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path: root/src/pacman/trans.c
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/*
 *  trans.c
 * 
 *  Copyright (c) 2002-2006 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 "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <libintl.h>

#include <alpm.h>
/* pacman */
#include "util.h"
#include "log.h"
#include "trans.h"
#include "conf.h"

#define LOG_STR_LEN 256

extern config_t *config;

static int prevpercent=0/* for less progressbar output */

/* Callback to handle transaction events
 */
void cb_trans_evt(pmtransevt_t event, void *data1, void *data2)
{
  char str[LOG_STR_LEN] = "";

  switch(event) {
    case PM_TRANS_EVT_CHECKDEPS_START:
      MSG(NL, _("checking dependencies... "));
      break;
    case PM_TRANS_EVT_FILECONFLICTS_START:
      if(config->noprogressbar) {
      MSG(NL, _("checking for file conflicts... "));
      }
      break;
    case PM_TRANS_EVT_CLEANUP_START:
      MSG(NL, _("cleaning up... "));
      break;
    case PM_TRANS_EVT_RESOLVEDEPS_START:
      MSG(NL, _("resolving dependencies... "));
      break;
    case PM_TRANS_EVT_INTERCONFLICTS_START:
      MSG(NL, _("looking for inter-conflicts... "));
      break;
    case PM_TRANS_EVT_FILECONFLICTS_DONE:
      if(config->noprogressbar) {
        MSG(CL, _("done.\n"));
      }
      break;
    case PM_TRANS_EVT_CHECKDEPS_DONE:
    case PM_TRANS_EVT_CLEANUP_DONE:
    case PM_TRANS_EVT_RESOLVEDEPS_DONE:
    case PM_TRANS_EVT_INTERCONFLICTS_DONE:
      MSG(CL, _("done.\n"));
      break;
    case PM_TRANS_EVT_EXTRACT_DONE:
      if(config->noprogressbar) {
        MSG(CL, _("done.\n"));
      }
      break;
    case PM_TRANS_EVT_ADD_START:
      if(config->noprogressbar) {
        MSG(NL, _("installing %s... "), alpm_pkg_get_name(data1));
      }
      break;
    case PM_TRANS_EVT_ADD_DONE:
      if(config->noprogressbar) {
        MSG(CL, _("done.\n"));
      }
      snprintf(str, LOG_STR_LEN, _("installed %s (%s)"),
               alpm_pkg_get_name(data1),
               alpm_pkg_get_version(data1));
      alpm_logaction(str);
      break;
    case PM_TRANS_EVT_REMOVE_START:
      if(config->noprogressbar) {
      MSG(NL, _("removing %s... "), alpm_pkg_get_name(data1));
      }
      break;
    case PM_TRANS_EVT_REMOVE_DONE:
      if(config->noprogressbar) {
          MSG(CL, _("done.\n"));
      }
      snprintf(str, LOG_STR_LEN, _("removed %s (%s)"),
               alpm_pkg_get_name(data1),
               alpm_pkg_get_version(data1));
      alpm_logaction(str);
      break;
    case PM_TRANS_EVT_UPGRADE_START:
      if(config->noprogressbar) {
        MSG(NL, _("upgrading %s... "), alpm_pkg_get_name(data1));
      }
      break;
    case PM_TRANS_EVT_UPGRADE_DONE:
      if(config->noprogressbar) {
        MSG(CL, _("done.\n"));
      }
      snprintf(str, LOG_STR_LEN, _("upgraded %s (%s -> %s)"),
               (char *)alpm_pkg_get_name(data1),
               (char *)alpm_pkg_get_version(data2),
               (char *)alpm_pkg_get_version(data1));
      alpm_logaction(str);
      break;
    case PM_TRANS_EVT_INTEGRITY_START:
      MSG(NL, _("checking package integrity... "));
      break;
    case PM_TRANS_EVT_INTEGRITY_DONE:
      MSG(CL, _("done.\n"));
      break;
    case PM_TRANS_EVT_SCRIPTLET_INFO:
      MSG(NL, "%s\n", (char*)data1);
      break;
    case PM_TRANS_EVT_SCRIPTLET_START:
      MSG(NL, (char*)data1);
      MSG(CL, "...");
      break;
    case PM_TRANS_EVT_SCRIPTLET_DONE:
      if(!(long)data1) {
        MSG(CL, _("done.\n"));
      } else {
        MSG(CL, _("failed.\n"));
      }
      break;
    case PM_TRANS_EVT_PRINTURI:
      MSG(NL, "%s/%s\n", (char*)data1, (char*)data2);
      break;
    case PM_TRANS_EVT_RETRIEVE_START:
      MSG(NL, _(":: Retrieving packages from %s...\n"), (char*)data1);
      fflush(stdout);
      break;
  }
}

void cb_trans_conv(pmtransconv_t event, void *data1, void *data2,
                   void *data3, int *response)
{
  char str[LOG_STR_LEN] = "";

