summary refs log tree commit diff
path: root/nix/nix-daemon/guix-daemon.cc
blob: 79c719399e6c8927a1562faa7f0989d056cde28b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/* 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 <util.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_BUILD_USERS_GROUP 3
#define GUIX_OPT_CACHE_FAILURES 4
#define GUIX_OPT_LOSE_LOGS 5
#define GUIX_OPT_DISABLE_LOG_COMPRESSION 6
#define GUIX_OPT_DISABLE_STORE_OPTIMIZATION 7
#define GUIX_OPT_IMPERSONATE_LINUX_26 8
#define GUIX_OPT_DEBUG 9

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
    },
    { "build-users-group", GUIX_OPT_BUILD_USERS_GROUP, "GROUP", 0,
      "Perform builds as a user of GROUP" },
    { "cache-failures", GUIX_OPT_CACHE_FAILURES, 0, 0,
      "Cache build failures" },
    { "lose-logs", GUIX_OPT_LOSE_LOGS, 0, 0,
      "Do not keep build logs" },
    { "disable-log-compression", GUIX_OPT_DISABLE_LOG_COMPRESSION, 0, 0,
      "Disable compression of the build logs" },
    { "disable-store-optimization", GUIX_OPT_DISABLE_STORE_OPTIMIZATION, 0, 0,
      "Disable automatic file \"deduplication\" in the store" },
    { "impersonate-linux-2.6", GUIX_OPT_IMPERSONATE_LINUX_26, 0, 0,
      "Impersonate Linux 2.6"
#ifndef HAVE_SYS_PERSONALITY_H
      " (this option has no effect in this configuration)"
#endif
    },
    { "debug", GUIX_OPT_DEBUG, 0, 0,
      "Produce debugging output" },
    { 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 GUIX_OPT_BUILD_USERS_GROUP:
      settings.buildUsersGroup = arg;
      break;
    case GUIX_OPT_DISABLE_STORE_OPTIMIZATION:
      settings.autoOptimiseStore = false;
      break;
    case GUIX_OPT_CACHE_FAILURES:
      settings.cacheFailure = true;
      break;
    case GUIX_OPT_IMPERSONATE_LINUX_26:
      settings.impersonateLinux26 = true;
      break;
    case GUIX_OPT_LOSE_LOGS:
      settings.keepLog = false;
      break;
    case GUIX_OPT_DEBUG:
      verbosity = lvlDebug;
      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 ();

  /* FIXME: Disable substitutes until we have something that works.  */
  settings.useSubstitutes = false;
  settings.substituters.clear ();

  argp_parse (&argp, argc, argv, 0, 0, 0);

  argvSaved = argv;
  run (nothing);
}