518 lines
24 KiB
Nix
518 lines
24 KiB
Nix
{ lib, config }:
|
|
|
|
stdenv:
|
|
|
|
let
|
|
checkMeta = import ./check-meta.nix {
|
|
inherit lib config;
|
|
# Nix itself uses the `system` field of a derivation to decide where
|
|
# to build it. This is a bit confusing for cross compilation.
|
|
inherit (stdenv) hostPlatform;
|
|
};
|
|
|
|
# Based off lib.makeExtensible, with modifications:
|
|
makeDerivationExtensible = rattrs:
|
|
let
|
|
# NOTE: The following is a hint that will be printed by the Nix cli when
|
|
# encountering an infinite recursion. It must not be formatted into
|
|
# separate lines, because Nix would only show the last line of the comment.
|
|
|
|
# An infinite recursion here can be caused by having the attribute names of expression `e` in `.overrideAttrs(finalAttrs: previousAttrs: e)` depend on `finalAttrs`. Only the attribute values of `e` can depend on `finalAttrs`.
|
|
args = rattrs (args // { inherit finalPackage; });
|
|
# ^^^^
|
|
|
|
finalPackage =
|
|
mkDerivationSimple
|
|
(f0:
|
|
let
|
|
f = self: super:
|
|
# Convert f0 to an overlay. Legacy is:
|
|
# overrideAttrs (super: {})
|
|
# We want to introduce self. We follow the convention of overlays:
|
|
# overrideAttrs (self: super: {})
|
|
# Which means the first parameter can be either self or super.
|
|
# This is surprising, but far better than the confusion that would
|
|
# arise from flipping an overlay's parameters in some cases.
|
|
let x = f0 super;
|
|
in
|
|
if builtins.isFunction x
|
|
then
|
|
# Can't reuse `x`, because `self` comes first.
|
|
# Looks inefficient, but `f0 super` was a cheap thunk.
|
|
f0 self super
|
|
else x;
|
|
in
|
|
makeDerivationExtensible
|
|
(self: let super = rattrs self; in super // f self super))
|
|
args;
|
|
in finalPackage;
|
|
|
|
# makeDerivationExtensibleConst == makeDerivationExtensible (_: attrs),
|
|
# but pre-evaluated for a slight improvement in performance.
|
|
makeDerivationExtensibleConst = attrs:
|
|
mkDerivationSimple
|
|
(f0:
|
|
let
|
|
f = self: super:
|
|
let x = f0 super;
|
|
in
|
|
if builtins.isFunction x
|
|
then
|
|
f0 self super
|
|
else x;
|
|
in
|
|
makeDerivationExtensible (self: attrs // f self attrs))
|
|
attrs;
|
|
|
|
mkDerivationSimple = overrideAttrs:
