2005-03-14 20:51:43 -05:00
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/*
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* remove.c
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2007-11-16 21:18:45 -05:00
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*
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2007-12-10 23:55:22 -05:00
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* Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
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2007-11-16 21:18:45 -05:00
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*
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2005-03-14 20:51:43 -05:00
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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2007-12-10 23:55:22 -05:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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2005-03-14 20:51:43 -05:00
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*/
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2007-03-05 17:13:33 -05:00
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#include "config.h"
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2005-03-14 20:51:43 -05:00
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <alpm.h>
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2007-01-19 04:28:44 -05:00
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#include <alpm_list.h>
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2007-03-05 17:13:33 -05:00
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2005-03-14 20:51:43 -05:00
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/* pacman */
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2007-04-25 02:21:12 -04:00
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#include "pacman.h"
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2005-03-14 20:51:43 -05:00
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#include "util.h"
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2007-04-25 20:02:07 -04:00
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#include "callback.h"
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2005-10-28 08:20:40 -04:00
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#include "conf.h"
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2005-03-14 20:51:43 -05:00
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2006-11-20 04:10:23 -05:00
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extern pmdb_t *db_local;
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2005-03-14 20:51:43 -05:00
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2007-06-13 11:33:45 -04:00
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/* Free the current transaction and print an error if unsuccessful */
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static int remove_cleanup(void)
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{
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int ret = alpm_trans_release();
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if(ret != 0) {
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pm_printf(PM_LOG_ERROR, _("failed to release transaction (%s)\n"),
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2007-09-08 12:41:45 -04:00
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alpm_strerrorlast());
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2007-06-13 11:33:45 -04:00
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ret = 1;
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}
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return(ret);
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}
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2007-04-25 04:08:49 -04:00
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/**
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* @brief Remove a specified list of packages.
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*
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* @param targets a list of packages (as strings) to remove from the system
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*
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* @return 0 on success, 1 on failure
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*/
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2007-01-19 04:28:44 -05:00
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int pacman_remove(alpm_list_t *targets)
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2005-03-14 20:51:43 -05:00
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{
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2007-06-05 17:34:33 -04:00
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alpm_list_t *i, *data = NULL, *finaltargs = NULL;
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2006-01-26 15:46:48 -05:00
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int retval = 0;
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2005-03-14 20:51:43 -05:00
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if(targets == NULL) {
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2007-06-07 22:20:40 -04:00
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pm_printf(PM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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2007-11-16 21:18:45 -05:00
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/* If the target is a group, ask if its packages should be removed
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2005-03-14 20:51:43 -05:00
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* (the library can't remove groups for now)
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*/
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2007-01-19 04:28:44 -05:00
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for(i = targets; i; i = alpm_list_next(i)) {
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pmgrp_t *grp = alpm_db_readgrp(db_local, alpm_list_getdata(i));
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2005-03-14 20:51:43 -05:00
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if(grp) {
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int all;
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2007-06-05 17:34:33 -04:00
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const alpm_list_t *p, *pkgnames = alpm_grp_get_pkgs(grp);
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2005-03-14 20:51:43 -05:00
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2007-04-26 15:28:54 -04:00
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printf(_(":: group %s:\n"), alpm_grp_get_name(grp));
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2007-01-19 04:28:44 -05:00
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list_display(" ", pkgnames);
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2008-02-18 18:44:09 -05:00
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all = yesno(1, _(" Remove whole content?"));
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2007-01-19 04:28:44 -05:00
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2007-06-05 17:34:33 -04:00
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for(p = pkgnames; p; p = alpm_list_next(p)) {
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char *pkg = alpm_list_getdata(p);
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2008-02-18 18:44:09 -05:00
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if(all || yesno(1, _(":: Remove %s from group %s?"), pkg, (char *)alpm_list_getdata(i))) {
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2007-01-19 04:28:44 -05:00
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finaltargs = alpm_list_add(finaltargs, strdup(pkg));
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2005-03-14 20:51:43 -05:00
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}
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}
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} else {
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/* not a group, so add it to the final targets */
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2007-01-19 04:28:44 -05:00
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finaltargs = alpm_list_add(finaltargs, strdup(alpm_list_getdata(i)));
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2005-03-14 20:51:43 -05:00
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}
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}
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2007-04-25 04:08:49 -04:00
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/* Step 1: create a new transaction */
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if(alpm_trans_init(PM_TRANS_TYPE_REMOVE, config->flags,
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cb_trans_evt, cb_trans_conv, cb_trans_progress) == -1) {
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2007-04-26 16:23:59 -04:00
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fprintf(stderr, _("error: failed to init transaction (%s)\n"),
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2007-09-08 12:41:45 -04:00
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alpm_strerrorlast());
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2006-01-26 15:46:48 -05:00
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if(pm_errno == PM_ERR_HANDLE_LOCK) {
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2007-04-26 15:28:54 -04:00
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printf(_(" if you're sure a package manager is not already\n"
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2007-06-04 10:37:00 -04:00
