mirror of
https://github.com/moparisthebest/pacman
synced 2024-12-23 16:28:50 -05:00
47de7973fd
We were erroring out in the case where a first (possibly bogus) mirror would cause the download process to return a failure code, even though subsequent servers had the file. Signed-off-by: Dan McGee <dan@archlinux.org>
970 lines
28 KiB
C
970 lines
28 KiB
C
/*
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* sync.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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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.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 <sys/types.h> /* off_t */
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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 <stdint.h> /* intmax_t */
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#include <unistd.h>
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#include <limits.h>
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/* libalpm */
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#include "sync.h"
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#include "alpm_list.h"
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#include "log.h"
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#include "package.h"
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#include "db.h"
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#include "deps.h"
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#include "conflict.h"
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#include "trans.h"
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#include "add.h"
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#include "util.h"
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#include "handle.h"
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#include "alpm.h"
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#include "dload.h"
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#include "delta.h"
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#include "remove.h"
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#include "diskspace.h"
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#include "signing.h"
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/** Check for new version of pkg in sync repos
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* (only the first occurrence is considered in sync)
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*/
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pmpkg_t SYMEXPORT *alpm_sync_newversion(pmpkg_t *pkg, alpm_list_t *dbs_sync)
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{
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ASSERT(pkg != NULL, return NULL);
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alpm_list_t *i;
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pmpkg_t *spkg = NULL;
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for(i = dbs_sync; !spkg && i; i = i->next) {
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spkg = _alpm_db_get_pkgfromcache(i->data, alpm_pkg_get_name(pkg));
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}
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if(spkg == NULL) {
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_alpm_log(PM_LOG_DEBUG, "'%s' not found in sync db => no upgrade\n",
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alpm_pkg_get_name(pkg));
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return NULL;
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}
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/* compare versions and see if spkg is an upgrade */
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if(_alpm_pkg_compare_versions(spkg, pkg) > 0) {
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_alpm_log(PM_LOG_DEBUG, "new version of '%s' found (%s => %s)\n",
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alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg),
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alpm_pkg_get_version(spkg));
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return spkg;
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}
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/* spkg is not an upgrade */
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return NULL;
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}
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/** Search for packages to upgrade and add them to the transaction. */
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int SYMEXPORT alpm_sync_sysupgrade(int enable_downgrade)
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{
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alpm_list_t *i, *j, *k;
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pmtrans_t *trans;
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pmdb_t *db_local;
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alpm_list_t *dbs_sync;
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ALPM_LOG_FUNC;
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ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1));
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trans = handle->trans;
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db_local = handle->db_local;
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dbs_sync = handle->dbs_sync;
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1));
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_alpm_log(PM_LOG_DEBUG, "checking for package upgrades\n");
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for(i = _alpm_db_get_pkgcache(db_local); i; i = i->next) {
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pmpkg_t *lpkg = i->data;
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if(_alpm_pkg_find(trans->add, lpkg->name)) {
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_alpm_log(PM_LOG_DEBUG, "%s is already in the target list -- skipping\n", lpkg->name);
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continue;
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}
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/* Search for literal then replacers in each sync database.
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* If found, don't check other databases */
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for(j = dbs_sync; j; j = j->next) {
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pmdb_t *sdb = j->data;
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/* Check sdb */
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pmpkg_t *spkg = _alpm_db_get_pkgfromcache(sdb, lpkg->name);
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if(spkg) {
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/* 1. literal was found in sdb */
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int cmp = _alpm_pkg_compare_versions(spkg, lpkg);
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if(cmp > 0) {
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_alpm_log(PM_LOG_DEBUG, "new version of '%s' found (%s => %s)\n",
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lpkg->name, lpkg->version, spkg->version);
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/* check IgnorePkg/IgnoreGroup */
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if(_alpm_pkg_should_ignore(spkg) || _alpm_pkg_should_ignore(lpkg)) {
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_alpm_log(PM_LOG_WARNING, _("%s: ignoring package upgrade (%s => %s)\n"),
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lpkg->name, lpkg->version, spkg->version);
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} else {
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_alpm_log(PM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
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spkg->name, spkg->version);
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trans->add = alpm_list_add(trans->add, spkg);
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}
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} else if(cmp < 0) {
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if(enable_downgrade) {
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/* check IgnorePkg/IgnoreGroup */
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if(_alpm_pkg_should_ignore(spkg) || _alpm_pkg_should_ignore(lpkg)) {
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_alpm_log(PM_LOG_WARNING, _("%s: ignoring package downgrade (%s => %s)\n"),
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lpkg->name, lpkg->version, spkg->version);