|
|
|
|
|
|
# `mkDerivation` wraps the builtin `derivation` function to
|
|
# produce derivations that use this stdenv and its shell.
|
|
#
|
|
# See also:
|
|
#
|
|
# * https://nixos.org/nixpkgs/manual/#sec-using-stdenv
|
|
# Details on how to use this mkDerivation function
|
|
#
|
|
# * https://nixos.org/manual/nix/stable/expressions/derivations.html#derivations
|
|
# Explanation about derivations in general
|
|
{
|
|
|
|
# These types of dependencies are all exhaustively documented in
|
|
# the "Specifying Dependencies" section of the "Standard
|
|
# Environment" chapter of the Nixpkgs manual.
|
|
|
|
# TODO(@Ericson2314): Stop using legacy dep attribute names
|
|
|
|
# host offset -> target offset
|
|
depsBuildBuild ? [] # -1 -> -1
|
|
, depsBuildBuildPropagated ? [] # -1 -> -1
|
|
, nativeBuildInputs ? [] # -1 -> 0 N.B. Legacy name
|
|
, propagatedNativeBuildInputs ? [] # -1 -> 0 N.B. Legacy name
|
|
, depsBuildTarget ? [] # -1 -> 1
|
|
, depsBuildTargetPropagated ? [] # -1 -> 1
|
|
|
|
, depsHostHost ? [] # 0 -> 0
|
|
, depsHostHostPropagated ? [] # 0 -> 0
|
|
, buildInputs ? [] # 0 -> 1 N.B. Legacy name
|
|
, propagatedBuildInputs ? [] # 0 -> 1 N.B. Legacy name
|
|
|
|
, depsTargetTarget ? [] # 1 -> 1
|
|
, depsTargetTargetPropagated ? [] # 1 -> 1
|
|
|
|
, checkInputs ? []
|
|
, installCheckInputs ? []
|
|
|
|
# Configure Phase
|
|
, configureFlags ? []
|
|
, cmakeFlags ? []
|
|
, mesonFlags ? []
|
|
, # Target is not included by default because most programs don't care.
|
|
# Including it then would cause needless mass rebuilds.
|
|
#
|
|
# TODO(@Ericson2314): Make [ "build" "host" ] always the default / resolve #87909
|
|
configurePlatforms ? lib.optionals
|
|
(stdenv.hostPlatform != stdenv.buildPlatform || config.configurePlatformsByDefault)
|
|
[ "build" "host" ]
|
|
|
|
# TODO(@Ericson2314): Make unconditional / resolve #33599
|
|
# Check phase
|
|
, doCheck ? config.doCheckByDefault or false
|
|
|
|
# TODO(@Ericson2314): Make unconditional / resolve #33599
|
|
# InstallCheck phase
|
|
, doInstallCheck ? config.doCheckByDefault or false
|
|
|
|
, # TODO(@Ericson2314): Make always true and remove / resolve #178468
|
|
strictDeps ? if config.strictDepsByDefault then true else stdenv.hostPlatform != stdenv.buildPlatform
|
|
|
|
, enableParallelBuilding ? config.enableParallelBuildingByDefault
|
|
|
|
, meta ? {}
|
|
, passthru ? {}
|
|
, pos ? # position used in error messages and for meta.position
|
|
(if attrs.meta.description or null != null
|
|
then builtins.unsafeGetAttrPos "description" attrs.meta
|
|
else if attrs.version or null != null
|
|
then builtins.unsafeGetAttrPos "version" attrs
|
|
else builtins.unsafeGetAttrPos "name" attrs)
|
|
, separateDebugInfo ? false
|
|
, outputs ? [ "out" ]
|
|
, __darwinAllowLocalNetworking ? false
|
|
, __impureHostDeps ? []
|
|
, __propagatedImpureHostDeps ? []
|
|
, sandboxProfile ? ""
|
|
, propagatedSandboxProfile ? ""
|
|
|
|
, hardeningEnable ? []
|
|
, hardeningDisable ? []
|
|
|
|
, patches ? []
|
|
|
|
, __contentAddressed ?
|
|
(! attrs ? outputHash) # Fixed-output drvs can't be content addressed too
|
|
&& config.contentAddressedByDefault
|
|
|
|
, ... } @ attrs:
|
|
|
|
let
|
|
# TODO(@oxij, @Ericson2314): This is here to keep the old semantics, remove when
|
|
# no package has `doCheck = true`.
|
|
doCheck' = doCheck && stdenv.buildPlatform.canExecute stdenv.hostPlatform;
|
|
doInstallCheck' = doInstallCheck && stdenv.buildPlatform.canExecute stdenv.hostPlatform;
|
|
|
|
separateDebugInfo' = separateDebugInfo && stdenv.hostPlatform.isLinux && !(stdenv.hostPlatform.useLLVM or false);
|
|
outputs' = outputs ++ lib.optional separateDebugInfo' "debug";
|
|
|
|
noNonNativeDeps = builtins.length (depsBuildTarget ++ depsBuildTargetPropagated
|
|
++ depsHostHost ++ depsHostHostPropagated
|
|
++ buildInputs ++ propagatedBuildInputs
|
|
++ depsTargetTarget ++ depsTargetTargetPropagated) == 0;
|
|
dontAddHostSuffix = attrs ? outputHash && !noNonNativeDeps || !stdenv.hasCC;
|
|
supportedHardeningFlags = [ "fortify" "stackprotector" "pie" "pic" "strictoverflow" "format" "relro" "bindnow" ];
