nixpkgs-suyu/pkgs/build-support/rust/build-rust-crate/helpers.nix
Andreas Rammhold 0aac0e8d2c
buildRustCrate: builtins -> lib where possible
We can just use `lib` instead of `builtins` in all cases but the
`hashString` case. Also changed a few lines to make use of some optional
helpers from lib.
2019-12-11 22:01:36 +01:00

26 lines
951 B
Nix

{stdenv, lib}:
{
kernel = stdenv.hostPlatform.parsed.kernel.name;
abi = stdenv.hostPlatform.parsed.abi.name;
cpu = stdenv.hostPlatform.parsed.cpu.name;
updateFeatures = f: up: functions: lib.deepSeq f (lib.foldl' (features: fun: fun features) (lib.attrsets.recursiveUpdate f up) functions);
mapFeatures = features: map (fun: fun { features = features; });
mkFeatures = feat: lib.foldl (features: featureName:
if feat.${featureName} or false then
[ featureName ] ++ features
else
features
) [] (lib.attrNames feat);
include = includedFiles: src: lib.filterSource (path: type:
lib.any (f:
let p = toString (src + ("/" + f));
in
p == path || (lib.strings.hasPrefix (p + "/") path)
) includedFiles
) src;
exclude = excludedFiles: src: lib.filterSource (path: type:
lib.all (f:
!lib.strings.hasPrefix (toString (src + ("/" + f))) path
) excludedFiles
) src;
}