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} else {
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_alpm_log(PM_LOG_WARNING, _("%s: downgrading from version %s to version %s\n"),
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lpkg->name, lpkg->version, spkg->version);
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trans->add = alpm_list_add(trans->add, spkg);
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}
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} else {
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_alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)\n"),
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lpkg->name, lpkg->version, sdb->treename, spkg->version);
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}
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}
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/* jump to next local package */
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break;
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} else {
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/* 2. search for replacers in sdb */
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int found = 0;
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for(k = _alpm_db_get_pkgcache(sdb); k; k = k->next) {
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spkg = k->data;
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if(alpm_list_find_str(alpm_pkg_get_replaces(spkg), lpkg->name)) {
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found = 1;
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/* check IgnorePkg/IgnoreGroup */
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if(_alpm_pkg_should_ignore(spkg) || _alpm_pkg_should_ignore(lpkg)) {
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_alpm_log(PM_LOG_WARNING, _("ignoring package replacement (%s-%s => %s-%s)\n"),
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lpkg->name, lpkg->version, spkg->name, spkg->version);
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continue;
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}
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int doreplace = 0;
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QUESTION(trans, PM_TRANS_CONV_REPLACE_PKG, lpkg, spkg, sdb->treename, &doreplace);
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if(!doreplace) {
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continue;
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}
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/* If spkg is already in the target list, we append lpkg to spkg's
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* removes list */
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pmpkg_t *tpkg = _alpm_pkg_find(trans->add, spkg->name);
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if(tpkg) {
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/* sanity check, multiple repos can contain spkg->name */
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if(tpkg->origin_data.db != sdb) {
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_alpm_log(PM_LOG_WARNING, _("cannot replace %s by %s\n"),
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lpkg->name, spkg->name);
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continue;
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}
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_alpm_log(PM_LOG_DEBUG, "appending %s to the removes list of %s\n",
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lpkg->name, tpkg->name);
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tpkg->removes = alpm_list_add(tpkg->removes, lpkg);
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/* check the to-be-replaced package's reason field */
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if(alpm_pkg_get_reason(lpkg) == PM_PKG_REASON_EXPLICIT) {
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tpkg->reason = PM_PKG_REASON_EXPLICIT;
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}
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} else {
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/* add spkg to the target list */
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/* copy over reason */
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spkg->reason = alpm_pkg_get_reason(lpkg);
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spkg->removes = alpm_list_add(NULL, lpkg);
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_alpm_log(PM_LOG_DEBUG, "adding package %s-%s to the transaction targets\n",
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spkg->name, spkg->version);
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trans->add = alpm_list_add(trans->add, spkg);
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}
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}
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}
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if(found) {
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break; /* jump to next local package */
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}
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}
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}
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}
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return 0;
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}
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/** Find group members across a list of databases.
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* If a member exists in several databases, only the first database is used.
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* IgnorePkg is also handled.
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* @param dbs the list of pmdb_t *
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* @pram name the name of the group
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* @return the list of pmpkg_t * (caller is responsible for alpm_list_free)
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*/
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alpm_list_t SYMEXPORT *alpm_find_grp_pkgs(alpm_list_t *dbs,
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const char *name)
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{
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alpm_list_t *i, *j, *pkgs = NULL, *ignorelist = NULL;
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for(i = dbs; i; i = i->next) {
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pmdb_t *db = i->data;
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pmgrp_t *grp = alpm_db_readgrp(db, name);
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if(!grp)
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continue;
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for(j = alpm_grp_get_pkgs(grp); j; j = j->next) {
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pmpkg_t *pkg = j->data;
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if(_alpm_pkg_find(ignorelist, alpm_pkg_get_name(pkg))) {
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continue;
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}
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if(_alpm_pkg_should_ignore(pkg)) {
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ignorelist = alpm_list_add(ignorelist, pkg);
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int install = 0;
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QUESTION(handle->trans, PM_TRANS_CONV_INSTALL_IGNOREPKG, pkg,
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NULL, NULL, &install);
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if(!install)
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continue;
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}
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if(!_alpm_pkg_find(pkgs, alpm_pkg_get_name(pkg))) {
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pkgs = alpm_list_add(pkgs, pkg);
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}
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}
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}
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alpm_list_free(ignorelist);
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return pkgs;
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}
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/** Compute the size of the files that will be downloaded to install a
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* package.
