mirror of
https://github.com/moparisthebest/pacman
synced 2024-12-23 16:28:50 -05:00
877 lines
26 KiB
C
877 lines
26 KiB
C
/*
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* sync.c
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*
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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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 <fcntl.h>
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#include <string.h>
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#ifdef CYGWIN
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#include <limits.h> /* PATH_MAX */
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#endif
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#include <dirent.h>
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#include <libtar.h>
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#include <zlib.h>
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/* pacman */
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#include "log.h"
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#include "util.h"
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#include "error.h"
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#include "list.h"
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#include "package.h"
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#include "db.h"
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#include "cache.h"
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#include "deps.h"
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#include "conflict.h"
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#include "provide.h"
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#include "trans.h"
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#include "sync.h"
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#include "versioncmp.h"
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#include "handle.h"
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#include "alpm.h"
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extern pmhandle_t *handle;
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pmsyncpkg_t *_alpm_sync_new(int type, pmpkg_t *spkg, void *data)
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{
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pmsyncpkg_t *sync;
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if((sync = (pmsyncpkg_t *)malloc(sizeof(pmsyncpkg_t))) == NULL) {
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_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmsyncpkg_t));
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return(NULL);
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}
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sync->type = type;
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sync->pkg = spkg;
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sync->data = data;
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return(sync);
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}
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void _alpm_sync_free(void *data)
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{
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pmsyncpkg_t *sync = data;
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if(sync == NULL) {
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return;
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}
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if(sync->type == PM_SYNC_TYPE_REPLACE) {
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FREELISTPKGS(sync->data);
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} else {
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FREEPKG(sync->data);
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}
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free(sync);
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}
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/* Test for existence of a package in a PMList* of pmsyncpkg_t*
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* If found, return a pointer to the respective pmsyncpkg_t*
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*/
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static pmsyncpkg_t *find_pkginsync(char *needle, PMList *haystack)
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{
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PMList *i;
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pmsyncpkg_t *sync = NULL;
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int found = 0;
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for(i = haystack; i && !found; i = i->next) {
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sync = i->data;
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if(sync && !strcmp(sync->pkg->name, needle)) {
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found = 1;
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}
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}
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if(!found) {
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sync = NULL;
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}
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return(sync);
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}
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/* It returns a PMList of packages extracted from the given archive
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* (the archive must have been generated by gensync)
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*/
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PMList *_alpm_sync_load_dbarchive(char *archive)
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{
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PMList *lp = NULL;
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DIR *dir = NULL;
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TAR *tar = NULL;
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tartype_t gztype = {
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(openfunc_t)_alpm_gzopen_frontend,
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(closefunc_t)gzclose,
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(readfunc_t)gzread,
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(writefunc_t)gzwrite
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};
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if(tar_open(&tar, archive, &gztype, O_RDONLY, 0, TAR_GNU) == -1) {
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pm_errno = PM_ERR_NOT_A_FILE;
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goto error;
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}
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/* ORE - readdir tmp_dir */
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/* for each subdir, parse %s/desc and %s/depends */
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/* then db_write it */
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tar_close(tar);
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return(lp);
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error:
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if(tar) {
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tar_close(tar);
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}
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if(dir) {
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closedir(dir);
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}
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return(NULL);
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}
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int _alpm_sync_sysupgrade(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync)
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{
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PMList *i, *j, *k;
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/* check for "recommended" package replacements */
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_alpm_log(PM_LOG_FLOW1, "checking for package replacements");
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for(i = dbs_sync; i; i = i->next) {
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for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) {
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pmpkg_t *spkg = j->data;
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for(k = spkg->replaces; k; k = k->next) {
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PMList *m;
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for(m = _alpm_db_get_pkgcache(db_local); m; m = m->next) {
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pmpkg_t *lpkg = m->data;
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if(!strcmp(k->data, lpkg->name)) {
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_alpm_log(PM_LOG_DEBUG, "checking replacement '%s' for package '%s'", k->data, spkg->name);
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if(_alpm_list_is_strin(lpkg->name, handle->ignorepkg)) {
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_alpm_log(PM_LOG_WARNING, "%s-%s: ignoring package upgrade (to be replaced by %s-%s)",
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lpkg->name, lpkg->version, spkg->name, spkg->version);
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} else {
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/* get confirmation for the replacement */
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int doreplace = 0;
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QUESTION(trans, PM_TRANS_CONV_REPLACE_PKG, lpkg, spkg, ((pmdb_t *)i->data)->treename, &doreplace);
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if(doreplace) {
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/* if confirmed, add this to the 'final' list, designating 'lpkg' as
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* the package to replace.
