mirror of
https://github.com/moparisthebest/pacman
synced 2024-08-13 17:03:46 -04:00
e2aa952689
This involves some serious changes and a very messy diff, unfortunately. Signed-off-by: Dan McGee <dan@archlinux.org>
183 lines
4.8 KiB
C
183 lines
4.8 KiB
C
/*
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* remove.c
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*
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* Copyright (c) 2006-2011 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 <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 "util.h"
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#include "conf.h"
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static int remove_target(const char *target)
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{
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pmpkg_t *info;
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pmdb_t *db_local = alpm_option_get_localdb(config->handle);
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alpm_list_t *p;
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if((info = alpm_db_get_pkg(db_local, target)) != NULL) {
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if(alpm_remove_pkg(config->handle, info) == -1) {
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pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n", target,
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alpm_strerror(alpm_errno(config->handle)));
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return -1;
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}
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return 0;
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}
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/* fallback to group */
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pmgrp_t *grp = alpm_db_readgrp(db_local, target);
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if(grp == NULL) {
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pm_fprintf(stderr, PM_LOG_ERROR, "'%s': target not found\n", target);
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return -1;
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}
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for(p = alpm_grp_get_pkgs(grp); p; p = alpm_list_next(p)) {
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pmpkg_t *pkg = alpm_list_getdata(p);
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if(alpm_remove_pkg(config->handle, pkg) == -1) {
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pm_fprintf(stderr, PM_LOG_ERROR, "'%s': %s\n", target,
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alpm_strerror(alpm_errno(config->handle)));
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return -1;
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}
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}
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return 0;
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}
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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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int pacman_remove(alpm_list_t *targets)
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{
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int retval = 0;
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alpm_list_t *i, *data = NULL;
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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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/* Step 0: create a new transaction */
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if(trans_init(config->flags) == -1) {
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return 1;
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}
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/* Step 1: add targets to the created transaction */
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for(i = targets; i; i = alpm_list_next(i)) {
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char *target = alpm_list_getdata(i);
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char *targ = strchr(target, '/');
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if(targ && strncmp(target, "local", 5) == 0) {
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targ++;
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} else {
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targ = target;
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}
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if(remove_target(targ) == -1) {
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retval = 1;
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goto cleanup;
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}
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}
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/* Step 2: prepare the transaction based on its type, targets and flags */
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if(alpm_trans_prepare(config->handle, &data) == -1) {
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enum _pmerrno_t err = alpm_errno(config->handle);
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pm_fprintf(stderr, PM_LOG_ERROR, _("failed to prepare transaction (%s)\n"),
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alpm_strerror(err));
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switch(err) {
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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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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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FREELIST(data);
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break;
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default:
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break;
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}
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retval = 1;
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goto cleanup;
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}
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/* Search for holdpkg in target list */
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int holdpkg = 0;
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for(i = alpm_trans_get_remove(config->handle); i; i = alpm_list_next(i)) {
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pmpkg_t *pkg = alpm_list_getdata(i);
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if(alpm_list_find_str(config->holdpkg, alpm_pkg_get_name(pkg))) {
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pm_printf(PM_LOG_WARNING, _("%s is designated as a HoldPkg.\n"),
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alpm_pkg_get_name(pkg));
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holdpkg = 1;
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}
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}
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if(holdpkg && (noyes(_("HoldPkg was found in target list. Do you want to continue?")) == 0)) {
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retval = 1;
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goto cleanup;
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}
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/* Step 3: actually perform the removal */
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alpm_list_t *pkglist = alpm_trans_get_remove(config->handle);
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if(pkglist == NULL) {
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printf(_(" there is nothing to do\n"));
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goto cleanup; /* we are done */
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}
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if(config->print) {
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print_packages(pkglist);
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goto cleanup;
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}
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/* print targets and ask user confirmation */
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display_targets(pkglist, 0);
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printf("\n");
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if(yesno(_("Do you want to remove these packages?")) == 0) {
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retval = 1;
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goto cleanup;
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}
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if(alpm_trans_commit(config->handle, NULL) == -1) {
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pm_fprintf(stderr, PM_LOG_ERROR, _("failed to commit transaction (%s)\n"),
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alpm_strerror(alpm_errno(config->handle)));
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retval = 1;
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}
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/* Step 4: release transaction resources */
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cleanup:
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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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