/* 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;
}

}
oken.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/security-token.scm?id=745edcc4c074237034b3c9176ff7b25ad370b01c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-12-22 00:31:41 +0100'>2023-12-22</span></td><td><a href='/guix/commit/gnu/services/security-token.scm?id=3d6583727ec90732ad7bd97808fd4fca8f6d8bdc'>services: Remove unnecessary references to (gnu build shepherd).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/databases.scm (memcached-shepherd-service): Remove
‘with-imported-modules’ form and ‘modules’ field.
* gnu/services/security-token.scm (pcscd-shepherd-service): Remove
‘with-imported-modules’ form.
* gnu/services/web.scm (hpcguix-web-shepherd-service): Likewise.

Change-Id: Ieb817508f1751e0c1ff551a0e078789a4a813c1c
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-06-25 01:43:08 +0530'>2022-06-25</span></td><td><a href='/guix/commit/gnu/services/security-token.scm?id=037bfd85458dd0b32a6dd85b7c12e85e3dd716ae'>services: pcscd: Use switch-symlinks from (guix build utils).</a><span class='msg-avail'>...<span class='msg-tooltip'>switch-symlinks has been moved to (guix build utils). We need not duplicate it
anymore.

* gnu/services/security-token.scm (pcscd-activation): Use switch-symlinks
from (guix build utils).
</span></span></td><td>Arun Isaac</td></tr>
<tr><td><span title='2021-07-03 20:13:42 +0200'>2021-07-03</span></td><td><a href='/guix/commit/gnu/services/security-token.scm?id=e789ce538ed848bacb8f4eb5742f78b965ccf57c'>services: pcscd: Fix daemon signal handling.</a><span class='msg-avail'>...<span class='msg-tooltip'>"pcscd" wouldn't handle SIGTERM as it inherit ignoring this signal (and
others) from its parent shepherd; fork+exec-command restore signal
handling.  Fixes &lt;https://issues.guix.gnu.org/45202&gt;.

* gnu/services/security-token.scm (pcscd)[start]: Use
fork+exec-command to start "pcscd".
</span></span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2021-06-19 23:49:18 +0200'>2021-06-19</span></td><td><a href='/guix/commit/gnu/services/security-token.scm?id=4bed8486d4c0a4ff142903b8bc1584ce84767355'>services: pcscd: Cleanup socket when started.</a><span class='msg-avail'>...<span class='msg-tooltip'>Otherwise when pcscd doesn't terminate properly (ie. receive a SIGKILL),
it won't start again because of it's socket already existing.

* gnu/services/security-token.scm (pcscd-shepherd-service)[start]:
Remove existing socket file.
</span></span></td><td>Brice Waegeneire</td></tr>