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* @param newpkg the new package to upgrade to
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*/
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static int compute_download_size(pmpkg_t *newpkg)
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{
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const char *fname;
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char *fpath;
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off_t size = 0;
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if(newpkg->origin != PKG_FROM_SYNCDB) {
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newpkg->infolevel |= INFRQ_DSIZE;
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newpkg->download_size = 0;
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return 0;
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}
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fname = alpm_pkg_get_filename(newpkg);
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ASSERT(fname != NULL, RET_ERR(PM_ERR_PKG_INVALID_NAME, -1));
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fpath = _alpm_filecache_find(fname);
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if(fpath) {
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FREE(fpath);
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size = 0;
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} else if(handle->usedelta) {
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off_t dltsize;
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off_t pkgsize = alpm_pkg_get_size(newpkg);
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dltsize = _alpm_shortest_delta_path(
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alpm_pkg_get_deltas(newpkg),
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alpm_pkg_get_filename(newpkg),
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&newpkg->delta_path);
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if(newpkg->delta_path && (dltsize < pkgsize * MAX_DELTA_RATIO)) {
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_alpm_log(PM_LOG_DEBUG, "using delta size\n");
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size = dltsize;
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} else {
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_alpm_log(PM_LOG_DEBUG, "using package size\n");
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size = alpm_pkg_get_size(newpkg);
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alpm_list_free(newpkg->delta_path);
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newpkg->delta_path = NULL;
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}
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} else {
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size = alpm_pkg_get_size(newpkg);
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}
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_alpm_log(PM_LOG_DEBUG, "setting download size %jd for pkg %s\n",
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(intmax_t)size, alpm_pkg_get_name(newpkg));
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newpkg->infolevel |= INFRQ_DSIZE;
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newpkg->download_size = size;
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return 0;
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}
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int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t *dbs_sync, alpm_list_t **data)
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{
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alpm_list_t *deps = NULL;
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alpm_list_t *unresolvable = NULL;
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alpm_list_t *i, *j;
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alpm_list_t *remove = NULL;
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int ret = 0;
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ALPM_LOG_FUNC;
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ASSERT(db_local != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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if(data) {
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*data = NULL;
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}
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if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
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alpm_list_t *resolved = NULL; /* target list after resolvedeps */
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/* Build up list by repeatedly resolving each transaction package */
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/* Resolve targets dependencies */
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EVENT(trans, PM_TRANS_EVT_RESOLVEDEPS_START, NULL, NULL);
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_alpm_log(PM_LOG_DEBUG, "resolving target's dependencies\n");
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/* build remove list for resolvedeps */
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for(i = trans->add; i; i = i->next) {
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pmpkg_t *spkg = i->data;
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for(j = spkg->removes; j; j = j->next) {
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remove = alpm_list_add(remove, j->data);
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}
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}
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/* Compute the fake local database for resolvedeps (partial fix for the
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* phonon/qt issue) */
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alpm_list_t *localpkgs = alpm_list_diff(_alpm_db_get_pkgcache(db_local),
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trans->add, _alpm_pkg_cmp);
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/* Resolve packages in the transaction one at a time, in addition
