src/pacman/database.c

   1 /*
   2  *  database.c
   3  *
   4  *  Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
   5  *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdio.h>
  24
  25 #include <alpm.h>
  26 #include <alpm_list.h>
  27
  28 /* pacman */
  29 #include "pacman.h"
  30 #include "conf.h"
  31 #include "util.h"
  32
  33 /**
  34  * @brief Modify the 'local' package database.
  35  *
  36  * @param targets a list of packages (as strings) to modify
  37  *
  38  * @return 0 on success, 1 on failure
  39  */
  40 int pacman_database(alpm_list_t *targets)
  41 {
  42         alpm_list_t *i;
  43         alpm_db_t *db_local;
  44         int retval = 0;
  45         alpm_pkgreason_t reason;
  46
  47         if(targets == NULL) {
  48                 pm_printf(PM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
  49                 return 1;
  50         }
  51
  52         if(config->flags & PM_TRANS_FLAG_ALLDEPS) { /* --asdeps */
  53                 reason = PM_PKG_REASON_DEPEND;
  54         } else if(config->flags & PM_TRANS_FLAG_ALLEXPLICIT) { /* --asexplicit */
  55                 reason = PM_PKG_REASON_EXPLICIT;
  56         } else {
  57                 pm_printf(PM_LOG_ERROR, _("no install reason specified (use -h for help)\n"));
  58                 return 1;
  59         }
  60
  61         /* Lock database */
  62         if(trans_init(0) == -1) {
  63                 return 1;
  64         }
  65
  66         db_local = alpm_option_get_localdb(config->handle);
  67         for(i = targets; i; i = alpm_list_next(i)) {
  68                 char *pkgname = i->data;
  69                 if(alpm_db_set_pkgreason(db_local, pkgname, reason) == -1) {
  70                         pm_printf(PM_LOG_ERROR, _("could not set install reason for package %s (%s)\n"),
  71                                                         pkgname, alpm_strerror(alpm_errno(config->handle)));
  72                         retval = 1;
  73                 } else {
  74                         if(reason == PM_PKG_REASON_DEPEND) {
  75                                 printf(_("%s: install reason has been set to 'installed as dependency'\n"), pkgname);
  76                         } else {
  77                                 printf(_("%s: install reason has been set to 'explicitly installed'\n"), pkgname);
  78                         }
  79                 }
  80         }
  81
  82         /* Unlock database */
  83         if(trans_release() == -1) {
  84                 return 1;
  85         }
  86         return retval;
  87 }
  88
  89 /* vim: set ts=2 sw=2 noet: */