naersk/config.nix
zimbatm 9a72012540
stylistic changes
these are not mandated by nixpkgs-fmt
2019-11-19 20:12:42 +00:00

130 lines
4.3 KiB
Nix

{ lib, libb, builtinz, arg }:
let
argIsAttrs =
if lib.isDerivation arg then false
else if lib.isString arg then false
else if builtins.typeOf arg == "path" then false
else if builtins.hasAttr "outPath" arg then false
else true;
attrs = if argIsAttrs then arg else
{ src = if builtins.typeOf arg == "path" then lib.cleanSource arg else arg; };
usePureFromTOML = attrs.usePureFromTOML or true;
readTOML = builtinz.readTOML usePureFromTOML;
# config used during build the prebuild and the final build
buildConfig = {
compressTarget = attrs.compressTarget or true;
doCheck = attrs.doCheck or true;
buildInputs = attrs.buildInputs or [];
removeReferencesToSrcFromDocs = attrs.removeReferencesToSrcFromDocs or true;
doDoc = attrs.doDoc or true;
#| Whether or not the rustdoc can fail the build
doDocFail = attrs.doDocFail or false;
release = attrs.release or true;
override = attrs.override or (x: x);
cargoBuild = attrs.cargoBuild or ''
cargo build "''${cargo_release}" -j $NIX_BUILD_CORES -Z unstable-options --out-dir out
'';
# The list of _all_ crates (incl. transitive dependencies) with name,
# version and sha256 of the crate
# Example:
# [ { name = "wabt", version = "2.0.6", sha256 = "..." } ]
crateDependencies = libb.mkVersions buildPlanConfig.cargolock;
};
# config used when planning the builds
buildPlanConfig = rec {
inherit (attrs) src;
# Whether we skip pre-building the deps
isSingleStep = attrs.singleStep or false;
# The members we want to build
# (list of directory names)
wantedMembers =
lib.mapAttrsToList (member: _cargotoml: member) wantedMemberCargotomls;
# Member path to cargotoml
# (attrset from directory name to Nix object)
wantedMemberCargotomls =
let
pred =
if ! isWorkspace
then (_member: _cargotoml: true)
else
if builtins.hasAttr "targets" attrs
then (_member: cargotoml: lib.elem cargotoml.package.name attrs.targets)
else (member: _cargotoml: member != ".");
in
lib.filterAttrs pred cargotomls;
# All cargotomls, from path to nix object
# (attrset from directory name to Nix object)
cargotomls =
let
readTOML = builtinz.readTOML usePureFromTOML;
in
{ "." = toplevelCargotoml; } // lib.optionalAttrs isWorkspace
(
lib.listToAttrs
(
map
(
member:
{
name = member;
value = readTOML (src + "/${member}/Cargo.toml");
}
)
(toplevelCargotoml.workspace.members or [])
)
);
patchedSources =
let
mkRelative = po:
if lib.hasPrefix "/" po.path
then throw "'${toString src}/Cargo.toml' contains the absolute path '${toString po.path}' which is not allowed under a [patch] section by naersk. Please make it relative to '${toString src}'"
else src + "/" + po.path;
in
lib.optionals (builtins.hasAttr "patch" toplevelCargotoml)
(
map mkRelative
(
lib.collect (as: lib.isAttrs as && builtins.hasAttr "path" as)
toplevelCargotoml.patch
)
);
# Are we building a workspace (or is this a simple crate) ?
isWorkspace = builtins.hasAttr "workspace" toplevelCargotoml;
# The top level Cargo.toml, either a workspace or package
toplevelCargotoml = readTOML (src + "/Cargo.toml");
# The cargo lock
cargolock = readTOML (src + "/Cargo.lock");
packageName = attrs.name or toplevelCargotoml.package.name or
(if isWorkspace then "rust-workspace" else "rust-package");
packageVersion = attrs.version or toplevelCargotoml.package.version or
"unknown";
cargoTestCommands = attrs.cargoTestCommands or [
''cargo test "''${cargo_release}" -j $NIX_BUILD_CORES''
];
#| Whether or not to forward intermediate build artifacts to $out
copyTarget = attrs.copyTarget or false;
copyBins = attrs.copyBins or true;
copyDocsToSeparateOutput = attrs.copyDocsToSeparateOutput or true;
};
in
buildPlanConfig // { inherit buildConfig; }