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building up a list of packages which could not be resolved. */
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for(i = trans->add; i; i = i->next) {
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pmpkg_t *pkg = i->data;
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if(_alpm_resolvedeps(localpkgs, dbs_sync, pkg, trans->add,
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&resolved, remove, data) == -1) {
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unresolvable = alpm_list_add(unresolvable, pkg);
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}
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/* Else, [resolved] now additionally contains [pkg] and all of its
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dependencies not already on the list */
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}
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alpm_list_free(localpkgs);
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/* If there were unresolvable top-level packages, prompt the user to
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see if they'd like to ignore them rather than failing the sync */
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if(unresolvable != NULL) {
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int remove_unresolvable = 0;
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QUESTION(handle->trans, PM_TRANS_CONV_REMOVE_PKGS, unresolvable,
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NULL, NULL, &remove_unresolvable);
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if(remove_unresolvable) {
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/* User wants to remove the unresolvable packages from the
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transaction. The packages will be removed from the actual
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transaction when the transaction packages are replaced with a
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dependency-reordered list below */
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pm_errno = 0; /* pm_errno was set by resolvedeps */
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if(data) {
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alpm_list_free_inner(*data, (alpm_list_fn_free)_alpm_depmiss_free);
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alpm_list_free(*data);
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*data = NULL;
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}
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} else {
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/* pm_errno is set by resolvedeps */
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alpm_list_free(resolved);
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ret = -1;
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goto cleanup;
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}
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}
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/* Set DEPEND reason for pulled packages */
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for(i = resolved; i; i = i->next) {
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pmpkg_t *pkg = i->data;
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if(!_alpm_pkg_find(trans->add, pkg->name)) {
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pkg->reason = PM_PKG_REASON_DEPEND;
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}
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}
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/* Unresolvable packages will be removed from the target list, so
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we free the transaction specific fields */
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alpm_list_free_inner(unresolvable, (alpm_list_fn_free)_alpm_pkg_free_trans);
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/* re-order w.r.t. dependencies */
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alpm_list_free(trans->add);
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trans->add = _alpm_sortbydeps(resolved, 0);
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alpm_list_free(resolved);
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EVENT(trans, PM_TRANS_EVT_RESOLVEDEPS_DONE, NULL, NULL);
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}
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if(!(trans->flags & PM_TRANS_FLAG_NOCONFLICTS)) {
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/* check for inter-conflicts and whatnot */
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EVENT(trans, PM_TRANS_EVT_INTERCONFLICTS_START, NULL, NULL);
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_alpm_log(PM_LOG_DEBUG, "looking for conflicts\n");
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/* 1. check for conflicts in the target list */
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_alpm_log(PM_LOG_DEBUG, "check targets vs targets\n");
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deps = _alpm_innerconflicts(trans->add);
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for(i = deps; i; i = i->next) {
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pmconflict_t *conflict = i->data;
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pmpkg_t *rsync, *sync, *sync1, *sync2;
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/* have we already removed one of the conflicting targets? */
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sync1 = _alpm_pkg_find(trans->add, conflict->package1);
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sync2 = _alpm_pkg_find(trans->add, conflict->package2);
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if(!sync1 || !sync2) {
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continue;
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}
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_alpm_log(PM_LOG_DEBUG, "conflicting packages in the sync list: '%s' <-> '%s'\n",
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conflict->package1, conflict->package2);
