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* nix/nix-daemon/guix-daemon.cc (options)[!HAVE_CHROOT]: Mention that `--disable-chroot' has no effect. (main)[!HAVE_CHROOT]: Set `useChroot' to false.
125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/* Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
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Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
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This file is part of Guix.
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Guix is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at
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your option) any later version.
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Guix is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Guix. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <types.hh>
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#include "shared.hh"
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#include <globals.hh>
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#include <stdlib.h>
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#include <argp.h>
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/* Variables used by `nix-daemon.cc'. */
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volatile ::sig_atomic_t blockInt;
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char **argvSaved;
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using namespace nix;
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/* Entry point in `nix-daemon.cc'. */
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extern void run (Strings args);
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/* Command-line options. */
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const char *argp_program_version =
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"guix-daemon (" PACKAGE_NAME ") " PACKAGE_VERSION;
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const char *argp_program_bug_address = PACKAGE_BUGREPORT;
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static char doc[] =
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"guix-daemon -- perform derivation builds and store accesses\
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\v\
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This program is a daemon meant to run in the background. It serves \
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requests sent over a Unix-domain socket. It accesses the store, and \
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builds derivations on behalf of its clients.";
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#define GUIX_OPT_SYSTEM 1
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#define GUIX_OPT_DISABLE_CHROOT 2
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#define GUIX_OPT_DISABLE_LOG_COMPRESSION 3
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static const struct argp_option options[] =
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{
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{ "system", GUIX_OPT_SYSTEM, "SYSTEM", 0,
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"Assume SYSTEM as the current system type" },
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{ "build-cores", 'C', "N", 0,
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"Use N CPU cores to build each derivation; 0 means as many as available" },
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{ "max-jobs", 'M', "N", 0,
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"Allow at most N build jobs" },
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{ "disable-chroot", GUIX_OPT_DISABLE_CHROOT, 0, 0,
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"Disable chroot builds"
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#ifndef HAVE_CHROOT
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" (chroots are not supported in this configuration, so "
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"this option has no effect)"
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#endif
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},
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{ "disable-log-compression", GUIX_OPT_DISABLE_LOG_COMPRESSION, 0, 0,
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"Disable compression of the build logs" },
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{ 0, 0, 0, 0, 0 }
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};
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/* Parse a single option. */
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static error_t
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parse_opt (int key, char *arg, struct argp_state *state)
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{
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switch (key)
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{
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case GUIX_OPT_DISABLE_CHROOT:
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settings.useChroot = false;
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break;
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case GUIX_OPT_DISABLE_LOG_COMPRESSION:
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settings.compressLog = false;
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break;
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case 'C':
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settings.buildCores = atoi (arg);
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break;
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case 'M':
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settings.maxBuildJobs = atoi (arg);
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break;
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case GUIX_OPT_SYSTEM:
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settings.thisSystem = arg;
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break;
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default:
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return ARGP_ERR_UNKNOWN;
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}
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return 0;
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}
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/* Argument parsing. */
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static struct argp argp = { options, parse_opt, 0, doc };
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int
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main (int argc, char *argv[])
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{
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Strings nothing;
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#ifdef HAVE_CHROOT
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settings.useChroot = true;
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#else
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settings.useChroot = false;
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#endif
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settings.processEnvironment ();
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argp_parse (&argp, argc, argv, 0, 0, 0);
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argvSaved = argv;
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run (nothing);
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}
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