src/pacman/package.c

   1 /*
   2  *  package.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 <stdlib.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27 #include <limits.h>
  28 #include <errno.h>
  29 #include <wchar.h>
  30
  31 #include <alpm.h>
  32 #include <alpm_list.h>
  33
  34 /* pacman */
  35 #include "package.h"
  36 #include "util.h"
  37
  38 #define CLBUF_SIZE 4096
  39
  40 /* Display the content of a package
  41  *
  42  * levels:
  43  *       <-1 - sync package, extra information (required by) [-Sii]
  44  *        -1 - sync package, normal level [-Si]
  45  *        =0 - file query [-Qip]
  46  *         1 - localdb query, normal level [-Qi]
  47  *        >1 - localdb query, extra information (backup files) [-Qii]
  48  */
  49 void dump_pkg_full(pmpkg_t *pkg, int level)
  50 {
  51         const char *reason;
  52         time_t bdate, idate;
  53         char bdatestr[50] = "", idatestr[50] = "";
  54         const alpm_list_t *i;
  55         alpm_list_t *requiredby = NULL, *depstrings = NULL;
  56
  57         if(pkg == NULL) {
  58                 return;
  59         }
  60
  61         /* set variables here, do all output below */
  62         bdate = alpm_pkg_get_builddate(pkg);
  63         if(bdate) {
  64                 strftime(bdatestr, 50, "%c", localtime(&bdate));
  65         }
  66         idate = alpm_pkg_get_installdate(pkg);
  67         if(idate) {
  68                 strftime(idatestr, 50, "%c", localtime(&idate));
  69         }
  70
  71         switch((long)alpm_pkg_get_reason(pkg)) {
  72                 case PM_PKG_REASON_EXPLICIT:
  73                         reason = _("Explicitly installed");
  74                         break;
  75                 case PM_PKG_REASON_DEPEND:
  76                         reason = _("Installed as a dependency for another package");
  77                         break;
  78                 default:
  79                         reason = _("Unknown");
  80                         break;
  81         }
  82
  83         /* turn depends list into a text list */
  84         for(i = alpm_pkg_get_depends(pkg); i; i = alpm_list_next(i)) {
  85                 pmdepend_t *dep = (pmdepend_t*)alpm_list_getdata(i);
  86                 depstrings = alpm_list_add(depstrings, alpm_dep_compute_string(dep));
  87         }
  88
  89         if(level > 0 || level < -1) {
  90                 /* compute this here so we don't get a pause in the middle of output */
  91                 requiredby = alpm_pkg_compute_requiredby(pkg);
  92         }
  93
  94         /* actual output */
  95         string_display(_("Name           :"), alpm_pkg_get_name(pkg));
  96         string_display(_("Version        :"), alpm_pkg_get_version(pkg));
  97         string_display(_("URL            :"), alpm_pkg_get_url(pkg));
  98         list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg));
  99         list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
 100         list_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
 101         list_display(_("Depends On     :"), depstrings);
 102         list_display_linebreak(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
 103         if(level > 0 || level < -1) {
 104                 list_display(_("Required By    :"), requiredby);
 105         }
 106         list_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg));
 107         list_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg));
 108         if(level < 0) {
 109                 printf(_("Download Size  : %6.2f K\n"),
 110                         (double)alpm_pkg_get_size(pkg) / 1024.0);
 111         }
 112         if(level == 0) {
 113                 printf(_("Compressed Size: %6.2f K\n"),
 114                         (double)alpm_pkg_get_size(pkg) / 1024.0);
 115         }
 116
 117         printf(_("Installed Size : %6.2f K\n"),
 118                         (double)alpm_pkg_get_isize(pkg) / 1024.0);
 119         string_display(_("Packager       :"), alpm_pkg_get_packager(pkg));
 120         string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg));
 121         string_display(_("Build Date     :"), bdatestr);
 122         if(level > 0) {
 123                 string_display(_("Install Date   :"), idatestr);
 124                 string_display(_("Install Reason :"), reason);
 125         }
 126         if(level >= 0) {
 127                 string_display(_("Install Script :"),
 128                                 alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"));
 129         }
 130
 131         /* MD5 Sum for sync package */
 132         if(level < 0) {
 133                 string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg));
 134         }
 135         string_display(_("Description    :"), alpm_pkg_get_desc(pkg));
 136
 137         /* Print additional package info if info flag passed more than once */
 138         if(level > 1) {
 139                 dump_pkg_backups(pkg);
 140         }
 141
 142         /* final newline to separate packages */
 143         printf("\n");
 144
 145         FREELIST(depstrings);