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/* if sync1 provides sync2, we remove sync2 from the targets, and vice versa */
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pmdepend_t *dep1 = _alpm_splitdep(conflict->package1);
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pmdepend_t *dep2 = _alpm_splitdep(conflict->package2);
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if(_alpm_depcmp(sync1, dep2)) {
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rsync = sync2;
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sync = sync1;
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} else if(_alpm_depcmp(sync2, dep1)) {
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rsync = sync1;
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sync = sync2;
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} else {
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_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
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pm_errno = PM_ERR_CONFLICTING_DEPS;
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ret = -1;
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if(data) {
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pmconflict_t *newconflict = _alpm_conflict_dup(conflict);
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if(newconflict) {
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*data = alpm_list_add(*data, newconflict);
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}
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}
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alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
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alpm_list_free(deps);
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_alpm_dep_free(dep1);
|
|
_alpm_dep_free(dep2);
|
|
goto cleanup;
|
|
}
|
|
_alpm_dep_free(dep1);
|
|
_alpm_dep_free(dep2);
|
|
|
|
/* Prints warning */
|
|
_alpm_log(PM_LOG_WARNING,
|
|
_("removing '%s' from target list because it conflicts with '%s'\n"),
|
|
rsync->name, sync->name);
|
|
trans->add = alpm_list_remove(trans->add, rsync, _alpm_pkg_cmp, NULL);
|
|
_alpm_pkg_free_trans(rsync); /* rsync is not transaction target anymore */
|
|
continue;
|
|
}
|
|
|
|
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
|
|
alpm_list_free(deps);
|
|
deps = NULL;
|
|
|
|
/* 2. we check for target vs db conflicts (and resolve)*/
|
|
_alpm_log(PM_LOG_DEBUG, "check targets vs db and db vs targets\n");
|
|
deps = _alpm_outerconflicts(db_local, trans->add);
|
|
|
|
for(i = deps; i; i = i->next) {
|
|
pmconflict_t *conflict = i->data;
|
|
|
|
/* if conflict->package2 (the local package) is not elected for removal,
|
|
we ask the user */
|
|
int found = 0;
|
|
for(j = trans->add; j && !found; j = j->next) {
|
|
pmpkg_t *spkg = j->data;
|
|
if(_alpm_pkg_find(spkg->removes, conflict->package2)) {
|
|
found = 1;
|
|
}
|
|
}
|
|
if(found) {
|
|
continue;
|
|
}
|
|
|
|
_alpm_log(PM_LOG_DEBUG, "package '%s' conflicts with '%s'\n",
|
|
conflict->package1, conflict->package2);
|
|
|
|
pmpkg_t *sync = _alpm_pkg_find(trans->add, conflict->package1);
|
|
pmpkg_t *local = _alpm_db_get_pkgfromcache(db_local, conflict->package2);
|
|
int doremove = 0;
|
|
QUESTION(trans, PM_TRANS_CONV_CONFLICT_PKG, conflict->package1,
|
|
conflict->package2, conflict->reason, &doremove);
|
|
if(doremove) {
|
|
/* append to the removes list */
|
|
_alpm_log(PM_LOG_DEBUG, "electing '%s' for removal\n", conflict->package2);
|
|
sync->removes = alpm_list_add(sync->removes, local);
|
|
} else { /* abort */
|
|
_alpm_log(PM_LOG_ERROR, _("unresolvable package conflicts detected\n"));
|
|
pm_errno = PM_ERR_CONFLICTING_DEPS;
|
|
ret = -1;
|
|
if(data) {
|
|
pmconflict_t *newconflict = _alpm_conflict_dup(conflict);
|
|
if(newconflict) {
|
|
*data = alpm_list_add(*data, newconflict);
|
|
}
|
|
}
|
|
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
|
|
alpm_list_free(deps);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
EVENT(trans, PM_TRANS_EVT_INTERCONFLICTS_DONE, NULL, NULL);
|
|
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_conflict_free);
|
|
alpm_list_free(deps);
|
|
}
|
|
|
|
/* Build trans->remove list */
|
|
for(i = trans->add; i; i = i->next) {
|
|
pmpkg_t *spkg = i->data;
|
|
for(j = spkg->removes; j; j = j->next) {
|
|
pmpkg_t *rpkg = j->data;
|
|
if(!_alpm_pkg_find(trans->remove, rpkg->name)) {
|
|
_alpm_log(PM_LOG_DEBUG, "adding '%s' to remove list\n", rpkg->name);
|
|
trans->remove = alpm_list_add(trans->remove, _alpm_pkg_dup(rpkg));
|
|
}
|
|
}
|
|
}
|
|
|
|
if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
|
|
_alpm_log(PM_LOG_DEBUG, "checking dependencies\n");
|
|
deps = alpm_checkdeps(_alpm_db_get_pkgcache(db_local), 1, trans->remove, trans->add);
|
|
if(deps) {
|
|
pm_errno = PM_ERR_UNSATISFIED_DEPS;
|
|
ret = -1;
|
|
if(data) {
|
|
*data = deps;
|
|
} else {
|
|
alpm_list_free_inner(deps, (alpm_list_fn_free)_alpm_depmiss_free);
|
|
alpm_list_free(deps);
|
|
}
|
|
goto cleanup;
|
|
}
|
|
}
|
|
for(i = trans->add; i; i = i->next) {
|
|
/* update download size field */
|
|
pmpkg_t *spkg = i->data;
|
|
if(compute_download_size(spkg) != 0) {
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
cleanup:
|
|
alpm_list_free(unresolvable);
|
|
alpm_list_free(remove);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/** Returns the size of the files that will be downloaded to install a
|
|
* package.
|
|
* @param newpkg the new package to upgrade to
|
|
* @return the size of the download
|
|
*/
|
|
off_t SYMEXPORT alpm_pkg_download_size(pmpkg_t *newpkg)
|
|
{
|
|
if(!(newpkg->infolevel & INFRQ_DSIZE)) {
|
|
compute_download_size(newpkg);
|
|
}
|
|
return newpkg->download_size;
|
|
}
|
|
|
|
static int endswith(const char *filename, const char *extension)
|
|
{
|
|
const char *s = filename + strlen(filename) - strlen(extension);
|
|
return strcmp(s, extension) == 0;
|
|
}
|
|
|
|
/** Applies delta files to create an upgraded package file.
|
|
*
|
|
* All intermediate files are deleted, leaving only the starting and
|
|
* ending package files.
|
|
*
|
|
* @param trans the transaction
|
|
*
|
|
* @return 0 if all delta files were able to be applied, 1 otherwise.
