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|
{ lib, stdenvNoCC }:
/**
A utility builder to get the source code of the input derivation, with any patches applied.
# Examples
```nix
srcOnly pkgs.hello
=> «derivation /nix/store/gyfk2jg9079ga5g5gfms5i4h0k9jhf0f-hello-2.12.1-source.drv»
srcOnly {
inherit (pkgs.hello) name version src stdenv;
}
=> «derivation /nix/store/vf9hdhz38z7rfhzhrk0vi70h755fnsw7-hello-2.12.1-source.drv»
```
# Type
```
srcOnly :: (Derivation | AttrSet) -> Derivation
```
# Input
`attrs`
: One of the following:
- A derivation with (at minimum) an unpackPhase and a patchPhase.
- A set of attributes that would be passed to a `stdenv.mkDerivation` or `stdenvNoCC.mkDerivation` call.
# Output
A derivation that runs a derivation's `unpackPhase` and `patchPhase`, and then copies the result to the output path.
*/
attrs:
let
argsToOverride =
args:
{
name = "${args.name or "${args.pname}-${args.version}"}-source";
outputs = [ "out" ];
phases = [
"unpackPhase"
"patchPhase"
"installPhase"
];
separateDebugInfo = false;
dontUnpack = lib.warnIf (args.dontUnpack or false
) "srcOnly: derivation has dontUnpack set, overriding" false;
dontInstall = false;
installPhase = "cp -pr --reflink=auto -- . $out";
# the original derivation might've set something like outputDev = "lib", but "lib" isn't an output anymore
# some things get confused and error if one of these is set to an output that doesn't exist
# ex: pkgs/build-support/setup-hooks/multiple-outputs.sh
outputDev = "out";
outputBin = "out";
outputInclude = "out";
outputLib = "out";
outputDoc = "out";
outputDevdoc = "out";
outputMan = "out";
outputDevman = "out";
outputInfo = "out";
}
// lib.optionalAttrs (lib.isAttrs args.outputChecks or null) {
# If the original derivation includes outputChecks for output we are removing, we need to reset it to an empty check.
outputChecks = { };
};
in
# If we are passed a derivation (based on stdenv*), we can use overrideAttrs to
# update the arguments to mkDerivation. This gives us the proper awareness of
# what arguments were effectively passed *to* mkDerivation as opposed to
# builtins.derivation (by mkDerivation). For example, stdenv.mkDerivation
# accepts an `env` attribute set which is postprocessed before being passed to
# builtins.derivation. This can lead to evaluation failures, if we assume
# that drvAttrs is equivalent to the arguments passed to mkDerivation.
# See https://github.com/NixOS/nixpkgs/issues/269539.
if lib.isDerivation attrs && attrs ? overrideAttrs then
attrs.overrideAttrs (_finalAttrs: prevAttrs: argsToOverride prevAttrs)
else
let
# If we don't have overrideAttrs, it is extremely unlikely that we are seeing
# a derivation constructed by stdenv.mkDerivation. Since srcOnly assumes
# that we are using stdenv's setup.sh, it therefore doesn't make sense to
# have derivation specific logic in this branch.
# TODO(@sternenseemann): remove drvAttrs special casing in NixOS 26.05
args =
lib.warnIf (lib.isDerivation attrs)
"srcOnly: derivations not created by a variant of stdenv.mkDerivation are not supported. Code relying on behaviour of srcOnly with non-stdenv derivations may break in the future."
attrs.drvAttrs or attrs;
stdenv = args.stdenv or (lib.warn "srcOnly: stdenv not provided, using stdenvNoCC" stdenvNoCC);
drv = stdenv.mkDerivation (args // argsToOverride args);
in
drv
|