|
|
# Musl-based platforms will keep "pie", other platforms will not.
|
|
# If you change this, make sure to update section `{#sec-hardening-in-nixpkgs}`
|
|
# in the nixpkgs manual to inform users about the defaults.
|
|
defaultHardeningFlags = if stdenv.hostPlatform.isMusl &&
|
|
# Except when:
|
|
# - static aarch64, where compilation works, but produces segfaulting dynamically linked binaries.
|
|
# - static armv7l, where compilation fails.
|
|
!(stdenv.hostPlatform.isAarch && stdenv.hostPlatform.isStatic)
|
|
then supportedHardeningFlags
|
|
else lib.remove "pie" supportedHardeningFlags;
|
|
enabledHardeningOptions =
|
|
if builtins.elem "all" hardeningDisable
|
|
then []
|
|
else lib.subtractLists hardeningDisable (defaultHardeningFlags ++ hardeningEnable);
|
|
# hardeningDisable additionally supports "all".
|
|
erroneousHardeningFlags = lib.subtractLists supportedHardeningFlags (hardeningEnable ++ lib.remove "all" hardeningDisable);
|
|
|
|
checkDependencyList = checkDependencyList' [];
|
|
checkDependencyList' = positions: name: deps: lib.flip lib.imap1 deps (index: dep:
|
|
if lib.isDerivation dep || isNull dep || builtins.typeOf dep == "string" || builtins.typeOf dep == "path" then dep
|
|
else if lib.isList dep then checkDependencyList' ([index] ++ positions) name dep
|
|
else throw "Dependency is not of a valid type: ${lib.concatMapStrings (ix: "element ${toString ix} of ") ([index] ++ positions)}${name} for ${attrs.name or attrs.pname}");
|
|
in if builtins.length erroneousHardeningFlags != 0
|
|
then abort ("mkDerivation was called with unsupported hardening flags: " + lib.generators.toPretty {} {
|
|
inherit erroneousHardeningFlags hardeningDisable hardeningEnable supportedHardeningFlags;
|
|
})
|
|
else let
|
|
doCheck = doCheck';
|
|
doInstallCheck = doInstallCheck';
|
|
|
|
outputs = outputs';
|
|
|
|
references = nativeBuildInputs ++ buildInputs
|
|
++ propagatedNativeBuildInputs ++ propagatedBuildInputs;
|
|
|
|
dependencies = map (map lib.chooseDevOutputs) [
|
|
[
|
|
(map (drv: drv.__spliced.buildBuild or drv) (checkDependencyList "depsBuildBuild" depsBuildBuild))
|
|
(map (drv: drv.__spliced.buildHost or drv) (checkDependencyList "nativeBuildInputs" nativeBuildInputs
|
|
++ lib.optional separateDebugInfo' ../../build-support/setup-hooks/separate-debug-info.sh
|
|
++ lib.optional stdenv.hostPlatform.isWindows ../../build-support/setup-hooks/win-dll-link.sh
|
|
++ lib.optionals doCheck checkInputs
|
|
++ lib.optionals doInstallCheck' installCheckInputs))
|
|
(map (drv: drv.__spliced.buildTarget or drv) (checkDependencyList "depsBuildTarget" depsBuildTarget))
|
|
]
|
|
[
|
|
(map (drv: drv.__spliced.hostHost or drv) (checkDependencyList "depsHostHost" depsHostHost))
|
|
(map (drv: drv.__spliced.hostTarget or drv) (checkDependencyList "buildInputs" buildInputs))
|
|
]
|
|
[
|
|
(map (drv: drv.__spliced.targetTarget or drv) (checkDependencyList "depsTargetTarget" depsTargetTarget))
|
|
]
|
|
];
|
|
propagatedDependencies = map (map lib.chooseDevOutputs) [
