/* GNU Guix --- Functional package management for GNU
   Copyright (C) 2016, 2017, 2018, 2019 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/>.  */

#include <builtins.hh>
#include <util.hh>
#include <globals.hh>

#include <unistd.h>
#include <cstdlib>

namespace nix {

static void builtinDownload(const Derivation &drv,
			    const std::string &drvPath,
			    const std::string &output)
{
    /* Invoke 'guix perform-download'.  */
    Strings args;
    args.push_back("perform-download");
    args.push_back(drvPath);

    /* Close all other file descriptors. */
    closeMostFDs(set<int>());

    const char *const argv[] =
      {
	  "guix", "perform-download", drvPath.c_str(), output.c_str(), NULL
      };

    /* Tell the script what the store file name is, so that
       'strip-store-file-name' (used for instance to determine the URL of
       content-addressed mirrors) works correctly.  */
    setenv("NIX_STORE", settings.nixStore.c_str(), 1);

    /* Tell it about options such as "print-extended-build-trace".  */
    setenv("_NIX_OPTIONS", settings.pack().c_str(), 1);

    const string program = settings.guixProgram;
    execv(program.c_str(), (char *const *) argv);

    throw SysError(format("failed to run download program '%1%'") % program);
}

static const std::map<std::string, derivationBuilder> builtins =
{
    { "download", builtinDownload }
};

derivationBuilder lookupBuiltinBuilder(const std::string & name)
{
    if (name.substr(0, 8) == "builtin:")
    {
	auto realName = name.substr(8);
	auto builder = builtins.find(realName);
	return builder == builtins.end() ? NULL : builder->second;
    }
    else
	return NULL;
}

std::list<std::string> builtinBuilderNames()
{
    std::list<std::string> result;
    for(auto&& iter: builtins)
    {
	result.push_back(iter.first);
    }
    return result;
}

}
55f1a3d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2022-07-13 20:06:26 +0200'>2022-07-13</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=45ca6967ab7ac91b66e5b6fddfbc63317ff219a9'>etc: teams: Add entry for Jonathan Brielmaier.</a><span class='msg-avail'>...</span></td><td>Jonathan Brielmaier</td></tr>
<tr><td><span title='2022-07-13 20:03:35 +0200'>2022-07-13</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=a3f8eac56490986b1886d3e276b4b0103aeb7f95'>etc: teams: Add mozilla team.</a><span class='msg-avail'>...</span></td><td>Jonathan Brielmaier</td></tr>
<tr><td><span title='2022-07-10 23:57:15 +0200'>2022-07-10</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=d301374d97fc3b658afef3dd399ee71690eed572'>etc: teams: Add entry for Thiago Jung Bauermann.</a><span class='msg-avail'>...</span></td><td>Thiago Jung Bauermann</td></tr>
<tr><td><span title='2022-07-08 23:36:24 +0100'>2022-07-08</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=6e2f5fe2170065e23c4176ab79cbc60ad2ffd0f7'>etc: teams: Add entry for Christopher Baines.</a><span class='msg-avail'>...</span></td><td>Christopher Baines</td></tr>
<tr><td><span title='2022-07-08 17:11:24 +0200'>2022-07-08</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=ff751a68dca4d3436341d1ec5e0d0ba7e269c777'>etc: teams: Add entry for Björn Höfling.</a><span class='msg-avail'>...</span></td><td>Björn Höfling</td></tr>
<tr><td><span title='2022-07-07 20:08:01 +0200'>2022-07-07</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=3e8a1e8f25cea57ebaa6cd9ba41e4aa507148503'>etc: teams: Add entry for jgart.</a><span class='msg-avail'>...</span></td><td>jgart via Guix-patches via</td></tr>
<tr><td><span title='2022-07-07 20:06:49 +0200'>2022-07-07</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=c3e45324984290a46529e4a1369c17a6bc5f6b44'>etc: teams: Add entry for Lars-Dominik Braun.</a><span class='msg-avail'>...</span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2022-07-07 00:29:14 +0200'>2022-07-07</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=b150c70b15e42bb2f35429f004a7575c89e0ce91'>etc: teams: Add entry for Florian Pelz.</a><span class='msg-avail'>...</span></td><td>Florian Pelz</td></tr>
<tr><td><span title='2022-07-06 22:16:46 +0200'>2022-07-06</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=3ce152bf5bdc69fcaab12cc45a33537694a42d64'>etc: teams: Add entry for Julien Lepiller.</a><span class='msg-avail'>...</span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2022-07-04 11:14:39 +0300'>2022-07-04</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=47ed000d4df98e440a8a9a0788412b2f791b88b4'>etc: teams: Add entry for Efraim Flashner.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-07-03 22:50:31 -0400'>2022-07-03</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=1f33ff117347ce4488dcf8277386013404f3393f'>teams: Add leo Famulari.</a><span class='msg-avail'>...</span></td><td>Leo Famulari</td></tr>
<tr><td><span title='2022-07-03 17:11:21 +0200'>2022-07-03</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=9cdfecc8a3deaacaf39780ddfa6207a769409af6'>etc: teams: Add entry for Liliana Prikler.</a><span class='msg-avail'>...</span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2022-07-03 17:11:18 +0200'>2022-07-03</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=672c863f5523cd193397b83c072da7831b0f3273'>etc: teams: Sort members lexicographically by last name.</a><span class='msg-avail'>...</span></td><td>Liliana Marie Prikler</td></tr>
<tr><td><span title='2022-07-03 16:33:26 +0200'>2022-07-03</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=4a2f487740fc4a000480226fd25ff2452efa9012'>etc: Update teams.</a><span class='msg-avail'>...</span></td><td>Andreas Enge</td></tr>
<tr><td><span title='2022-07-03 14:12:32 +0200'>2022-07-03</span></td><td><a href='/guix/commit/etc/teams.scm.in?id=4eaf90470f466b3fdab87f6961cb18bb348d433f'>etc: Add teams.scm.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>