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Diffstat (limited to 'nix/nix-daemon/guix-daemon.cc')
| -rw-r--r-- | nix/nix-daemon/guix-daemon.cc | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/nix/nix-daemon/guix-daemon.cc b/nix/nix-daemon/guix-daemon.cc new file mode 100644 index 0000000000..6bbea52196 --- /dev/null +++ b/nix/nix-daemon/guix-daemon.cc @@ -0,0 +1,159 @@ +/* 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_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 + +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 + }, + { 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 '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); +} |