|
|
[
|
|
(map (drv: drv.__spliced.buildBuild or drv) (checkDependencyList "depsBuildBuildPropagated" depsBuildBuildPropagated))
|
|
(map (drv: drv.__spliced.buildHost or drv) (checkDependencyList "propagatedNativeBuildInputs" propagatedNativeBuildInputs))
|
|
(map (drv: drv.__spliced.buildTarget or drv) (checkDependencyList "depsBuildTargetPropagated" depsBuildTargetPropagated))
|
|
]
|
|
[
|
|
(map (drv: drv.__spliced.hostHost or drv) (checkDependencyList "depsHostHostPropagated" depsHostHostPropagated))
|
|
(map (drv: drv.__spliced.hostTarget or drv) (checkDependencyList "propagatedBuildInputs" propagatedBuildInputs))
|
|
]
|
|
[
|
|
(map (drv: drv.__spliced.targetTarget or drv) (checkDependencyList "depsTargetTargetPropagated" depsTargetTargetPropagated))
|
|
]
|
|
];
|
|
|
|
computedSandboxProfile =
|
|
lib.concatMap (input: input.__propagatedSandboxProfile or [])
|
|
(stdenv.extraNativeBuildInputs
|
|
++ stdenv.extraBuildInputs
|
|
++ lib.concatLists dependencies);
|
|
|
|
computedPropagatedSandboxProfile =
|
|
lib.concatMap (input: input.__propagatedSandboxProfile or [])
|
|
(lib.concatLists propagatedDependencies);
|
|
|
|
computedImpureHostDeps =
|
|
lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or [])
|
|
(stdenv.extraNativeBuildInputs
|
|
++ stdenv.extraBuildInputs
|
|
++ lib.concatLists dependencies));
|
|
|
|
computedPropagatedImpureHostDeps =
|
|
lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or [])
|
|
(lib.concatLists propagatedDependencies));
|
|
|
|
derivationArg =
|
|
(removeAttrs attrs
|
|
["meta" "passthru" "pos"
|
|
"checkInputs" "installCheckInputs"
|
|
"__darwinAllowLocalNetworking"
|
|
"__impureHostDeps" "__propagatedImpureHostDeps"
|
|
"sandboxProfile" "propagatedSandboxProfile"])
|
|
// (lib.optionalAttrs (attrs ? name || (attrs ? pname && attrs ? version)) {
|
|
name =
|
|
let
|
|
# Indicate the host platform of the derivation if cross compiling.
|
|
# Fixed-output derivations like source tarballs shouldn't get a host
|
|
# suffix. But we have some weird ones with run-time deps that are
|
|
# just used for their side-affects. Those might as well since the
|
|
# hash can't be the same. See #32986.
|
|
hostSuffix = lib.optionalString
|
|
(stdenv.hostPlatform != stdenv.buildPlatform && !dontAddHostSuffix)
|
|
"-${stdenv.hostPlatform.config}";
|
|
# Disambiguate statically built packages. This was originally
|
|
# introduce as a means to prevent nix-env to get confused between
|
|
# nix and nixStatic. This should be also achieved by moving the
|
|
# hostSuffix before the version, so we could contemplate removing
|
|
# it again.
|
|
staticMarker = lib.optionalString stdenv.hostPlatform.isStatic "-static";
|
|
in
|
|
lib.strings.sanitizeDerivationName (
|
|
if attrs ? name
|
|
then attrs.name + hostSuffix
|
|
else "${attrs.pname}${staticMarker}${hostSuffix}-${attrs.version}"
|
|
);
|
|
}) // {
|
|
builder = attrs.realBuilder or stdenv.shell;
|
|
args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
|
|
inherit stdenv;