|
|
*/
|
|
static int apply_deltas(pmtrans_t *trans)
|
|
{
|
|
alpm_list_t *i;
|
|
int ret = 0;
|
|
const char *cachedir = _alpm_filecache_setup();
|
|
|
|
for(i = trans->add; i; i = i->next) {
|
|
pmpkg_t *spkg = i->data;
|
|
alpm_list_t *delta_path = spkg->delta_path;
|
|
alpm_list_t *dlts = NULL;
|
|
|
|
if(!delta_path) {
|
|
continue;
|
|
}
|
|
|
|
for(dlts = delta_path; dlts; dlts = dlts->next) {
|
|
pmdelta_t *d = dlts->data;
|
|
char *delta, *from, *to;
|
|
char command[PATH_MAX];
|
|
size_t len = 0;
|
|
|
|
delta = _alpm_filecache_find(d->delta);
|
|
/* the initial package might be in a different cachedir */
|
|
if(dlts == delta_path) {
|
|
from = _alpm_filecache_find(d->from);
|
|
} else {
|
|
/* len = cachedir len + from len + '/' + null */
|
|
len = strlen(cachedir) + strlen(d->from) + 2;
|
|
CALLOC(from, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, 1));
|
|
snprintf(from, len, "%s/%s", cachedir, d->from);
|
|
}
|
|
len = strlen(cachedir) + strlen(d->to) + 2;
|
|
CALLOC(to, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, 1));
|
|
snprintf(to, len, "%s/%s", cachedir, d->to);
|
|
|
|
/* build the patch command */
|
|
if(endswith(to, ".gz")) {
|
|
/* special handling for gzip : we disable timestamp with -n option */
|
|
snprintf(command, PATH_MAX, "xdelta3 -d -q -R -c -s %s %s | gzip -n > %s", from, delta, to);
|
|
} else {
|
|
snprintf(command, PATH_MAX, "xdelta3 -d -q -s %s %s %s", from, delta, to);
|
|
}
|
|
|
|
_alpm_log(PM_LOG_DEBUG, "command: %s\n", command);
|
|
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_START, d->to, d->delta);
|
|
|
|
int retval = system(command);
|
|
if(retval == 0) {
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_DONE, NULL, NULL);
|
|
|
|
/* delete the delta file */
|
|
unlink(delta);
|
|
|
|
/* Delete the 'from' package but only if it is an intermediate
|
|
* package. The starting 'from' package should be kept, just
|
|
* as if deltas were not used. */
|
|
if(dlts != delta_path) {
|
|
unlink(from);
|
|
}
|
|
}
|
|
FREE(from);
|
|
FREE(to);
|
|
FREE(delta);
|
|
|
|
if(retval != 0) {
|
|
/* one delta failed for this package, cancel the remaining ones */
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_PATCH_FAILED, NULL, NULL);
|
|
pm_errno = PM_ERR_DLT_PATCHFAILED;
|
|
ret = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/** Compares the md5sum of a file to the expected value.
|
|
*
|
|
* If the md5sum does not match, the user is asked whether the file
|
|
* should be deleted.
|
|
*
|
|
* @param trans the transaction
|
|
* @param filename the absolute path of the file to test
|
|
* @param md5sum the expected md5sum of the file
|
|
*
|
|
* @return 0 if the md5sum matched, 1 if not, -1 in case of errors
|
|
*/
|
|
static int test_md5sum(pmtrans_t *trans, const char *filepath,
|
|
const char *md5sum)
|
|
{
|
|
int ret = _alpm_test_md5sum(filepath, md5sum);
|
|
if(ret == 1) {
|
|
int doremove = 0;
|
|
QUESTION(trans, PM_TRANS_CONV_CORRUPTED_PKG, (char *)filepath,
|
|
NULL, NULL, &doremove);
|
|
if(doremove) {
|
|
unlink(filepath);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int validate_deltas(pmtrans_t *trans, alpm_list_t *deltas,
|
|
alpm_list_t **data)
|
|
{
|
|
int errors = 0, ret = 0;
|
|
alpm_list_t *i;
|
|
|
|
if(!deltas) {
|
|
return 0;
|
|
}
|
|
|
|
/* Check integrity of deltas */
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_INTEGRITY_START, NULL, NULL);
|
|
|
|
for(i = deltas; i; i = i->next) {
|
|
pmdelta_t *d = alpm_list_getdata(i);
|
|
const char *filename = alpm_delta_get_filename(d);
|
|
char *filepath = _alpm_filecache_find(filename);
|
|
const char *md5sum = alpm_delta_get_md5sum(d);
|
|
|
|
if(test_md5sum(trans, filepath, md5sum) != 0) {
|
|
errors++;
|
|
*data = alpm_list_add(*data, strdup(filename));
|
|
}
|
|
