src/pacman/add.c


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

/*
 *  add.c
 * 
 *  Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
 * 
 *  This program 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
 *  USA.
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include <alpm.h>
/* pacman */
#include "log.h"
#include "list.h"
#include "download.h"
#include "trans.h"

extern unsigned char pmo_upgrade;
extern unsigned char pmo_flags;

int pacman_add(list_t *targets)
{
  PM_LIST *data;
  list_t *i;

  if(targets == NULL) {
    return(0);
  }

  /* Check for URL targets and process them
   */
  for(i = targets; i; i = i->next) {
    if(strstr(i->data, "://")) {
      char *str = fetch_pkgurl(i->data);
      if(str == NULL) {
        return(1);
      } else {
        free(i->data);
        i->data = str;
      }
    }
  }

  /* Step 1: create a new transaction
   */
  if(alpm_trans_init((pmo_upgrade == 0) ? PM_TRANS_TYPE_ADD : PM_TRANS_TYPE_UPGRADE,
                     pmo_flags, cb_trans_evt, cb_trans_conv) == -1) {
    ERR(NL, "%s\n", alpm_strerror(pm_errno));
    return(1);
  }

  /* and add targets to it */
  MSG(NL, "loading package data... ");
  for(i = targets; i; i = i->next) {
    if(alpm_trans_addtarget(i->data) == -1) {
      ERR(NL, "failed to add target '%s' (%s)\n", (char *)i->data, alpm_strerror(pm_errno));
      return(1);
    }
  }
  MSG(CL, "done.");

  /* Step 2: "compute" the transaction based on targets and flags
   */
  if(alpm_trans_prepare(&data) == -1) {
    PM_LIST *i;

    ERR(NL, "failed to prepare transaction (%s)\n", alpm_strerror(pm_errno));
    switch(pm_errno) {
      case PM_ERR_UNSATISFIED_DEPS:
        for(i = alpm_list_first(data); i; i = alpm_list_next(i)) {
          PM_DEPMISS *miss = alpm_list_getdata(i);

          MSG(NL, ":: %s: requires %s", alpm_dep_getinfo(miss, PM_DEP_TARGET),
                                        alpm_dep_getinfo(miss, PM_DEP_NAME));
          switch((int)alpm_dep_getinfo(miss, PM_DEP_MOD)) {
            case PM_DEP_MOD_EQ: MSG(CL, "=%s", alpm_dep_getinfo(miss, PM_DEP_VERSION));  break;
            case PM_DEP_MOD_GE: MSG(CL, ">=%s", alpm_dep_getinfo(miss, PM_DEP_VERSION)); break;
            case PM_DEP_MOD_LE: MSG(CL, "<=%s", alpm_dep_getinfo(miss, PM_DEP_VERSION)); break;
          }
          MSG(CL, "\n");
        }
        alpm_list_free(data);
      break;
      case PM_ERR_CONFLICTING_DEPS:
        for(i = alpm_list_first(data); i; i = alpm_list_next(i)) {
          PM_DEPMISS *miss = alpm_list_getdata(i);

          MSG(NL, ":: %s: conflicts with %s",
            alpm_dep_getinfo(miss, PM_DEP_TARGET), alpm_dep_getinfo(miss, PM_DEP_NAME));
        }
        alpm_list_free(data);
      break;
      case PM_ERR_FILE_CONFLICTS:
        for(i = alpm_list_first(data); i; i = alpm_list_next(i)) {
          MSG(NL, ":: %s\n", (char *)alpm_list_getdata(i));
        }
        alpm_list_free(data);
        MSG(NL, "\nerrors occurred, no packages were upgraded.\n");
      break;
      default:
      break;
    }
    alpm_trans_release();
    return(1);
  }

  /* Step 3: actually perform the installation
   */
  if(alpm_trans_commit() == -1) {
    ERR(NL, "failed to commit transaction (%s)\n", alpm_strerror(pm_errno));
    return(1);
  }

  return(0);
}

/* vim: set ts=2 sw=2 noet: */