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/* Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
This file is part of Guix.
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.
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 Guix. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <types.hh>
#include "shared.hh"
#include <globals.hh>
#include <stdlib.h>
#include <argp.h>
/* Variables used by `nix-daemon.cc'. */
volatile ::sig_atomic_t blockInt;
char **argvSaved;
using namespace nix;
/* Entry point in `nix-daemon.cc'. */
extern void run (Strings args);
/* Command-line options. */
const char *argp_program_version =
"guix-daemon (" PACKAGE_NAME ") " PACKAGE_VERSION;
const char *argp_program_bug_address = PACKAGE_BUGREPORT;
static char doc[] =
"guix-daemon -- perform derivation builds and store accesses\
\v\
This program is a daemon meant to run in the background. It serves \
requests sent over a Unix-domain socket. It accesses the store, and \
builds derivations on behalf of its clients.";
#define GUIX_OPT_SYSTEM 1
#define GUIX_OPT_DISABLE_CHROOT 2
#define GUIX_OPT_DISABLE_LOG_COMPRESSION 3
static const struct argp_option options[] =
{
{ "system", GUIX_OPT_SYSTEM, "SYSTEM", 0,
"Assume SYSTEM as the current system type" },
{ "build-cores", 'C', "N", 0,
"Use N CPU cores to build each derivation; 0 means as many as available" },
{ "max-jobs", 'M', "N", 0,
"Allow at most N build jobs" },
{ "disable-chroot", GUIX_OPT_DISABLE_CHROOT, 0, 0,
"Disable chroot builds"
#ifndef HAVE_CHROOT
" (chroots are not supported in this configuration, so "
"this option has no effect)"
#endif
},
{ "disable-log-compression", GUIX_OPT_DISABLE_LOG_COMPRESSION, 0, 0,
"Disable compression of the build logs" },
{ 0, 0, 0, 0, 0 }
};
/* Parse a single option. */
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case GUIX_OPT_DISABLE_CHROOT:
settings.useChroot = false;
break;
case GUIX_OPT_DISABLE_LOG_COMPRESSION:
settings.compressLog = false;
break;
case 'C':
settings.buildCores = atoi (arg);
break;
case 'M':
settings.maxBuildJobs = atoi (arg);
break;
case GUIX_OPT_SYSTEM:
settings.thisSystem = arg;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
/* Argument parsing. */
static struct argp argp = { options, parse_opt, 0, doc };
int
main (int argc, char *argv[])
{
Strings nothing;
#ifdef HAVE_CHROOT
settings.useChroot = true;
#else
settings.useChroot = false;
#endif
settings.processEnvironment ();
argp_parse (&argp, argc, argv, 0, 0, 0);
argvSaved = argv;
run (nothing);
}
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