|
|
|
|
# The `system` attribute of a derivation has special meaning to Nix.
|
|
# Derivations set it to choose what sort of machine could be used to
|
|
# execute the build, The build platform entirely determines this,
|
|
# indeed more finely than Nix knows or cares about. The `system`
|
|
# attribute of `buildPlatfom` matches Nix's degree of specificity.
|
|
# exactly.
|
|
inherit (stdenv.buildPlatform) system;
|
|
|
|
userHook = config.stdenv.userHook or null;
|
|
__ignoreNulls = true;
|
|
|
|
inherit strictDeps;
|
|
|
|
depsBuildBuild = lib.elemAt (lib.elemAt dependencies 0) 0;
|
|
nativeBuildInputs = lib.elemAt (lib.elemAt dependencies 0) 1;
|
|
depsBuildTarget = lib.elemAt (lib.elemAt dependencies 0) 2;
|
|
depsHostHost = lib.elemAt (lib.elemAt dependencies 1) 0;
|
|
buildInputs = lib.elemAt (lib.elemAt dependencies 1) 1;
|
|
depsTargetTarget = lib.elemAt (lib.elemAt dependencies 2) 0;
|
|
|
|
depsBuildBuildPropagated = lib.elemAt (lib.elemAt propagatedDependencies 0) 0;
|
|
propagatedNativeBuildInputs = lib.elemAt (lib.elemAt propagatedDependencies 0) 1;
|
|
depsBuildTargetPropagated = lib.elemAt (lib.elemAt propagatedDependencies 0) 2;
|
|
depsHostHostPropagated = lib.elemAt (lib.elemAt propagatedDependencies 1) 0;
|
|
propagatedBuildInputs = lib.elemAt (lib.elemAt propagatedDependencies 1) 1;
|
|
depsTargetTargetPropagated = lib.elemAt (lib.elemAt propagatedDependencies 2) 0;
|
|
|
|
# This parameter is sometimes a string, sometimes null, and sometimes a list, yuck
|
|
configureFlags = let inherit (lib) optional elem; in
|
|
(/**/ if lib.isString configureFlags then lib.warn "String 'configureFlags' is deprecated and will be removed in release 23.05. Please use a list of strings. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}" [configureFlags]
|
|
else if configureFlags == null then lib.warn "Null 'configureFlags' is deprecated and will be removed in release 23.05. Please use a empty list instead '[]'. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}" []
|
|
else configureFlags)
|
|
++ optional (elem "build" configurePlatforms) "--build=${stdenv.buildPlatform.config}"
|
|
++ optional (elem "host" configurePlatforms) "--host=${stdenv.hostPlatform.config}"
|
|
++ optional (elem "target" configurePlatforms) "--target=${stdenv.targetPlatform.config}";
|
|
|
|
cmakeFlags =
|
|
let
|
|
explicitFlags =
|
|
if lib.isString cmakeFlags then lib.warn
|
|
"String 'cmakeFlags' is deprecated and will be removed in release 23.05. Please use a list of strings. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}"
|
|
[cmakeFlags]
|
|
else if cmakeFlags == null then
|
|
lib.warn
|
|
"Null 'cmakeFlags' is deprecated and will be removed in release 23.05. Please use a empty list instead '[]'. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}"
|
|
[]
|
|
else
|
|
cmakeFlags;
|
|
|
|
crossFlags = [
|
|
"-DCMAKE_SYSTEM_NAME=${lib.findFirst lib.isString "Generic" (lib.optional (!stdenv.hostPlatform.isRedox) stdenv.hostPlatform.uname.system)}"
|
|
] ++ lib.optionals (stdenv.hostPlatform.uname.processor != null) [
|
|
"-DCMAKE_SYSTEM_PROCESSOR=${stdenv.hostPlatform.uname.processor}"
|
|
] ++ lib.optionals (stdenv.hostPlatform.uname.release != null) [
|
|
"-DCMAKE_SYSTEM_VERSION=${stdenv.hostPlatform.uname.release}"
|
|
] ++ lib.optionals (stdenv.hostPlatform.isDarwin) [
|
|
"-DCMAKE_OSX_ARCHITECTURES=${stdenv.hostPlatform.darwinArch}"
|
|
] ++ lib.optionals (stdenv.buildPlatform.uname.system != null) [
|
|
"-DCMAKE_HOST_SYSTEM_NAME=${stdenv.buildPlatform.uname.system}"
|
|
] ++ lib.optionals (stdenv.buildPlatform.uname.processor != null) [
|
|
"-DCMAKE_HOST_SYSTEM_PROCESSOR=${stdenv.buildPlatform.uname.processor}"
