diff options
Diffstat (limited to 'src/pacman/upgrade.c')
| -rw-r--r-- | src/pacman/upgrade.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/pacman/upgrade.c b/src/pacman/upgrade.c new file mode 100644 index 00000000..e5626516 --- /dev/null +++ b/src/pacman/upgrade.c @@ -0,0 +1,171 @@ +/* + * upgrade.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 <alpm.h> +#include <alpm_list.h> + +/* pacman */ +#include "pacman.h" +#include "callback.h" +#include "conf.h" +#include "util.h" + +/* Free the current transaction and print an error if unsuccessful */ +static int upgrade_cleanup(void) +{ + int ret = alpm_trans_release(); + if(ret != 0) { + pm_printf(PM_LOG_ERROR, _("failed to release transaction (%s)\n"), + alpm_strerrorlast()); + ret = 1; + } + + return(ret); +} + +/** + * @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; + pmtranstype_t transtype = PM_TRANS_TYPE_UPGRADE; + 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(i->data); + if(str == NULL) { + return(1); + } else { + free(i->data); + i->data = str; + } + } + } + + /* Step 1: create a new transaction */ + if(alpm_trans_init(transtype, config->flags, cb_trans_evt, + cb_trans_conv, cb_trans_progress) == -1) { + /* TODO: error messages should be in the front end, not the back */ + fprintf(stderr, _("error: %s\n"), alpm_strerrorlast()); + if(pm_errno == PM_ERR_HANDLE_LOCK) { + /* TODO this and the 2 other places should probably be on stderr */ + printf(_(" if you're sure a package manager is not already\n" + " running, you can remove %s.\n"), alpm_option_get_lockfile()); + } + return(1); + } + + /* add targets to the created transaction */ + printf(_("loading package data...\n")); + for(i = targets; i; i = alpm_list_next(i)) { + char *targ = alpm_list_getdata(i); + if(alpm_trans_addtarget(targ) == -1) { + fprintf(stderr, _("error: '%s': %s\n"), + targ, alpm_strerrorlast()); + upgrade_cleanup(); + return(1); + } + } + + /* Step 2: "compute" the transaction based on targets and flags */ + /* TODO: No, compute nothing. This is stupid. */ + if(alpm_trans_prepare(&data) == -1) { + fprintf(stderr, _("error: failed to prepare transaction (%s)\n"), + alpm_strerrorlast()); + switch(pm_errno) { + 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_get_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); + printf(_(":: %s: conflicts with %s\n"), + alpm_conflict_get_package1(conflict), alpm_conflict_get_package2(conflict)); + } + break; + 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; + } + } + printf(_("\nerrors occurred, no packages were upgraded.\n")); + break; + default: + break; + } + upgrade_cleanup(); + FREELIST(data); + return(1); + } + alpm_list_free(data); + + /* Step 3: perform the installation */ + if(alpm_trans_commit(NULL) == -1) { + fprintf(stderr, _("error: failed to commit transaction (%s)\n"), alpm_strerrorlast()); + upgrade_cleanup(); + return(1); + } + + retval = upgrade_cleanup(); + return(retval); +} + +/* vim: set ts=2 sw=2 noet: */ |