splice.nix: run nixpkgs-fmt

the file was a bit hard to read
This commit is contained in:
Artturin 2022-12-24 15:55:22 +02:00
parent ff76349c4f
commit 0a3d351240

View file

@ -18,86 +18,103 @@ lib: pkgs: actuallySplice:
let
spliceReal = { pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
, pkgsHostHost, pkgsHostTarget
, pkgsTargetTarget
}: let
mash =
# Other pkgs sets
pkgsBuildBuild // pkgsBuildTarget // pkgsHostHost // pkgsTargetTarget
# The same pkgs sets one probably intends
// pkgsBuildHost // pkgsHostTarget;
merge = name: {
inherit name;
value = let
defaultValue = mash.${name};
# `or {}` is for the non-derivation attsert splicing case, where `{}` is the identity.
valueBuildBuild = pkgsBuildBuild.${name} or {};
valueBuildHost = pkgsBuildHost.${name} or {};
valueBuildTarget = pkgsBuildTarget.${name} or {};
valueHostHost = pkgsHostHost.${name} or {};
valueHostTarget = pkgsHostTarget.${name} or {};
valueTargetTarget = pkgsTargetTarget.${name} or {};
augmentedValue = defaultValue
# TODO(@Artturin): remove before release 23.05 and only have __spliced.
// (lib.optionalAttrs (pkgsBuildHost ? ${name}) { nativeDrv = lib.warn "use ${name}.__spliced.buildHost instead of ${name}.nativeDrv" valueBuildHost; })
// (lib.optionalAttrs (pkgsHostTarget ? ${name}) { crossDrv = lib.warn "use ${name}.__spliced.hostTarget instead of ${name}.crossDrv" valueHostTarget; })
// {
__spliced =
(lib.optionalAttrs (pkgsBuildBuild ? ${name}) { buildBuild = valueBuildBuild; })
// (lib.optionalAttrs (pkgsBuildHost ? ${name}) { buildHost = valueBuildHost; })
// (lib.optionalAttrs (pkgsBuildTarget ? ${name}) { buildTarget = valueBuildTarget; })
// (lib.optionalAttrs (pkgsHostHost ? ${name}) { hostHost = valueHostHost; })
// (lib.optionalAttrs (pkgsHostTarget ? ${name}) { hostTarget = valueHostTarget; })
// (lib.optionalAttrs (pkgsTargetTarget ? ${name}) { targetTarget = valueTargetTarget;
});
};
# Get the set of outputs of a derivation. If one derivation fails to
# evaluate we don't want to diverge the entire splice, so we fall back
# on {}
tryGetOutputs = value0: let
inherit (builtins.tryEval value0) success value;
in getOutputs (lib.optionalAttrs success value);
getOutputs = value: lib.genAttrs
(value.outputs or (lib.optional (value ? out) "out"))
(output: value.${output});
in
# The derivation along with its outputs, which we recur
# on to splice them together.
if lib.isDerivation defaultValue then augmentedValue // spliceReal {
pkgsBuildBuild = tryGetOutputs valueBuildBuild;
pkgsBuildHost = tryGetOutputs valueBuildHost;
pkgsBuildTarget = tryGetOutputs valueBuildTarget;
pkgsHostHost = tryGetOutputs valueHostHost;
pkgsHostTarget = getOutputs valueHostTarget;
pkgsTargetTarget = tryGetOutputs valueTargetTarget;
# Just recur on plain attrsets
} else if lib.isAttrs defaultValue then spliceReal {
pkgsBuildBuild = valueBuildBuild;
pkgsBuildHost = valueBuildHost;
pkgsBuildTarget = valueBuildTarget;
pkgsHostHost = valueHostHost;
pkgsHostTarget = valueHostTarget;
pkgsTargetTarget = valueTargetTarget;
# Don't be fancy about non-derivations. But we could have used used
# `__functor__` for functions instead.
} else defaultValue;
};
in lib.listToAttrs (map merge (lib.attrNames mash));
spliceReal =
{ pkgsBuildBuild
, pkgsBuildHost
, pkgsBuildTarget
, pkgsHostHost
, pkgsHostTarget
, pkgsTargetTarget
}:
let
mash =
# Other pkgs sets
pkgsBuildBuild // pkgsBuildTarget // pkgsHostHost // pkgsTargetTarget
# The same pkgs sets one probably intends
// pkgsBuildHost // pkgsHostTarget;
merge = name: {
inherit name;
value =
let
defaultValue = mash.${name};
# `or {}` is for the non-derivation attsert splicing case, where `{}` is the identity.
valueBuildBuild = pkgsBuildBuild.${name} or { };
valueBuildHost = pkgsBuildHost.${name} or { };