|
|
] ++ lib.optionals (stdenv.buildPlatform.uname.release != null) [
|
|
"-DCMAKE_HOST_SYSTEM_VERSION=${stdenv.buildPlatform.uname.release}"
|
|
];
|
|
in
|
|
explicitFlags ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) crossFlags;
|
|
|
|
mesonFlags =
|
|
let
|
|
explicitFlags =
|
|
if lib.isString mesonFlags then lib.warn
|
|
"String 'mesonFlags' is deprecated and will be removed in release 23.05. Please use a list of strings. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}"
|
|
[mesonFlags]
|
|
else if mesonFlags == null then
|
|
lib.warn
|
|
"Null 'mesonFlags' is deprecated and will be removed in release 23.05. Please use a empty list instead '[]'. Derivation name: ${derivationArg.name}, file: ${pos.file or "unknown file"}"
|
|
[]
|
|
else
|
|
mesonFlags;
|
|
|
|
# See https://mesonbuild.com/Reference-tables.html#cpu-families
|
|
cpuFamily = platform: with platform;
|
|
/**/ if isAarch32 then "arm"
|
|
else if isAarch64 then "aarch64"
|
|
else if isx86_32 then "x86"
|
|
else if isx86_64 then "x86_64"
|
|
else platform.parsed.cpu.family + builtins.toString platform.parsed.cpu.bits;
|
|
|
|
crossFile = builtins.toFile "cross-file.conf" ''
|
|
[properties]
|
|
needs_exe_wrapper = ${lib.boolToString (!stdenv.buildPlatform.canExecute stdenv.hostPlatform)}
|
|
|
|
[host_machine]
|
|
system = '${stdenv.targetPlatform.parsed.kernel.name}'
|
|
cpu_family = '${cpuFamily stdenv.targetPlatform}'
|
|
cpu = '${stdenv.targetPlatform.parsed.cpu.name}'
|
|
endian = ${if stdenv.targetPlatform.isLittleEndian then "'little'" else "'big'"}
|
|
|
|
[binaries]
|
|
llvm-config = 'llvm-config-native'
|
|
'';
|
|
crossFlags = lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [ "--cross-file=${crossFile}" ];
|
|
in crossFlags ++ explicitFlags;
|
|
|
|
inherit patches;
|
|
|
|
inherit doCheck doInstallCheck;
|
|
|
|
inherit outputs;
|
|
} // lib.optionalAttrs (__contentAddressed) {
|
|
inherit __contentAddressed;
|
|
# Provide default values for outputHashMode and outputHashAlgo because
|
|
# most people won't care about these anyways
|
|
outputHashAlgo = attrs.outputHashAlgo or "sha256";
|
|
outputHashMode = attrs.outputHashMode or "recursive";
|
|
} // lib.optionalAttrs (enableParallelBuilding) {
|
|
enableParallelChecking = attrs.enableParallelChecking or true;
|
|
} // lib.optionalAttrs (hardeningDisable != [] || hardeningEnable != [] || stdenv.hostPlatform.isMusl) {
|
|
NIX_HARDENING_ENABLE = enabledHardeningOptions;
|
|
} // lib.optionalAttrs (stdenv.hostPlatform.isx86_64 && stdenv.hostPlatform ? gcc.arch) {
|
|
requiredSystemFeatures = attrs.requiredSystemFeatures or [] ++ [ "gccarch-${stdenv.hostPlatform.gcc.arch}" ];
|
|
} // lib.optionalAttrs (stdenv.buildPlatform.isDarwin) {
|
|
inherit __darwinAllowLocalNetworking;
|
|
# TODO: remove lib.unique once nix has a list canonicalization primitive
|
|
__sandboxProfile =
|
|
let profiles = [ stdenv.extraSandboxProfile ] ++ computedSandboxProfile ++ computedPropagatedSandboxProfile ++ [ propagatedSandboxProfile sandboxProfile ];
|
|
final = lib.concatStringsSep "\n" (lib.filter (x: x != "") (lib.unique profiles));
|
|
in final;
|
|
__propagatedSandboxProfile = lib.unique (computedPropagatedSandboxProfile ++ [ propagatedSandboxProfile ]);
|
|
__impureHostDeps = computedImpureHostDeps ++ computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps ++ __impureHostDeps ++ stdenv.__extraImpureHostDeps ++ [
|
|
"/dev/zero"
|
|
"/dev/random"
|
|
"/dev/urandom"
|
|
"/bin/sh"
|
|
];
|
|
__propagatedImpureHostDeps = computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps;
|
|
};
|
|
|
|
validity = checkMeta { inherit meta attrs; };
