145 lines
4.5 KiB
Nix
145 lines
4.5 KiB
Nix
|
{
|
||
|
# callPackage-provided arguments
|
||
|
lib,
|
||
|
cudaVersion,
|
||
|
flags,
|
||
|
stdenv,
|
||
|
# Expected to be passed by the caller
|
||
|
mkVersionedPackageName,
|
||
|
# pname :: String
|
||
|
pname,
|
||
|
# releasesModule :: Path
|
||
|
# A path to a module which provides a `releases` attribute
|
||
|
releasesModule,
|
||
|
# shims :: Path
|
||
|
# A path to a module which provides a `shims` attribute
|
||
|
# The redistribRelease is only used in ./manifest.nix for the package version
|
||
|
# and the package description (which NVIDIA's manifest calls the "name").
|
||
|
# It's also used for fetching the source, but we override that since we can't
|
||
|
# re-use that portion of the functionality (different URLs, etc.).
|
||
|
# The featureRelease is used to populate meta.platforms (by way of looking at the attribute names)
|
||
|
# and to determine the outputs of the package.
|
||
|
# shimFn :: {package, redistArch} -> AttrSet
|
||
|
shimsFn ? (throw "shimsFn must be provided"),
|
||
|
# fixupFn :: Path
|
||
|
# A path (or nix expression) to be evaluated with callPackage and then
|
||
|
# provided to the package's overrideAttrs function.
|
||
|
# It must accept at least the following arguments:
|
||
|
# - final
|
||
|
# - cudaVersion
|
||
|
# - mkVersionedPackageName
|
||
|
# - package
|
||
|
# - ...
|
||
|
fixupFn ? (throw "fixupFn must be provided"),
|
||
|
}:
|
||
|
let
|
||
|
inherit (lib)
|
||
|
attrsets
|
||
|
lists
|
||
|
modules
|
||
|
strings
|
||
|
;
|
||
|
|
||
|
inherit (stdenv) hostPlatform;
|
||
|
|
||
|
evaluatedModules = modules.evalModules {
|
||
|
modules = [
|
||
|
../modules
|
||
|
releasesModule
|
||
|
];
|
||
|
};
|
||
|
|
||
|
# NOTE: Important types:
|
||
|
# - Releases: ../modules/${pname}/releases/releases.nix
|
||
|
# - Package: ../modules/${pname}/releases/package.nix
|
||
|
|
||
|
# FIXME: do this at the module system level
|
||
|
propagatePlatforms = lib.mapAttrs (
|
||
|
redistArch: packages: map (p: { inherit redistArch; } // p) packages
|
||
|
);
|
||
|
|
||
|
# All releases across all platforms
|
||
|
# See ../modules/${pname}/releases/releases.nix
|
||
|
releaseSets = propagatePlatforms evaluatedModules.config.${pname}.releases;
|
||
|
|
||
|
# Compute versioned attribute name to be used in this package set
|
||
|
# Patch version changes should not break the build, so we only use major and minor
|
||
|
# computeName :: Package -> String
|
||
|
computeName = { version, ... }: mkVersionedPackageName pname version;
|
||
|
|
||
|
# Check whether a package supports our CUDA version and platform.
|
||
|
# isSupported :: Package -> Bool
|
||
|
isSupported =
|
||
|
package:
|
||
|
redistArch == package.redistArch
|
||
|
&& strings.versionAtLeast cudaVersion package.minCudaVersion
|
||
|
&& strings.versionAtLeast package.maxCudaVersion cudaVersion;
|
||
|
|
||
|
# Get all of the packages for our given platform.
|
||
|
# redistArch :: String
|
||
|
# Value is `"unsupported"` if the platform is not supported.
|
||
|
redistArch = flags.getRedistArch hostPlatform.system;
|
||
|
|
||
|
preferable =
|
||
|
p1: p2: (isSupported p2 -> isSupported p1) && (strings.versionAtLeast p1.version p2.version);
|
||
|
|
||
|
# All the supported packages we can build for our platform.
|
||
|
# perSystemReleases :: List Package
|
||
|
allReleases = lib.pipe releaseSets [
|
||
|
(lib.attrValues)
|
||
|
(lists.flatten)
|
||
|
(lib.groupBy (p: lib.versions.majorMinor p.version))
|
||
|
(lib.mapAttrs (_: builtins.sort preferable))
|
||
|
(lib.mapAttrs (_: lib.take 1))
|
||
|
(lib.attrValues)
|
||
|
(lib.concatMap lib.trivial.id)
|
||
|
];
|
||
|
|
||
|
newest = builtins.head (builtins.sort preferable allReleases);
|
||
|
|
||
|
# A function which takes the `final` overlay and the `package` being built and returns
|
||
|
# a function to be consumed via `overrideAttrs`.
|
||
|
overrideAttrsFixupFn =
|
||
|
final: package:
|
||
|
final.callPackage fixupFn {
|
||
|
inherit
|
||
|
final
|
||
|
cudaVersion
|
||
|
mkVersionedPackageName
|
||
|
package
|
||
|
;
|
||
|
};
|
||
|
|
||
|
extension =
|
||
|
final: _:
|
||
|
let
|
||
|
# Builds our package into derivation and wraps it in a nameValuePair, where the name is the versioned name
|
||
|
# of the package.
|
||
|
buildPackage =
|
||
|
package:
|
||
|
let
|
||
|
shims = final.callPackage shimsFn {
|
||
|
inherit package;
|
||
|
inherit (package) redistArch;
|
||
|
};
|
||
|
name = computeName package;
|
||
|
drv = final.callPackage ./manifest.nix {
|
||
|
inherit pname;
|
||
|
redistName = pname;
|
||
|
inherit (shims) redistribRelease featureRelease;
|
||
|
};
|
||
|
fixedDrv = drv.overrideAttrs (overrideAttrsFixupFn final package);
|
||
|
in
|
||
|
attrsets.nameValuePair name fixedDrv;
|
||
|
|
||
|
# versionedDerivations :: AttrSet Derivation
|
||
|
versionedDerivations = builtins.listToAttrs (lists.map buildPackage allReleases);
|
||
|
|
||
|
defaultDerivation = {
|
||
|
${pname} = (buildPackage newest).value;
|
||
|
};
|
||
|
in
|
||
|
versionedDerivations // defaultDerivation;
|
||
|
in
|
||
|
extension
|