guix-devel/nix/libstore/builtins.hh

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/* GNU Guix --- Functional package management for GNU
Copyright (C) 2016 Ludovic Courtès <ludo@gnu.org>
This file is part of GNU Guix.
GNU Guix is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
GNU Guix is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. */
/* Interface to built-in derivation builders. */
#pragma once
#include <derivations.hh>
#include <map>
#include <string>
namespace nix {
inline bool isBuiltin(const Derivation & drv)
{
return string(drv.builder, 0, 8) == "builtin:";
}
/* Build DRV, which lives at DRVPATH. */
typedef void (*derivationBuilder) (const Derivation &drv,
const std::string &drvPath);
/* Return the built-in builder called BUILDER, or NULL if none was
found. */
derivationBuilder lookupBuiltinBuilder(const std::string &builder);
/* Return the list of supported built-in builder names. */
std::list<std::string> builtinBuilderNames();
}