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" running, you can remove %s.\n"), alpm_option_get_lockfile());
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2006-01-26 15:46:48 -05:00
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}
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FREELIST(finaltargs);
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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2007-04-25 04:08:49 -04:00
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/* add targets to the created transaction */
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2008-02-25 06:10:34 -05:00
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printf(_("loading package data...\n"));
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2007-01-19 04:28:44 -05:00
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for(i = finaltargs; i; i = alpm_list_next(i)) {
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char *targ = alpm_list_getdata(i);
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if(alpm_trans_addtarget(targ) == -1) {
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2008-02-02 19:12:33 -05:00
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fprintf(stderr, _("error: '%s': %s\n"),
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targ, alpm_strerrorlast());
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2007-06-13 11:33:45 -04:00
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remove_cleanup();
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FREELIST(finaltargs);
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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}
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2007-04-25 04:08:49 -04:00
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/* Step 2: prepare the transaction based on its type, targets and flags */
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2005-03-14 20:51:43 -05:00
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if(alpm_trans_prepare(&data) == -1) {
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2007-04-26 16:23:59 -04:00
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fprintf(stderr, _("error: failed to prepare transaction (%s)\n"),
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2007-09-08 12:41:45 -04:00
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alpm_strerrorlast());
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2005-03-14 20:51:43 -05:00
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switch(pm_errno) {
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case PM_ERR_UNSATISFIED_DEPS:
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2007-01-19 04:28:44 -05:00
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for(i = data; i; i = alpm_list_next(i)) {
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pmdepmissing_t *miss = alpm_list_getdata(i);
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2007-07-16 08:08:48 -04:00
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pmdepend_t *dep = alpm_miss_get_dep(miss);
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2007-10-24 20:31:28 -04:00
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char *depstring = alpm_dep_get_string(dep);
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2007-07-16 08:08:48 -04:00
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printf(_(":: %s: requires %s\n"), alpm_miss_get_target(miss),
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2007-10-24 20:31:28 -04:00
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depstring);
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free(depstring);
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2005-03-14 20:51:43 -05:00
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}
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2007-12-08 03:58:49 -05:00
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FREELIST(data);
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2007-04-25 04:08:49 -04:00
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break;
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2005-03-14 20:51:43 -05:00
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default:
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2007-04-25 04:08:49 -04:00
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break;
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2005-03-14 20:51:43 -05:00
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}
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2007-06-13 11:33:45 -04:00
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remove_cleanup();
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FREELIST(finaltargs);
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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2007-04-25 04:08:49 -04:00
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/* Warn user in case of dangerous operation */
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if(config->flags & PM_TRANS_FLAG_RECURSE ||
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config->flags & PM_TRANS_FLAG_CASCADE) {
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2005-03-14 20:51:43 -05:00
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/* list transaction targets */
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2007-01-19 04:28:44 -05:00
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alpm_list_t *lst = NULL;
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2007-04-25 04:08:49 -04:00
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/* create a new list of package names only */
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2007-02-26 03:43:02 -05:00
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for(i = alpm_trans_get_pkgs(); i; i = alpm_list_next(i)) {
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2007-01-19 04:28:44 -05:00
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pmpkg_t *pkg = alpm_list_getdata(i);
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lst = alpm_list_add(lst, strdup(alpm_pkg_get_name(pkg)));
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2005-05-02 03:37:14 -04:00
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}
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2007-04-26 15:28:54 -04:00
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printf("\n");
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2007-02-01 01:35:30 -05:00
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list_display(_("Targets:"), lst);
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2007-01-19 04:28:44 -05:00
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FREELIST(lst);
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2005-03-14 20:51:43 -05:00
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/* get confirmation */
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2008-02-18 18:44:09 -05:00
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if(yesno(1, _("\nDo you want to remove these packages?")) == 0) {
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2007-06-13 11:33:45 -04:00
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remove_cleanup();
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FREELIST(finaltargs);
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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2007-04-26 15:28:54 -04:00
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printf("\n");
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2005-03-14 20:51:43 -05:00
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}
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2007-04-25 04:08:49 -04:00
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/* Step 3: actually perform the removal */
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2006-01-07 13:42:44 -05:00
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if(alpm_trans_commit(NULL) == -1) {
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2007-04-26 16:23:59 -04:00
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fprintf(stderr, _("error: failed to commit transaction (%s)\n"),
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2007-09-08 12:41:45 -04:00
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alpm_strerrorlast());
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2007-06-13 11:33:45 -04:00
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remove_cleanup();
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FREELIST(finaltargs);
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return(1);
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2005-03-14 20:51:43 -05:00
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}
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2007-04-25 04:08:49 -04:00
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/* Step 4: release transaction resources */
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2007-06-13 11:33:45 -04:00
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retval = remove_cleanup();
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2005-03-14 20:51:43 -05:00
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FREELIST(finaltargs);
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2006-01-26 15:46:48 -05:00
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return(retval);
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2005-03-14 20:51:43 -05:00
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}
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/* vim: set ts=2 sw=2 noet: */
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