  switch(event) {
    case PM_TRANS_CONV_INSTALL_IGNOREPKG:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_INSTALL_IGNOREPKG) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        snprintf(str, LOG_STR_LEN, _(":: %s requires %s, but it is in IgnorePkg. Install anyway? [Y/n] "),
                 alpm_pkg_get_name(data1),
                 alpm_pkg_get_name(data2));
        *response = yesno(str);
      }
      break;
    case PM_TRANS_CONV_REMOVE_HOLDPKG:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_REMOVE_HOLDPKG) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        snprintf(str, LOG_STR_LEN, _(":: %s is designated as a HoldPkg. Remove anyway? [Y/n] "),
                 alpm_pkg_get_name(data1));
        *response = yesno(str);
      }
      break;
    case PM_TRANS_CONV_REPLACE_PKG:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_REPLACE_PKG) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        snprintf(str, LOG_STR_LEN, _(":: Replace %s with %s/%s? [Y/n] "),
                 alpm_pkg_get_name(data1),
                 (char *)data3,
                 alpm_pkg_get_name(data2));
        *response = yesno(str);
      }
      break;
    case PM_TRANS_CONV_CONFLICT_PKG:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_CONFLICT_PKG) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        snprintf(str, LOG_STR_LEN, _(":: %s conflicts with %s. Remove %s? [Y/n] "),
                 (char *)data1,
                 (char *)data2,
                 (char *)data2);
        *response = yesno(str);
      }
      break;
    case PM_TRANS_CONV_LOCAL_NEWER:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_LOCAL_NEWER) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        if(!config->op_s_downloadonly) {
          snprintf(str, LOG_STR_LEN, _(":: %s-%s: local version is newer. Upgrade anyway? [Y/n] "),
                 alpm_pkg_get_name(data1),
                 alpm_pkg_get_version(data1));
          *response = yesno(str);
        } else {
          *response = 1;
        }
      }
      break;
    case PM_TRANS_CONV_LOCAL_UPTODATE:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_LOCAL_UPTODATE) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        if(!config->op_s_downloadonly) {
          snprintf(str, LOG_STR_LEN, _(":: %s-%s: local version is up to date. Upgrade anyway? [Y/n] "),
                 alpm_pkg_get_name(data1),
                 alpm_pkg_get_version(data1));
          *response = yesno(str);
        } else {
          *response = 1;
        }
      }
      break;
    case PM_TRANS_CONV_CORRUPTED_PKG:
      if(config->noask) {
        if(config->ask & PM_TRANS_CONV_CORRUPTED_PKG) {
          *response = 1;
        } else {
          *response = 0;
        }
      } else {
        if(!config->noconfirm) {
          snprintf(str, LOG_STR_LEN, _(":: Archive %s is corrupted. Do you want to delete it? [Y/n] "),
                 (char *)data1);
          *response = yesno(str);
        } else {
          *response = 1;
        }
      }
      break;
  }
}

void cb_trans_progress(pmtransprog_t event, char *pkgname, const int percent,
                       const int howmany, const int remain)
{
  float timediff;

  /* size of line to allocate for text printing (e.g. not progressbar) */
  const int infolen = 50;
  int i, digits, textlen, pkglen;
  char *opr = NULL;

  if(config->noprogressbar) {
    return;
  }

  /* XXX: big fat hack: due to the fact that we switch out printf/pm_fprintf,
   * not everything honors our 'neednl' newline hackery.  This forces a newline
   * if we need one before drawing the progress bar */
  MSG(NL,NULL);

  if(percent == 0) {
    set_output_padding(1); /* turn on output padding with ' ' */
    timediff = get_update_timediff(1);
  } else {
    timediff = get_update_timediff(0);
  }

  if(percent > 0 && percent < 100 && !timediff) {
    /* only update the progress bar when
     * a) we first start
     * b) we end the progress
     * c) it has been long enough since the last call
     */
    return;
  }

  /* if no pkgname, percent is too high or unchanged, then return */
  if(!pkgname || percent == prevpercent) {
    return;
  }

  prevpercent=percent;
  switch (event) {
    case PM_TRANS_PROGRESS_ADD_START:
      opr = _("installing");
      break;
    case PM_TRANS_PROGRESS_UPGRADE_START:
      opr = _("upgrading");
      break;
    case PM_TRANS_PROGRESS_REMOVE_START:
      opr = _("removing");
      break;
    case PM_TRANS_PROGRESS_CONFLICTS_START:
      opr = _("checking for file conflicts");
      break;
  }

  /* find # of digits in package counts to scale output */
  digits = 1;
  i = howmany;
  while((i /= 10)) {
    ++digits;
  }

  /* determine room left for non-digits text [not ( 1/12) part] */
  textlen = infolen - 3 - (2 * digits);
  /* room left for package name */
  pkglen = textlen - mbstowcs(NULL, opr, 0) - 1;

  switch (event) {
    case PM_TRANS_PROGRESS_ADD_START:
    case PM_TRANS_PROGRESS_UPGRADE_START:
    case PM_TRANS_PROGRESS_REMOVE_START:
      /* TODO clean up so digits and pkglen aren't passed twice */
      /* TODO we may need some sort of wchar_t wprintf output here in order
       * to get the lengths right, prinf works on bytes and not chars */
      printf("(%*d/%*d%s %-*.*s", digits, remain, digits, howmany,
             opr, pkglen, pkglen, pkgname);
      break;
    case PM_TRANS_PROGRESS_CONFLICTS_START:
      printf("(%*d/%*d%-*s", digits, remain, digits, howmany,
             textlen, opr);
      break;
  }

  /* call refactored fill progress function */
  fill_progress(percent, getcols() - infolen);

  if(percent >= 100) {
    set_output_padding(0); /* restore padding */
  }

}

/* vim: set ts=2 sw=2 noet: */