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path: root/src/pacman/package.c
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/*
 *  package.c
 *
 *  Copyright (c) 2002-2007 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, see <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <sys/stat.h>
#include <wchar.h>

#include <alpm.h>
#include <alpm_list.h>

/* pacman */
#include "package.h"
#include "util.h"

#define CLBUF_SIZE 4096

/* Display the content of a package
 *
 * level: <0 - sync package [-Si]
 *        =0 - file query [-Qip]
 *         1 - localdb query, normal level [-Qi]
 *        >1 - localdb query, extra information (backup files) [-Qii]
 */
void dump_pkg_full(pmpkg_t *pkg, int level)
{
  const char *reason, *descheader;
  time_t bdate, idate;
  char bdatestr[50] = "", idatestr[50] = "";
  const alpm_list_t *i;
  alpm_list_t *requiredby = NULL, *depstrings = NULL;
  wchar_t *wcstr;
  int len;

  if(pkg == NULL) {
    return;
  }

  /* set variables here, do all output below */
  bdate = alpm_pkg_get_builddate(pkg);
  if(bdate) {
    strftime(bdatestr, 50"%c", localtime(&bdate));
  }
  idate = alpm_pkg_get_installdate(pkg);
  if(idate) {
    strftime(idatestr, 50"%c", localtime(&idate));
  }

  switch((long)alpm_pkg_get_reason(pkg)) {
    case PM_PKG_REASON_EXPLICIT:
      reason = _("Explicitly installed");
      break;
    case PM_PKG_REASON_DEPEND:
      reason = _("Installed as a dependency for another package");
      break;
    default:
      reason = _("Unknown");
      break;
  }

  /* turn depends list into a text list */
  for(i = alpm_pkg_get_depends(pkg); i; i = alpm_list_next(i)) {
    pmdepend_t *dep = (pmdepend_t*)alpm_list_getdata(i);
    depstrings = alpm_list_add(depstrings, alpm_dep_get_string(dep));
  }

  if(level>0) {
    /* compute this here so we don't get a puase in the middle of output */
    requiredby = alpm_pkg_compute_requiredby(pkg);
  }

  /* actual output */
  string_display(_("Name           :"), alpm_pkg_get_name(pkg));
  string_display(_("Version        :"), alpm_pkg_get_version(pkg));
  string_display(_("URL            :"), alpm_pkg_get_url(pkg));
  list_display(_("Licenses       :"), alpm_pkg_get_licenses(pkg));
  list_display(_("Groups         :"), alpm_pkg_get_groups(pkg));
  list_display(_("Provides       :"), alpm_pkg_get_provides(pkg));
  list_display(_("Depends On     :"), depstrings);
  list_display(_("Optional Deps  :"), alpm_pkg_get_optdepends(pkg));
  /* Only applicable if installed */
  if(level > 0) {
    list_display(_("Required By    :"), requiredby);
    FREELIST(requiredby);
  }
  list_display(_("Conflicts With :"), alpm_pkg_get_conflicts(pkg));
  list_display(_("Replaces       :"), alpm_pkg_get_replaces(pkg));
  if(level < 0) {
    printf(_("Download Size  : %6.2f K\n"),
      (float)alpm_pkg_get_size(pkg) / 1024.0);
  }
  if(level == 0) {
    printf(_("Compressed Size: %6.2f K\n"),
      (float)alpm_pkg_get_size(pkg) / 1024.0);
  }

  printf(_("Installed Size : %6.2f K\n"),
      (float)alpm_pkg_get_isize(pkg) / 1024.0);
  string_display(_("Packager       :"), alpm_pkg_get_packager(pkg));
  string_display(_("Architecture   :"), alpm_pkg_get_arch(pkg));
  string_display(_("Build Date     :"), bdatestr);
  if(level > 0) {
    string_display(_("Install Date   :"), idatestr);
    string_display(_("Install Reason :"), reason);
  }
  if(level >= 0) {
    string_display(_("Install Script :"),
        alpm_pkg_has_scriptlet(pkg) ?  _("Yes") : _("No"));
  }