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*/
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pmsyncpkg_t *sync;
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pmpkg_t *dummy = _alpm_pkg_new(lpkg->name, NULL);
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if(dummy == NULL) {
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pm_errno = PM_ERR_MEMORY;
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goto error;
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}
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dummy->requiredby = _alpm_list_strdup(lpkg->requiredby);
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/* check if spkg->name is already in the packages list. */
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sync = find_pkginsync(spkg->name, trans->packages);
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if(sync) {
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/* found it -- just append to the replaces list */
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sync->data = _alpm_list_add(sync->data, dummy);
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} else {
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/* none found -- enter pkg into the final sync list */
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sync = _alpm_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL);
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if(sync == NULL) {
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FREEPKG(dummy);
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pm_errno = PM_ERR_MEMORY;
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goto error;
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}
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sync->data = _alpm_list_add(NULL, dummy);
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trans->packages = _alpm_list_add(trans->packages, sync);
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}
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_alpm_log(PM_LOG_FLOW2, "%s-%s elected for upgrade (to be replaced by %s-%s)",
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lpkg->name, lpkg->version, spkg->name, spkg->version);
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}
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}
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break;
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}
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}
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}
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}
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}
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/* match installed packages with the sync dbs and compare versions */
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_alpm_log(PM_LOG_FLOW1, "checking for package upgrades");
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for(i = _alpm_db_get_pkgcache(db_local); i; i = i->next) {
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int cmp;
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int replace = 0;
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pmpkg_t *local = i->data;
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pmpkg_t *spkg = NULL;
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pmsyncpkg_t *sync;
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for(j = dbs_sync; !spkg && j; j = j->next) {
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spkg = _alpm_db_get_pkgfromcache(j->data, local->name);
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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 -- skipping", local->name);
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continue;
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}
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/* we don't care about a to-be-replaced package's newer version */
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for(j = trans->packages; j && !replace; j = j->next) {
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sync = j->data;
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if(sync->type == PM_SYNC_TYPE_REPLACE) {
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if(_alpm_pkg_isin(spkg->name, sync->data)) {
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replace = 1;
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}
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}
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}
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if(replace) {
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_alpm_log(PM_LOG_DEBUG, "'%s' is already elected for removal -- skipping",
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spkg->name);
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continue;
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}
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/* compare versions and see if we need to upgrade */
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cmp = _alpm_versioncmp(local->version, spkg->version);
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if(cmp > 0 && !spkg->force) {
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/* local version is newer */
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_alpm_log(PM_LOG_WARNING, "%s-%s: local version is newer",
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local->name, local->version);
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} else if(cmp == 0) {
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/* versions are identical */
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} else if(_alpm_list_is_strin(i->data, handle->ignorepkg)) {
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/* package should be ignored (IgnorePkg) */
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_alpm_log(PM_LOG_WARNING, "%s-%s: ignoring package upgrade (%s)",
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local->name, local->version, spkg->version);
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} else {
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_alpm_log(PM_LOG_FLOW2, "%s-%s elected for upgrade (%s => %s)",
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local->name, local->version, local->version, spkg->version);
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if(!find_pkginsync(spkg->name, trans->packages)) {
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pmpkg_t *dummy = _alpm_pkg_new(local->name, local->version);
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if(dummy == NULL) {
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goto error;
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}
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sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy);
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if(sync == NULL) {
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FREEPKG(dummy);
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goto error;
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}
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trans->packages = _alpm_list_add(trans->packages, sync);
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} else {
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/* spkg->name is already in the packages list -- just ignore it */
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}
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}
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}
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return(0);
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error:
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return(-1);
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}