valueBuildTarget = pkgsBuildTarget.${name} or { };
valueHostHost = pkgsHostHost.${name} or { };
valueHostTarget = pkgsHostTarget.${name} or { };
valueTargetTarget = pkgsTargetTarget.${name} or { };
augmentedValue = defaultValue
# TODO(@Artturin): remove before release 23.05 and only have __spliced.
// (lib.optionalAttrs (pkgsBuildHost ? ${name}) { nativeDrv = lib.warn "use ${name}.__spliced.buildHost instead of ${name}.nativeDrv" valueBuildHost; })
// (lib.optionalAttrs (pkgsHostTarget ? ${name}) { crossDrv = lib.warn "use ${name}.__spliced.hostTarget instead of ${name}.crossDrv" valueHostTarget; })
// {
__spliced =
(lib.optionalAttrs (pkgsBuildBuild ? ${name}) { buildBuild = valueBuildBuild; })
// (lib.optionalAttrs (pkgsBuildHost ? ${name}) { buildHost = valueBuildHost; })
// (lib.optionalAttrs (pkgsBuildTarget ? ${name}) { buildTarget = valueBuildTarget; })
// (lib.optionalAttrs (pkgsHostHost ? ${name}) { hostHost = valueHostHost; })
// (lib.optionalAttrs (pkgsHostTarget ? ${name}) { hostTarget = valueHostTarget; })
// (lib.optionalAttrs (pkgsTargetTarget ? ${name}) {
targetTarget = valueTargetTarget;
});
};
# Get the set of outputs of a derivation. If one derivation fails to
# evaluate we don't want to diverge the entire splice, so we fall back
# on {}
tryGetOutputs = value0:
let
inherit (builtins.tryEval value0) success value;
in
getOutputs (lib.optionalAttrs success value);
getOutputs = value: lib.genAttrs
(value.outputs or (lib.optional (value ? out) "out"))
(output: value.${output});
in
# The derivation along with its outputs, which we recur
# on to splice them together.
if lib.isDerivation defaultValue then augmentedValue // spliceReal {
pkgsBuildBuild = tryGetOutputs valueBuildBuild;
pkgsBuildHost = tryGetOutputs valueBuildHost;
pkgsBuildTarget = tryGetOutputs valueBuildTarget;
pkgsHostHost = tryGetOutputs valueHostHost;
pkgsHostTarget = getOutputs valueHostTarget;
pkgsTargetTarget = tryGetOutputs valueTargetTarget;
# Just recur on plain attrsets
} else if lib.isAttrs defaultValue then
spliceReal
{
pkgsBuildBuild = valueBuildBuild;
pkgsBuildHost = valueBuildHost;
pkgsBuildTarget = valueBuildTarget;
pkgsHostHost = valueHostHost;
pkgsHostTarget = valueHostTarget;
pkgsTargetTarget = valueTargetTarget;
# Don't be fancy about non-derivations. But we could have used used
# `__functor__` for functions instead.
} else defaultValue;
};
in
lib.listToAttrs (map merge (lib.attrNames mash));
splicePackages = { pkgsBuildBuild, pkgsBuildHost, pkgsBuildTarget
, pkgsHostHost, pkgsHostTarget
, pkgsTargetTarget
} @ args:
splicePackages =
{ pkgsBuildBuild
, pkgsBuildHost
, pkgsBuildTarget
, pkgsHostHost
, pkgsHostTarget
, pkgsTargetTarget
} @ args:
if actuallySplice then spliceReal args else pkgsHostTarget;
splicedPackages = splicePackages {
inherit (pkgs)
pkgsBuildBuild pkgsBuildHost pkgsBuildTarget
pkgsHostHost pkgsHostTarget
pkgsTargetTarget
;
} // {
splicedPackages = splicePackages
{
inherit (pkgs)
pkgsBuildBuild pkgsBuildHost pkgsBuildTarget
pkgsHostHost pkgsHostTarget
pkgsTargetTarget
;
} // {
# These should never be spliced under any circumstances
inherit (pkgs)
pkgsBuildBuild pkgsBuildHost pkgsBuildTarget
@ -109,7 +126,10 @@ let
};
splicedPackagesWithXorg = splicedPackages // builtins.removeAttrs splicedPackages.xorg [
"callPackage" "newScope" "overrideScope" "packages"
"callPackage"
"newScope"
"overrideScope"
"packages"
];
in
@ -120,7 +140,7 @@ in
# We use `callPackage' to be able to omit function arguments that can be
# obtained `pkgs` or `buildPackages` and their `xorg` package sets. Use
# `newScope' for sets of packages in `pkgs' (see e.g. `gnome' below).
callPackage = pkgs.newScope {};
callPackage = pkgs.newScope { };
callPackages = lib.callPackagesWith splicedPackagesWithXorg;