160 lines
4.5 KiB
C
160 lines
4.5 KiB
C
/*
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* upgrade.c
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*
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* Copyright (c) 2006-2009 Pacman Development Team <pacman-dev@archlinux.org>
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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*
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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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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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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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#include <alpm_list.h>
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/* pacman */
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#include "pacman.h"
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#include "conf.h"
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#include "util.h"
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/**
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* @brief Upgrade a specified list of packages.
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*
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* @param targets a list of packages (as strings) to upgrade
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*
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* @return 0 on success, 1 on failure
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*/
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int pacman_upgrade(alpm_list_t *targets)
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{
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alpm_list_t *i, *data = NULL;
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pmtranstype_t transtype = PM_TRANS_TYPE_UPGRADE;
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int retval = 0;
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if(targets == NULL) {
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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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}
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/* Check for URL targets and process them
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*/
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for(i = targets; i; i = alpm_list_next(i)) {
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if(strstr(i->data, "://")) {
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char *str = alpm_fetch_pkgurl(i->data);
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if(str == NULL) {
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return(1);
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} else {
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free(i->data);
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i->data = str;
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}
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}
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}
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/* Step 1: create a new transaction */
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if(trans_init(transtype, config->flags) == -1) {
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return(1);
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}
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/* add targets to the created transaction */
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printf(_("loading package data...\n"));
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for(i = targets; 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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pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
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targ, alpm_strerrorlast());
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trans_release();
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return(1);
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}
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}
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/* Step 2: "compute" the transaction based on targets and flags */
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/* TODO: No, compute nothing. This is stupid. */
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if(alpm_trans_prepare(&data) == -1) {
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pm_fprintf(stderr, PM_LOG_ERROR, _("failed to prepare transaction (%s)\n"),
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alpm_strerrorlast());
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switch(pm_errno) {
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case PM_ERR_PKG_INVALID_ARCH:
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for(i = data; i; i = alpm_list_next(i)) {
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char *pkg = alpm_list_getdata(i);
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printf(_(":: package %s does not have a valid architecture\n"), pkg);
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}
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break;
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case PM_ERR_UNSATISFIED_DEPS:
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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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pmdepend_t *dep = alpm_miss_get_dep(miss);
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char *depstring = alpm_dep_compute_string(dep);
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/* TODO indicate if the error was a virtual package or not:
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* :: %s: requires %s, provided by %s
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*/
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printf(_(":: %s: requires %s\n"), alpm_miss_get_target(miss),
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depstring);
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free(depstring);
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}
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break;
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case PM_ERR_CONFLICTING_DEPS:
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for(i = data; i; i = alpm_list_next(i)) {
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pmconflict_t *conflict = alpm_list_getdata(i);
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printf(_(":: %s: conflicts with %s\n"),
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alpm_conflict_get_package1(conflict), alpm_conflict_get_package2(conflict));
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}
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break;
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case PM_ERR_FILE_CONFLICTS:
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for(i = data; i; i = alpm_list_next(i)) {
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pmfileconflict_t *conflict = alpm_list_getdata(i);
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switch(alpm_fileconflict_get_type(conflict)) {
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case PM_FILECONFLICT_TARGET:
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printf(_("%s exists in both '%s' and '%s'\n"),
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alpm_fileconflict_get_file(conflict),
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alpm_fileconflict_get_target(conflict),
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alpm_fileconflict_get_ctarget(conflict));
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break;
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case PM_FILECONFLICT_FILESYSTEM:
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printf(_("%s: %s exists in filesystem\n"),
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alpm_fileconflict_get_target(conflict),
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alpm_fileconflict_get_file(conflict));
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break;
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}
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}
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printf(_("\nerrors occurred, no packages were upgraded.\n"));
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break;
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default:
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break;
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}
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trans_release();
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FREELIST(data);
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return(1);
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}
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alpm_list_free(data);
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/* Step 3: perform the installation */
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if(alpm_trans_commit(NULL) == -1) {
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pm_fprintf(stderr, PM_LOG_ERROR, _("failed to commit transaction (%s)\n"),
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alpm_strerrorlast());
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trans_release();
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return(1);
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}
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if(trans_release() == -1) {
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retval = 1;
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}
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return(retval);
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}
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/* vim: set ts=2 sw=2 noet: */
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