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