  /* MD5 Sum for sync package */
  if(level < 0) {
    string_display(_("MD5 Sum        :"), alpm_pkg_get_md5sum(pkg));
  }

  /* printed using a variable to make i18n safe */
  descheader = _("Description    : ");
  /* len goes from # bytes -> # chars -> # cols */
  len = strlen(descheader) + 1;
  wcstr = calloc(len, sizeof(wchar_t));
  len = mbstowcs(wcstr, descheader, len);
  len = wcswidth(wcstr, len);
  free(wcstr);
  /* we can finally print the darn thing */
  printf("%s", descheader);
  indentprint(alpm_pkg_get_desc(pkg), len);
  printf("\n\n");

  /* Print additional package info if info flag passed more than once */
  if(level > 1) {
    dump_pkg_backups(pkg);
    printf("\n");
  }

  FREELIST(depstrings);
}

/* Display the content of a sync package
 */
void dump_pkg_sync(pmpkg_t *pkg, const char *treename)
{
  if(pkg == NULL) {
    return;
  }
  string_display(_("Repository     :"), treename);
  dump_pkg_full(pkg, -1);
}

/* Display list of backup files and their modification states
 */
void dump_pkg_backups(pmpkg_t *pkg)
{
  alpm_list_t *i;
  const char *root = alpm_option_get_root();
  printf(_("Backup Files:\n"));
  if(alpm_pkg_get_backup(pkg)) {
    /* package has backup files, so print them */
    for(i = alpm_pkg_get_backup(pkg); i; i = alpm_list_next(i)) {
      struct stat buf;
      char path[PATH_MAX];
      char *str = strdup(alpm_list_getdata(i));
      char *ptr = index(str, '\t');
      if(ptr == NULL) {
        free(str);
        continue;
      }
      *ptr = '\0';
      ptr++;
      snprintf(path, PATH_MAX-1"%s%s", root, str);
      /* if we find the file, calculate checksums, otherwise it is missing */
      if(!stat(path, &buf)) {
        char *md5sum = alpm_get_md5sum(path);

        if(md5sum == NULL) {
          pm_fprintf(stderr, PM_LOG_ERROR,
            _("could not calculate checksums for %s\n"), path);
          free(str);
          continue;
        }

        /* if checksums don't match, file has been modified */
        if (strcmp(md5sum, ptr)) {
          printf(_("MODIFIED\t%s\n"), path);
        } else {
          printf(_("Not Modified\t%s\n"), path);
        }
        free(md5sum);
      } else {
        printf(_("MISSING\t\t%s\n"), path);
      }
      free(str);
    }
  } else {
    /* package had no backup files */
    printf(_("(none)\n"));
  }
}

/* List all files contained in a package
 */
void dump_pkg_files(pmpkg_t *pkg)
{
  const char *pkgname, *root, *filestr;
  alpm_list_t *i, *pkgfiles;

  pkgname = alpm_pkg_get_name(pkg);
  pkgfiles = alpm_pkg_get_files(pkg);
  root = alpm_option_get_root();

  for(i = pkgfiles; i; i = alpm_list_next(i)) {
    filestr = alpm_list_getdata(i);
    fprintf(stdout"%s %s%s\n", pkgname, root, filestr);
  }

  fflush(stdout);
}

/* Display the changelog of a package
 */
void dump_pkg_changelog(pmpkg_t *pkg)
{
  void *fp = NULL;

  if((fp = alpm_pkg_changelog_open(pkg)) == NULL) {
    pm_fprintf(stderr, PM_LOG_ERROR, _("no changelog available for '%s'.\n"),
        alpm_pkg_get_name(pkg));
    return;
  } else {
    /* allocate a buffer to get the changelog back in chunks */
    char buf[CLBUF_SIZE];
    int ret = 0;
    while((ret = alpm_pkg_changelog_read(buf, CLBUF_SIZE, pkg, fp))) {
      if(ret < CLBUF_SIZE) {
        /* if we hit the end of the file, we need to add a null terminator */
        *(buf + ret) = '\0';
      }
      printf("%s", buf);
    }
    alpm_pkg_changelog_close(pkg, fp);
    printf("\n");
  }
}

/* vim: set ts=2 sw=2 noet: */