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/*
* upgrade.c
*
* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@archlinux.org>
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <alpm.h>
#include <alpm_list.h>
/* pacman */
#include "pacman.h"
#include "conf.h"
#include "util.h"
/**
* @brief Upgrade a specified list of packages.
*
* @param targets a list of packages (as strings) to upgrade
*
* @return 0 on success, 1 on failure
*/
int pacman_upgrade(alpm_list_t *targets)
{
alpm_list_t *i, *data = NULL;
pgp_verify_t check_sig = alpm_option_get_default_sigverify(config->handle);
int retval = 0;
if(targets == NULL) {
pm_printf(PM_LOG_ERROR, _("no targets specified (use -h for help)\n"));
return 1;
}
/* Check for URL targets and process them
*/
for(i = targets; i; i = alpm_list_next(i)) {
if(strstr(i->data, "://")) {
char *str = alpm_fetch_pkgurl(config->handle, i->data);
if(str == NULL) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
(char *)i->data, alpm_strerrorlast());
return 1;
} else {
free(i->data);
i->data = str;
}
}
}
/* Step 1: create a new transaction */
if(trans_init(config->flags) == -1) {
return 1;
}
/* add targets to the created transaction */
for(i = targets; i; i = alpm_list_next(i)) {
char *targ = alpm_list_getdata(i);
pmpkg_t *pkg;
if(alpm_pkg_load(targ, 1, check_sig, &pkg) != 0) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
targ, alpm_strerrorlast());
trans_release();
return 1;
}
if(alpm_add_pkg(pkg) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n",
targ, alpm_strerrorlast());
alpm_pkg_free(pkg);
trans_release();
return 1;
}
}
/* Step 2: "compute" the transaction based on targets and flags */
/* TODO: No, compute nothing. This is stupid. */
if(alpm_trans_prepare(config->handle, &data) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to prepare transaction (%s)\n"),
alpm_strerrorlast());
switch(pm_errno) {
case PM_ERR_PKG_INVALID_ARCH:
for(i = data; i; i = alpm_list_next(i)) {
char *pkg = alpm_list_getdata(i);
printf(_(":: package %s does not have a valid architecture\n"), pkg);
}
break;
case PM_ERR_UNSATISFIED_DEPS:
for(i = data; i; i = alpm_list_next(i)) {
pmdepmissing_t *miss = alpm_list_getdata(i);
pmdepend_t *dep = alpm_miss_get_dep(miss);
char *depstring = alpm_dep_compute_string(dep);
/* TODO indicate if the error was a virtual package or not:
* :: %s: requires %s, provided by %s
*/
printf(_(":: %s: requires %s\n"), alpm_miss_get_target(miss),
depstring);
free(depstring);
}
break;
case PM_ERR_CONFLICTING_DEPS:
for(i = data; i; i = alpm_list_next(i)) {
pmconflict_t *conflict = alpm_list_getdata(i);
const char *package1 = alpm_conflict_get_package1(conflict);
const char *package2 = alpm_conflict_get_package2(conflict);
const char *reason = alpm_conflict_get_reason(conflict);
/* only print reason if it contains new information */
if(strcmp(package1, reason) == 0 || strcmp(package2, reason) == 0) {
printf(_(":: %s and %s are in conflict\n"), package1, package2);
} else {
printf(_(":: %s and %s are in conflict (%s)\n"), package1, package2, reason);
}
}
break;
default:
break;
}
trans_release();
FREELIST(data);
return 1;
}
/* Step 3: perform the installation */
if(config->print) {
print_packages(alpm_trans_get_add(config->handle));
trans_release();
return 0;
}
/* print targets and ask user confirmation */
alpm_list_t *packages = alpm_trans_get_add(config->handle);
if(packages == NULL) { /* we are done */
printf(_(" there is nothing to do\n"));
trans_release();
return retval;
}
display_targets(alpm_trans_get_remove(config->handle), 0);
display_targets(alpm_trans_get_add(config->handle), 1);
printf("\n");
int confirm = yesno(_("Proceed with installation?"));
if(!confirm) {
trans_release();
return retval;
}
if(alpm_trans_commit(config->handle, &data) == -1) {
pm_fprintf(stderr, PM_LOG_ERROR, _("failed to commit transaction (%s)\n"),
alpm_strerrorlast());
switch(pm_errno) {
alpm_list_t *i;
case PM_ERR_FILE_CONFLICTS:
for(i = data; i; i = alpm_list_next(i)) {
pmfileconflict_t *conflict = alpm_list_getdata(i);
switch(alpm_fileconflict_get_type(conflict)) {
case PM_FILECONFLICT_TARGET:
printf(_("%s exists in both '%s' and '%s'\n"),
alpm_fileconflict_get_file(conflict),
alpm_fileconflict_get_target(conflict),
alpm_fileconflict_get_ctarget(conflict));
break;
case PM_FILECONFLICT_FILESYSTEM:
printf(_("%s: %s exists in filesystem\n"),
alpm_fileconflict_get_target(conflict),
alpm_fileconflict_get_file(conflict));
break;
}
}
break;
case PM_ERR_PKG_INVALID:
case PM_ERR_DLT_INVALID:
for(i = data; i; i = alpm_list_next(i)) {
char *filename = alpm_list_getdata(i);
printf(_("%s is invalid or corrupted\n"), filename);
}
break;
default:
break;
}
FREELIST(data);
trans_release();
return 1;
}
if(trans_release() == -1) {
retval = 1;
}
return retval;
}
/* vim: set ts=2 sw=2 noet: */
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