nixpkgs/maintainers/scripts/build.nix

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{ maintainer
, localSystem ? { system = args.system or builtins.currentSystem; }
, system ? localSystem.system
, crossSystem ? localSystem
, ...
}@args:
# based on update.nix
# nix-build build.nix --argstr maintainer <yourname>
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# to build for aarch64-linux using boot.binfmt.emulatedSystems:
# nix-build build.nix --argstr maintainer <yourname> --argstr system aarch64-linux
let
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pkgs = import ./../../default.nix (removeAttrs args [ "maintainer" ]);
maintainer_ = pkgs.lib.maintainers.${maintainer};
packagesWith = cond: return: set:
(pkgs.lib.flatten
(pkgs.lib.mapAttrsToList
(name: pkg:
let
result = builtins.tryEval
(
if pkgs.lib.isDerivation pkg && cond name pkg then
# Skip packages whose closure fails on evaluation.
# This happens for pkgs like `python27Packages.djangoql`
# that have disabled Python pkgs as dependencies.
builtins.seq pkg.outPath
[ (return name pkg) ]
else if pkg.recurseForDerivations or false || pkg.recurseForRelease or false
then packagesWith cond return pkg
else [ ]
);
in
if result.success then result.value
else [ ]
)
set
)
);
in
packagesWith
(name: pkg:
(
if builtins.hasAttr "meta" pkg && builtins.hasAttr "maintainers" pkg.meta
then (
if builtins.isList pkg.meta.maintainers
then builtins.elem maintainer_ pkg.meta.maintainers
else maintainer_ == pkg.meta.maintainers
)
else false
)
)
(name: pkg: pkg)
pkgs