FREE(filepath);
|
|
}
|
|
if(errors) {
|
|
pm_errno = PM_ERR_DLT_INVALID;
|
|
return -1;
|
|
}
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_INTEGRITY_DONE, NULL, NULL);
|
|
|
|
/* Use the deltas to generate the packages */
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_PATCHES_START, NULL, NULL);
|
|
ret = apply_deltas(trans);
|
|
EVENT(trans, PM_TRANS_EVT_DELTA_PATCHES_DONE, NULL, NULL);
|
|
return ret;
|
|
}
|
|
|
|
static int download_files(pmtrans_t *trans, alpm_list_t **deltas)
|
|
{
|
|
const char *cachedir;
|
|
alpm_list_t *i, *j;
|
|
alpm_list_t *files = NULL;
|
|
int errors = 0;
|
|
|
|
cachedir = _alpm_filecache_setup();
|
|
trans->state = STATE_DOWNLOADING;
|
|
|
|
/* Total progress - figure out the total download size if required to
|
|
* pass to the callback. This function is called once, and it is up to the
|
|
* frontend to compute incremental progress. */
|
|
if(handle->totaldlcb) {
|
|
off_t total_size = (off_t)0;
|
|
/* sum up the download size for each package and store total */
|
|
for(i = trans->add; i; i = i->next) {
|
|
pmpkg_t *spkg = i->data;
|
|
total_size += spkg->download_size;
|
|
}
|
|
handle->totaldlcb(total_size);
|
|
}
|
|
|
|
/* group sync records by repository and download */
|
|
for(i = handle->dbs_sync; i; i = i->next) {
|
|
pmdb_t *current = i->data;
|
|
|
|
for(j = trans->add; j; j = j->next) {
|
|
pmpkg_t *spkg = j->data;
|
|
|
|
if(spkg->origin != PKG_FROM_FILE && current == spkg->origin_data.db) {
|
|
const char *fname = NULL;
|
|
|
|
fname = alpm_pkg_get_filename(spkg);
|
|
ASSERT(fname != NULL, RET_ERR(PM_ERR_PKG_INVALID_NAME, -1));
|
|
alpm_list_t *delta_path = spkg->delta_path;
|
|
if(delta_path) {
|
|
/* using deltas */
|
|
alpm_list_t *dlts;
|
|
for(dlts = delta_path; dlts; dlts = dlts->next) {
|
|
pmdelta_t *delta = dlts->data;
|
|
if(delta->download_size != 0) {
|
|
files = alpm_list_add(files, strdup(delta->delta));
|
|
}
|
|
/* keep a list of all the delta files for md5sums */
|
|
*deltas = alpm_list_add(*deltas, delta);
|
|
}
|
|
|
|
} else if(spkg->download_size != 0) {
|
|
files = alpm_list_add(files, strdup(fname));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
if(files) {
|
|
EVENT(trans, PM_TRANS_EVT_RETRIEVE_START, current->treename, NULL);
|
|
for(j = files; j; j = j->next) {
|
|
const char *filename = j->data;
|
|
alpm_list_t *server;
|
|
int ret = -1;
|
|
for(server = current->servers; server; server = server->next) {
|
|
const char *server_url = server->data;
|
|
char *fileurl;
|
|
size_t len;
|
|
|
|
/* print server + filename into a buffer */
|
|
len = strlen(server_url) + strlen(filename) + 2;
|
|
CALLOC(fileurl, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, -1));
|
|
snprintf(fileurl, len, "%s/%s", server_url, filename);
|
|
|
|
ret = _alpm_download(fileurl, cachedir, 0, 1, 0);
|
|
FREE(fileurl);
|
|
if(ret != -1) {
|
|
break;
|
|
}
|
|
}
|
|
if(ret == -1) {
|
|
errors++;
|
|
}
|
|
}
|
|
|
|
FREELIST(files);
|
|
if(errors) {
|
|
_alpm_log(PM_LOG_WARNING, _("failed to retrieve some files from %s\n"),
|
|
current->treename);
|
|
if(pm_errno == 0) {
|
|
pm_errno = PM_ERR_RETRIEVE;
|
|
}
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
for(j = trans->add; j; j = j->next) {
|
|
pmpkg_t *pkg = j->data;
|
|
pkg->infolevel &= ~INFRQ_DSIZE;
|
|
pkg->download_size = 0;
|
|
}
|
|
|
|
/* clear out value to let callback know we are done */
|
|
if(handle->totaldlcb) {
|
|
handle->totaldlcb(0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, alpm_list_t **data)
|
|
{
|
|
alpm_list_t *i;
|
|
alpm_list_t *deltas = NULL;
|
|
size_t numtargs, current = 0, replaces = 0;
|
|
int errors;
|
|
|
|
ALPM_LOG_FUNC;
|
|
|
|
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
|
|
|
|
if(download_files(trans, &deltas)) {
|
|
alpm_list_free(deltas);
|
|
