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|
{
lib,
stdenv,
fetchgit,
fetchzip,
runCommand,
lndir,
nim,
nimOverrides,
}:
let
fetchers = {
fetchzip =
{ url, sha256, ... }:
fetchzip {
name = "source";
inherit url sha256;
};
fetchgit =
{
fetchSubmodules ? false,
leaveDotGit ? false,
rev,
sha256,
url,
...
}:
fetchgit {
inherit
fetchSubmodules
leaveDotGit
rev
sha256
url
;
};
};
filterPropertiesToAttrs =
prefix: properties:
lib.pipe properties [
(builtins.filter ({ name, ... }: (lib.strings.hasPrefix prefix name)))
(map (
{ name, value }:
{
name = lib.strings.removePrefix prefix name;
inherit value;
}
))
builtins.listToAttrs
];
buildNimCfg =
{ backend, components, ... }:
let
componentSrcDirs = map (
{ properties, ... }:
let
fodProps = filterPropertiesToAttrs "nix:fod:" properties;
fod = fetchers.${fodProps.method} fodProps;
srcDir = fodProps.srcDir or "";
in
if srcDir == "" then fod else "${fod}/${srcDir}"
) components;
in
runCommand "nim.cfg"
{
outputs = [
"out"
"src"
];
nativeBuildInputs = [ lndir ];
}
''
cat << EOF >> $out
backend:${backend}
path:"$src"
EOF
mkdir -p "$src"
${lib.strings.concatMapStrings (d: ''
lndir "${d}" "$src"
'') componentSrcDirs}
'';
buildCommands = lib.attrsets.mapAttrsToList (
output: input: ''
nim compile $nimFlags --out:${output} ${input}
''
);
installCommands = lib.attrsets.mapAttrsToList (
output: input: ''
install -Dt $out/bin ${output}
''
);
applySbom =
sbom:
{
nimFlags ? [ ],
nimRelease ? true,
passthru ? { },
...
}@prevAttrs:
let
properties = # SBOM metadata.component.properties as an attrset.
lib.attrsets.recursiveUpdate (builtins.listToAttrs sbom.metadata.component.properties)
passthru.properties or { };
nimBin = # A mapping of Nim module file paths to names of programs.
lib.attrsets.recursiveUpdate (lib.pipe properties [
(lib.attrsets.filterAttrs (name: value: lib.strings.hasPrefix "nim:bin:" name))
(lib.attrsets.mapAttrs' (
name: value: {
name = lib.strings.removePrefix "nim:bin:" name;
value = "${properties."nim:binDir" or (properties."nim:srcDir" or ".")}/${value}";
}
))
]) passthru.nimBin or { };
in
{
strictDeps = true;
pname = prevAttrs.pname or sbom.metadata.component.name;
version = prevAttrs.version or sbom.metadata.component.version or null;
nimFlags =
nimFlags
++ (lib.optional nimRelease "-d:release")
++ (
let
srcDir = properties."nim:srcDir" or "";
in
lib.optional (srcDir != "") "--path:${srcDir}"
);
configurePhase =
prevAttrs.configurePhase or ''
runHook preConfigure
echo "nim.cfg << $nimCfg"
cat $nimCfg >> nim.cfg
cat << EOF >> nim.cfg
nimcache:"$NIX_BUILD_TOP/nimcache"
parallelBuild:$NIX_BUILD_CORES
EOF
runHook postConfigure
'';
buildPhase =
prevAttrs.buildPhase or ''
runHook preBuild
${lib.strings.concatLines (buildCommands nimBin)}
runHook postBuild
'';
installPhase =
prevAttrs.installPhase or ''
runHook preInstall
${lib.strings.concatLines (installCommands nimBin)}
runHook postInstall
'';
nativeBuildInputs = (prevAttrs.nativeBuildInputs or [ ]) ++ [ nim ];
nimCfg =
prevAttrs.nimCfg or (buildNimCfg {
backend = prevAttrs.nimBackend or properties."nim:backend" or "c";
inherit (sbom) components;
});
passthru = passthru // {
inherit sbom properties nimBin;
};
};
applyOverrides =
prevAttrs:
builtins.foldl' (
prevAttrs:
{ name, ... }@component:
if (builtins.hasAttr name nimOverrides) then
let
result = nimOverrides.${name} component prevAttrs;
in
prevAttrs // (if builtins.isAttrs result then result else result { })
else
prevAttrs
) prevAttrs prevAttrs.passthru.sbom.components;
compose =
callerArg: sbom: finalAttrs:
let
callerAttrs = if builtins.isAttrs callerArg then callerArg else callerArg finalAttrs;
sbomAttrs = callerAttrs // (applySbom sbom callerAttrs);
overrideAttrs = sbomAttrs // (applyOverrides sbomAttrs);
in
overrideAttrs;
in
callerArg: sbomArg:
let
sbom = if builtins.isAttrs sbomArg then sbomArg else builtins.fromJSON (builtins.readFile sbomArg);
overrideSbom = f: stdenv.mkDerivation (compose callerArg (sbom // (f sbom)));
in
(stdenv.mkDerivation (compose callerArg sbom)) // { inherit overrideSbom; }
|