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int _alpm_sync_addtarget(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync, char *name)
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{
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char targline[PKG_FULLNAME_LEN];
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char *targ;
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PMList *j;
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pmpkg_t *local;
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pmpkg_t *spkg = NULL;
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pmsyncpkg_t *sync;
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int cmp;
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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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ASSERT(name != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
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STRNCPY(targline, name, PKG_FULLNAME_LEN);
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targ = strchr(targline, '/');
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if(targ) {
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*targ = '\0';
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targ++;
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for(j = dbs_sync; j && !spkg; j = j->next) {
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pmdb_t *dbs = j->data;
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if(strcmp(dbs->treename, targline) == 0) {
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spkg = _alpm_db_get_pkgfromcache(dbs, targ);
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if(spkg == NULL) {
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/* Search provides */
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PMList *p;
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_alpm_log(PM_LOG_FLOW2, "target '%s' not found -- looking for provisions", targ);
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p = _alpm_db_whatprovides(dbs, targ);
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if(p == NULL) {
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RET_ERR(PM_ERR_PKG_NOT_FOUND, -1);
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}
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_alpm_log(PM_LOG_DEBUG, "found '%s' as a provision for '%s'", p->data, targ);
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spkg = _alpm_db_get_pkgfromcache(dbs, p->data);
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FREELISTPTR(p);
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}
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}
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}
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} else {
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targ = targline;
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for(j = dbs_sync; j && !spkg; j = j->next) {
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pmdb_t *dbs = j->data;
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spkg = _alpm_db_get_pkgfromcache(dbs, targ);
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}
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if(spkg == NULL) {
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/* Search provides */
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_alpm_log(PM_LOG_FLOW2, "target '%s' not found -- looking for provisions", targ);
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for(j = dbs_sync; j && !spkg; j = j->next) {
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pmdb_t *dbs = j->data;
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PMList *p = _alpm_db_whatprovides(dbs, targ);
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if(p) {
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_alpm_log(PM_LOG_DEBUG, "found '%s' as a provision for '%s'", p->data, targ);
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spkg = _alpm_db_get_pkgfromcache(dbs, p->data);
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FREELISTPTR(p);
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}
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}
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}
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}
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if(spkg == NULL) {
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RET_ERR(PM_ERR_PKG_NOT_FOUND, -1);
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}
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local = _alpm_db_get_pkgfromcache(db_local, spkg->name);
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if(local) {
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cmp = _alpm_versioncmp(local->version, spkg->version);
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if(cmp > 0) {
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/* local version is newer -- get confirmation before adding */
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int resp = 0;
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QUESTION(trans, PM_TRANS_CONV_LOCAL_NEWER, local, NULL, NULL, &resp);
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if(!resp) {
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_alpm_log(PM_LOG_WARNING, "%s-%s: local version is newer -- skipping", local->name, local->version);
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return(0);
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}
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} else if(cmp == 0) {
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/* versions are identical -- get confirmation before adding */
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int resp = 0;
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QUESTION(trans, PM_TRANS_CONV_LOCAL_UPTODATE, local, NULL, NULL, &resp);
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if(!resp) {
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_alpm_log(PM_LOG_WARNING, "%s-%s is up to date -- skipping", local->name, local->version);
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return(0);
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}
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}
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}
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/* add the package to the transaction */
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if(!find_pkginsync(spkg->name, trans->packages)) {
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pmpkg_t *dummy = NULL;
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if(local) {
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dummy = _alpm_pkg_new(local->name, local->version);
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if(dummy == NULL) {
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RET_ERR(PM_ERR_MEMORY, -1);
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}
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}
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sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy);
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if(sync == NULL) {
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FREEPKG(dummy);
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RET_ERR(PM_ERR_MEMORY, -1);
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}
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_alpm_log(PM_LOG_FLOW2, "adding target '%s' to the transaction set", spkg->name);
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trans->packages = _alpm_list_add(trans->packages, sync);
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}
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return(0);
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}
