nixpkgs-suyu/pkgs/build-support/dotnet/make-nuget-source/default.nix
2023-02-14 19:11:59 +01:00

36 lines
1.2 KiB
Nix

{ dotnetPackages, lib, xml2, stdenvNoCC }:
{ name
, description ? ""
, deps ? []
}:
let
nuget-source = stdenvNoCC.mkDerivation rec {
inherit name;
meta.description = description;
nativeBuildInputs = [ dotnetPackages.Nuget xml2 ];
buildCommand = ''
export HOME=$(mktemp -d)
mkdir -p $out/{lib,share}
${lib.concatMapStringsSep "\n" (dep: ''
nuget init "${dep}" "$out/lib"
'') deps}
# Generates a list of all licenses' spdx ids, if available.
# Note that this currently ignores any license provided in plain text (e.g. "LICENSE.txt")
find "$out/lib" -name "*.nuspec" -exec sh -c \
"NUSPEC=\$(xml2 < {}) && echo "\$NUSPEC" | grep license/@type=expression | tr -s \ '\n' | grep "license=" | cut -d'=' -f2" \
\; | sort -u > $out/share/licenses
'';
} // { # We need data from `$out` for `meta`, so we have to use overrides as to not hit infinite recursion.
meta.licence = let
depLicenses = lib.splitString "\n" (builtins.readFile "${nuget-source}/share/licenses");
in (lib.flatten (lib.forEach depLicenses (spdx:
lib.optionals (spdx != "") (lib.getLicenseFromSpdxId spdx)
)));
};
in nuget-source