep.pname}/${dep.version}"
cp -r --no-preserve=all ${dep.src} "$DUB_HOME/packages/${dep.pname}/${dep.version}/${dep.pname}"
'') gitDeps}
runHook postConfigure
'';
buildPhase =
args.buildPhase or ''
runHook preBuild
dub build ${combinedBuildFlags}
runHook postBuild
'';
doCheck = args.doCheck or false;
checkPhase =
args.checkPhase or ''
runHook preCheck
dub test ${combinedTestFlags}
runHook postCheck
'';
preFixup = ''
${args.preFixup or ""}
find "$out" -type f -exec remove-references-to -t ${compiler} '{}' +
'';
disallowedReferences = [ compiler ];
meta = {
platforms = dub.meta.platforms;
} // args.meta or { };
}
)
|