 146         FREELIST(requiredby);
 147 }
 148
 149 /* Display the content of a sync package
 150  */
 151 void dump_pkg_sync(pmpkg_t *pkg, const char *treename, int level)
 152 {
 153         if(pkg == NULL) {
 154                 return;
 155         }
 156         string_display(_("Repository     :"), treename);
 157         /* invert the level since we are a sync package */
 158         dump_pkg_full(pkg, -level);
 159 }
 160
 161 static const char *get_backup_file_status(const char *root,
 162                 const char *filename, const char *expected_md5)
 163 {
 164         char path[PATH_MAX];
 165         char *ret;
 166
 167         snprintf(path, PATH_MAX, "%s%s", root, filename);
 168
 169         /* if we find the file, calculate checksums, otherwise it is missing */
 170         if(access(path, R_OK) == 0) {
 171                 char *md5sum = alpm_compute_md5sum(path);
 172
 173                 if(md5sum == NULL) {
 174                         pm_fprintf(stderr, PM_LOG_ERROR,
 175                                         _("could not calculate checksums for %s\n"), path);
 176                         return(NULL);
 177                 }
 178
 179                 /* if checksums don't match, file has been modified */
 180                 if (strcmp(md5sum, expected_md5) != 0) {
 181                         ret = "MODIFIED";
 182                 } else {
 183                         ret = "UNMODIFIED";
 184                 }
 185                 free(md5sum);
 186         } else {
 187                 switch(errno) {
 188                         case EACCES:
 189                                 ret = "UNREADABLE";
 190                                 break;
 191                         case ENOENT:
 192                                 ret = "MISSING";
 193                                 break;
 194                         default:
 195                                 ret = "UNKNOWN";
 196                 }
 197         }
 198         return(ret);
 199 }
 200
 201 /* Display list of backup files and their modification states
 202  */
 203 void dump_pkg_backups(pmpkg_t *pkg)
 204 {
 205         alpm_list_t *i;
 206         const char *root = alpm_option_get_root();
 207         printf(_("Backup Files:\n"));
 208         if(alpm_pkg_get_backup(pkg)) {
 209                 /* package has backup files, so print them */
 210                 for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
 211                         const char *value;
 212                         char *str = strdup(alpm_list_getdata(i));
 213                         char *ptr = strchr(str, '\t');
 214                         if(ptr == NULL) {
 215                                 free(str);
 216                                 continue;
 217                         }
 218                         *ptr = '\0';
 219                         ptr++;
 220                         value = get_backup_file_status(root, str, ptr);
 221                         printf("%s\t%s%s\n", value, root, str);
 222                         free(str);
 223                 }
 224         } else {
 225                 /* package had no backup files */
 226                 printf(_("(none)\n"));
 227         }
 228 }
 229
 230 /* List all files contained in a package
 231  */
 232 void dump_pkg_files(pmpkg_t *pkg, int quiet)
 233 {
 234         const char *pkgname, *root, *filestr;
 235         alpm_list_t *i, *pkgfiles;
 236
 237         pkgname = alpm_pkg_get_name(pkg);
 238         pkgfiles = alpm_pkg_get_files(pkg);
 239         root = alpm_option_get_root();
 240
 241         for(i = pkgfiles; i; i = alpm_list_next(i)) {
 242                 filestr = alpm_list_getdata(i);
 243                 if(!quiet){
 244                         fprintf(stdout, "%s %s%s\n", pkgname, root, filestr);
 245                 } else {
 246                         fprintf(stdout, "%s%s\n", root, filestr);
 247                 }
 248         }
 249
 250         fflush(stdout);
 251 }
 252
 253 /* Display the changelog of a package
 254  */
 255 void dump_pkg_changelog(pmpkg_t *pkg)
 256 {
 257         void *fp = NULL;
 258
 259         if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
 260                 pm_fprintf(stderr, PM_LOG_ERROR, _("no changelog available for '%s'.\n"),
 261                                 alpm_pkg_get_name(pkg));
 262                 return;
 263         } else {
 264                 /* allocate a buffer to get the changelog back in chunks */
 265                 char buf[CLBUF_SIZE];
 266                 size_t ret = 0;
 267                 while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
 268                         if(ret < CLBUF_SIZE) {
 269                                 /* if we hit the end of the file, we need to add a null terminator */
 270                                 *(buf + ret) = '\0';
 271                         }
 272                         printf("%s", buf);
 273                 }
 274                 alpm_pkg_changelog_close(pkg, fp);
 275                 printf("\n");
 276         }
 277 }
 278
 279 /* vim: set ts=2 sw=2 noet: */