return -1;
|
|
}
|
|
|
|
if(validate_deltas(trans, deltas, data)) {
|
|
alpm_list_free(deltas);
|
|
return -1;
|
|
}
|
|
alpm_list_free(deltas);
|
|
|
|
/* Check integrity of packages */
|
|
numtargs = alpm_list_count(trans->add);
|
|
EVENT(trans, PM_TRANS_EVT_INTEGRITY_START, NULL, NULL);
|
|
|
|
errors = 0;
|
|
|
|
for(i = trans->add; i; i = i->next, current++) {
|
|
pmpkg_t *spkg = i->data;
|
|
int percent = (current * 100) / numtargs;
|
|
const char *filename;
|
|
char *filepath;
|
|
pgp_verify_t check_sig;
|
|
|
|
PROGRESS(trans, PM_TRANS_PROGRESS_INTEGRITY_START, "", percent,
|
|
numtargs, current);
|
|
if(spkg->origin == PKG_FROM_FILE) {
|
|
continue; /* pkg_load() has been already called, this package is valid */
|
|
}
|
|
|
|
filename = alpm_pkg_get_filename(spkg);
|
|
filepath = _alpm_filecache_find(filename);
|
|
pmdb_t *sdb = alpm_pkg_get_db(spkg);
|
|
check_sig = _alpm_db_get_sigverify_level(sdb);
|
|
|
|
/* load the package file and replace pkgcache entry with it in the target list */
|
|
/* TODO: alpm_pkg_get_db() will not work on this target anymore */
|
|
_alpm_log(PM_LOG_DEBUG, "replacing pkgcache entry with package file for target %s\n", spkg->name);
|
|
pmpkg_t *pkgfile =_alpm_pkg_load_internal(filepath, 1, spkg->md5sum,
|
|
spkg->base64_sig, check_sig);
|
|
if(!pkgfile) {
|
|
errors++;
|
|
*data = alpm_list_add(*data, strdup(filename));
|
|
FREE(filepath);
|
|
continue;
|
|
}
|
|
FREE(filepath);
|
|
pkgfile->reason = spkg->reason; /* copy over install reason */
|
|
i->data = pkgfile;
|
|
_alpm_pkg_free_trans(spkg); /* spkg has been removed from the target list */
|
|
}
|
|
|
|
PROGRESS(trans, PM_TRANS_PROGRESS_INTEGRITY_START, "", 100,
|
|
numtargs, current);
|
|
EVENT(trans, PM_TRANS_EVT_INTEGRITY_DONE, NULL, NULL);
|
|
|
|
|
|
if(errors) {
|
|
RET_ERR(PM_ERR_PKG_INVALID, -1);
|
|
}
|
|
|
|
if(trans->flags & PM_TRANS_FLAG_DOWNLOADONLY) {
|
|
return 0;
|
|
}
|
|
|
|
trans->state = STATE_COMMITING;
|
|
|
|
replaces = alpm_list_count(trans->remove);
|
|
|
|
/* fileconflict check */
|
|
if(!(trans->flags & PM_TRANS_FLAG_FORCE)) {
|
|
EVENT(trans, PM_TRANS_EVT_FILECONFLICTS_START, NULL, NULL);
|
|
|
|
_alpm_log(PM_LOG_DEBUG, "looking for file conflicts\n");
|
|
alpm_list_t *conflict = _alpm_db_find_fileconflicts(db_local, trans,
|
|
trans->add, trans->remove);
|
|
if(conflict) {
|
|
if(data) {
|
|
*data = conflict;
|
|
} else {
|
|
alpm_list_free_inner(conflict, (alpm_list_fn_free)_alpm_fileconflict_free);
|
|
alpm_list_free(conflict);
|
|
}
|
|
RET_ERR(PM_ERR_FILE_CONFLICTS, -1);
|
|
}
|
|
|
|
EVENT(trans, PM_TRANS_EVT_FILECONFLICTS_DONE, NULL, NULL);
|
|
}
|
|
|
|
/* check available disk space */
|
|
if(handle->checkspace) {
|
|
EVENT(trans, PM_TRANS_EVT_DISKSPACE_START, NULL, NULL);
|
|
|
|
_alpm_log(PM_LOG_DEBUG, "checking available disk space\n");
|
|
if(_alpm_check_diskspace(trans, handle->db_local) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "%s\n", _("not enough free disk space"));
|
|
return -1;
|
|
}
|
|
|
|
EVENT(trans, PM_TRANS_EVT_DISKSPACE_DONE, NULL, NULL);
|
|
}
|
|
|
|
/* remove conflicting and to-be-replaced packages */
|
|
if(replaces) {
|
|
_alpm_log(PM_LOG_DEBUG, "removing conflicting and to-be-replaced packages\n");
|
|
/* we want the frontend to be aware of commit details */
|
|
if(_alpm_remove_packages(trans, handle->db_local) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, _("could not commit removal transaction\n"));
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
/* install targets */
|
|
_alpm_log(PM_LOG_DEBUG, "installing packages\n");
|
|
if(_alpm_upgrade_packages(trans, handle->db_local) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, _("could not commit transaction\n"));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* vim: set ts=2 sw=2 noet: */
|