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Make a variant builder helper

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Surma
2024-09-08 12:59:17 +01:00
parent dfc9b36b6e
commit 63441ef371
1 changed files with 33 additions and 12 deletions
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45
codecs/webp/flake.nix
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@@ -16,7 +16,7 @@
}: }:
let let
packageVariants = { variantOptions = {
base = { base = {
simd = false; simd = false;
}; };
@@ -30,19 +30,19 @@
system: system:
let let
pkgs = nixpkgs.legacyPackages.${system}; pkgs = nixpkgs.legacyPackages.${system};
inherit (pkgs) lib stdenv runCommand emscripten writeShellScriptBin cmake callPackage; inherit (pkgs) lib stdenv callPackage;
buildSquooshCppCodec = callPackage (import ../../nix/squoosh-cxx-builder) {}; buildSquooshCppCodec = callPackage (import ../../nix/squoosh-cxx-builder) {};
mkInstallable = callPackage (import ../../nix/mk-installable) {}; mkInstallable = callPackage (import ../../nix/mk-installable) {};
packageVariantBuilder = builder =
name: name:
{ simd }@variantOptions: { simd }:
{ {
"webp-squoosh-${name}" = buildSquooshCppCodec { "webp-squoosh" = buildSquooshCppCodec {
name = "webp-squoosh-${name}"; name = "webp-squoosh-${name}";
src = lib.sources.sourceByRegex ./. ["Makefile" "enc(/.+)?" "dec(/.+)?"]; src = lib.sources.sourceByRegex ./. ["Makefile" "enc(/.+)?" "dec(/.+)?"];
nativeBuildInputs = [ nativeBuildInputs = [
emscripten pkgs.emscripten
self.packages.${system}."webp-${name}" self.packages.${system}."webp-${name}"
]; ];
WEBP = self.packages.${system}."webp-${name}"; WEBP = self.packages.${system}."webp-${name}";
@@ -56,12 +56,12 @@
cp -r enc dec $out cp -r enc dec $out
''; '';
}; };
"webp-${name}" = stdenv.mkDerivation { "webp" = stdenv.mkDerivation {
name = "webp-${name}"; name = "webp-${name}";
src = webp-src; src = webp-src;
nativeBuildInputs = [ nativeBuildInputs = [
emscripten pkgs.emscripten
cmake pkgs.cmake
]; ];
configurePhase = '' configurePhase = ''
# $HOME is required for Emscripten to work. # $HOME is required for Emscripten to work.
@@ -97,10 +97,31 @@
}; };
}; };
packages = lib.foldl (acc: v: acc//v) {} (lib.mapAttrsToList packageVariantBuilder packageVariants); suffixAttrNames = suffix: attrs:
lib.mapAttrs'
(name: val:
lib.nameValuePair
"${name}${suffix}"
val)
attrs;
forAllVariants =
{builder, variants}:
lib.lists.foldl
(acc: v: acc//v)
{}
(lib.mapAttrsToList
(variantName: value:
suffixAttrNames "-${variantName}" (builder variantName value))
variants
);
packageVariants = forAllVariants {
inherit builder;
variants = variantOptions;
};
defaultPackage = let defaultPackage = let
variants = lib.mapAttrs (name: opts: packages."webp-squoosh-${name}") packageVariants; variants = lib.mapAttrs (name: opts: packageVariants."webp-squoosh-${name}") variantOptions;
copyCommands = lib.concatLines (lib.mapAttrsToList (name: path: "cp -r ${path} $out/${name}") variants); copyCommands = lib.concatLines (lib.mapAttrsToList (name: path: "cp -r ${path} $out/${name}") variants);
in in
stdenv.mkDerivation { stdenv.mkDerivation {
@@ -114,7 +135,7 @@
in in
mkInstallable { mkInstallable {
packages = packages // {default = defaultPackage;}; packages = packageVariants // {default = defaultPackage;};
} }
); );
} }