|
|
|
|
# The meta attribute is passed in the resulting attribute set,
|
|
# but it's not part of the actual derivation, i.e., it's not
|
|
# passed to the builder and is not a dependency. But since we
|
|
# include it in the result, it *is* available to nix-env for queries.
|
|
meta = {
|
|
# `name` above includes cross-compilation cruft,
|
|
# is under assert, and is sanitized.
|
|
# Let's have a clean always accessible version here.
|
|
name = attrs.name or "${attrs.pname}-${attrs.version}";
|
|
|
|
# If the packager hasn't specified `outputsToInstall`, choose a default,
|
|
# which is the name of `p.bin or p.out or p` along with `p.man` when
|
|
# present.
|
|
#
|
|
# If the packager has specified it, it will be overridden below in
|
|
# `// meta`.
|
|
#
|
|
# Note: This default probably shouldn't be globally configurable.
|
|
# Services and users should specify outputs explicitly,
|
|
# unless they are comfortable with this default.
|
|
outputsToInstall =
|
|
let
|
|
hasOutput = out: builtins.elem out outputs;
|
|
in [( lib.findFirst hasOutput null (["bin" "out"] ++ outputs) )]
|
|
++ lib.optional (hasOutput "man") "man";
|
|
}
|
|
// attrs.meta or {}
|
|
# Fill `meta.position` to identify the source location of the package.
|
|
// lib.optionalAttrs (pos != null) {
|
|
position = pos.file + ":" + toString pos.line;
|
|
} // {
|
|
# Expose the result of the checks for everyone to see.
|
|
inherit (validity) unfree broken unsupported insecure;
|
|
available = validity.valid != "no"
|
|
&& (if config.checkMetaRecursively or false
|
|
then lib.all (d: d.meta.available or true) references
|
|
else true);
|
|
};
|
|
|
|
in
|
|
|
|
lib.extendDerivation
|
|
validity.handled
|
|
({
|
|
# A derivation that always builds successfully and whose runtime
|
|
# dependencies are the original derivations build time dependencies
|
|
# This allows easy building and distributing of all derivations
|
|
# needed to enter a nix-shell with
|
|
# nix-build shell.nix -A inputDerivation
|
|
inputDerivation = derivation (derivationArg // {
|
|
# Add a name in case the original drv didn't have one
|
|
name = derivationArg.name or "inputDerivation";
|
|
# This always only has one output
|
|
outputs = [ "out" ];
|
|
|
|
# Propagate the original builder and arguments, since we override
|
|
# them and they might contain references to build inputs
|
|
_derivation_original_builder = derivationArg.builder;
|
|
_derivation_original_args = derivationArg.args;
|
|
|
|
builder = stdenv.shell;
|
|
# The bash builtin `export` dumps all current environment variables,
|
|
# which is where all build input references end up (e.g. $PATH for
|
|
# binaries). By writing this to $out, Nix can find and register
|
|
# them as runtime dependencies (since Nix greps for store paths
|
|
# through $out to find them)
|
|
args = [ "-c" "export > $out" ];
|
|
});
|
|
|
|
inherit meta passthru overrideAttrs;
|
|
} //
|
|
# Pass through extra attributes that are not inputs, but
|
|
# should be made available to Nix expressions using the
|
|
# derivation (e.g., in assertions).
|
|
passthru)
|
|
(derivation derivationArg);
|
|
|
|
in
|
|
fnOrAttrs:
|
|
if builtins.isFunction fnOrAttrs
|
|
then makeDerivationExtensible fnOrAttrs
|
|
else makeDerivationExtensibleConst fnOrAttrs
|