depot/third_party/nixpkgs/pkgs/build-support/build-nim-package.nix

136 lines
3.9 KiB
Nix

{ lib
, buildPackages
, callPackage
, stdenv
, nim1
, nim2
, nim_builder
, defaultNimVersion ? 2
, nimOverrides
, buildNimPackage
}:
let
baseAttrs = {
strictDeps = true;
enableParallelBuilding = true;
doCheck = true;
configurePhase = ''
runHook preConfigure
export NIX_NIM_BUILD_INPUTS=''${pkgsHostTarget[@]} $NIX_NIM_BUILD_INPUTS
nim_builder --phase:configure
runHook postConfigure
'';
buildPhase = ''
runHook preBuild
nim_builder --phase:build
runHook postBuild
'';
checkPhase = ''
runHook preCheck
nim_builder --phase:check
runHook postCheck
'';
installPhase = ''
runHook preInstall
nim_builder --phase:install
runHook postInstall
'';
meta = { inherit (nim2.meta) maintainers platforms; };
};
fodFromLockEntry =
let
methods = {
fetchzip = { url, sha256, ... }:
buildPackages.fetchzip {
name = "source";
inherit url sha256;
};
git = { fetchSubmodules, leaveDotGit, rev, sha256, url, ... }:
buildPackages.fetchgit {
inherit fetchSubmodules leaveDotGit rev sha256 url;
};
};
in
attrs@{ method, ... }:
let fod = methods.${method} attrs;
in ''--path:"${fod.outPath}/${attrs.srcDir}"'';
asFunc = x: if builtins.isFunction x then x else (_: x);
in
buildNimPackageArgs:
let
composition = finalAttrs:
let
postPkg = baseAttrs
// (asFunc ((asFunc buildNimPackageArgs) finalAttrs)) baseAttrs;
lockAttrs =
lib.attrsets.optionalAttrs (builtins.hasAttr "lockFile" postPkg)
(builtins.fromJSON (builtins.readFile postPkg.lockFile));
lockDepends = lockAttrs.depends or [ ];
lockFileNimFlags = map fodFromLockEntry lockDepends;
postNimOverrides = builtins.foldl' (
prevAttrs:
{ packages, ... }@lockAttrs:
builtins.foldl' (
prevAttrs: name:
if (builtins.hasAttr name nimOverrides) then
(prevAttrs // (nimOverrides.${name} lockAttrs prevAttrs))
else
prevAttrs
) prevAttrs packages
) postPkg lockDepends;
finalOverride =
{ depsBuildBuild ? [ ]
, nativeBuildInputs ? [ ]
, nimFlags ? [ ]
, requiredNimVersion ? defaultNimVersion
, passthru ? { }
, ...
}:
(if requiredNimVersion == 1 then {
depsBuildBuild = [ nim_builder ] ++ depsBuildBuild;
nativeBuildInputs = [ nim1 ] ++ nativeBuildInputs;
} else if requiredNimVersion == 2 then {
depsBuildBuild = [ nim_builder ] ++ depsBuildBuild;
nativeBuildInputs = [ nim2 ] ++ nativeBuildInputs;
} else
throw
"requiredNimVersion ${toString requiredNimVersion} is not valid") // {
nimFlags = lockFileNimFlags ++ nimFlags;
passthru = passthru // {
# allow overriding the result of buildNimPackageArgs before this composition is applied
# this allows overriding the lockFile for packages built using buildNimPackage
# this is adapted from mkDerivationExtensible in stdenv.mkDerivation
overrideNimAttrs = f0:
let
f = self: super:
let x = f0 super;
in
if builtins.isFunction x
then f0 self super
else x;
in
buildNimPackage
(self:
let super = (asFunc ((asFunc buildNimPackageArgs) self)) baseAttrs;
in
super // (if builtins.isFunction f0 || f0?__functor then f self super else f0));
};
};
attrs = postNimOverrides // finalOverride postNimOverrides;
in
lib.trivial.warnIf (builtins.hasAttr "nimBinOnly" attrs)
"the nimBinOnly attribute is deprecated for buildNimPackage"
attrs;
in
stdenv.mkDerivation composition