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/* Helper function for _alpm_list_remove
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*/
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static int ptr_cmp(const void *s1, const void *s2)
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{
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return(strcmp(((pmsyncpkg_t *)s1)->pkg->name, ((pmsyncpkg_t *)s2)->pkg->name));
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}
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int _alpm_sync_prepare(pmtrans_t *trans, pmdb_t *db_local, PMList *dbs_sync, PMList **data)
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{
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PMList *deps = NULL;
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PMList *list = NULL; /* list allowing checkdeps usage with data from trans->packages */
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PMList *trail = NULL; /* breadcrum list to avoid running into circles */
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PMList *asked = NULL;
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PMList *i, *j;
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int ret = 0;
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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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for(i = trans->packages; i; i = i->next) {
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pmsyncpkg_t *sync = i->data;
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list = _alpm_list_add(list, sync->pkg);
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}
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if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
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trail = _alpm_list_new();
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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_FLOW1, "resolving targets dependencies");
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for(i = trans->packages; i; i = i->next) {
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pmpkg_t *spkg = ((pmsyncpkg_t *)i->data)->pkg;
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if(_alpm_resolvedeps(db_local, dbs_sync, spkg, list, trail, trans, data) == -1) {
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/* pm_errno is set by resolvedeps */
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ret = -1;
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goto cleanup;
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}
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}
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for(i = list; i; i = i->next) {
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/* add the dependencies found by resolvedeps to the transaction set */
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pmpkg_t *spkg = i->data;
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if(!find_pkginsync(spkg->name, trans->packages)) {
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pmsyncpkg_t *sync = _alpm_sync_new(PM_SYNC_TYPE_DEPEND, spkg, NULL);
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if(sync == NULL) {
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ret = -1;
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goto cleanup;
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}
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trans->packages = _alpm_list_add(trans->packages, sync);
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_alpm_log(PM_LOG_FLOW2, "adding package %s-%s to the transaction targets",
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spkg->name, spkg->version);
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}
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}
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EVENT(trans, PM_TRANS_EVT_RESOLVEDEPS_DONE, NULL, NULL);
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_alpm_log(PM_LOG_FLOW1, "looking for unresolvable dependencies");
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deps = _alpm_checkdeps(db_local, PM_TRANS_TYPE_UPGRADE, list);
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if(deps) {
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if(data) {
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*data = deps;
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deps = NULL;
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}
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pm_errno = PM_ERR_UNSATISFIED_DEPS;
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ret = -1;
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goto cleanup;
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}
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FREELISTPTR(trail);
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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_FLOW1, "looking for conflicts");
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deps = _alpm_checkconflicts(db_local, list);
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if(deps) {
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int errorout = 0;
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for(i = deps; i && !errorout; i = i->next) {
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pmdepmissing_t *miss = i->data;
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int found = 0;
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pmsyncpkg_t *sync;
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pmpkg_t *local;
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_alpm_log(PM_LOG_FLOW2, "package '%s' is conflicting with '%s'",
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miss->target, miss->depend.name);
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/* check if the conflicting package is one that's about to be removed/replaced.
|
|
* if so, then just ignore it
|
|
*/
|
|
for(j = trans->packages; j && !found; j = j->next) {
|
|
sync = j->data;
|
|
if(sync->type == PM_SYNC_TYPE_REPLACE) {
|
|
if(_alpm_pkg_isin(miss->depend.name, sync->data)) {
|
|
found = 1;
|
|
}
|
|
}
|
|
}
|
|
if(found) {
|
|
_alpm_log(PM_LOG_FLOW2, "'%s' is already elected for removal -- skipping",
|
|
miss->depend.name);
|
|
continue;
|
|
}
|
|
|
|
sync = find_pkginsync(miss->target, trans->packages);
|
|
if(sync == NULL) {
|
|
_alpm_log(PM_LOG_DEBUG, "'%s' not found in transaction set -- skipping",
|
|
miss->target);
|
|
continue;
|
|
}
|
|
local = _alpm_db_get_pkgfromcache(db_local, miss->depend.name);
|
|
|
|
/* check if this package also "provides" the package it's conflicting with
|
|
*/
|
|
if(_alpm_list_is_strin(miss->depend.name, sync->pkg->provides)) {
|
|
/* so just treat it like a "replaces" item so the REQUIREDBY
|
|
* fields are inherited properly.
|
|
*/
|
|
_alpm_log(PM_LOG_DEBUG, "package '%s' provides its own conflict", miss->target);
|
|
if(local) {
|
|
/* nothing to do for now: it will be handled later
|
|
* (not the same behavior as in pacman 2.x) */
|
|
} else {
|
|
char *rmpkg = NULL;
|
|
int target, depend;
|
|
/* hmmm, depend.name isn't installed, so it must be conflicting
|
|
* with another package in our final list. For example:
|
|
*
|
|
* pacman -S blackbox xfree86
|
|
*
|
|
* If no x-servers are installed and blackbox pulls in xorg, then
|
|
* xorg and xfree86 will conflict with each other. In this case,
|
|
* we should follow the user's preference and rip xorg out of final,
|
|
* opting for xfree86 instead.
|
|
*/
|
|
|
|
/* figure out which one was requested in targets. If they both were,
|
|
* then it's still an unresolvable conflict. */
|
|
target = _alpm_list_is_strin(miss->target, trans->targets);
|
|
depend = _alpm_list_is_strin(miss->depend.name, trans->targets);
|
|
if(depend && !target) {
|
|
_alpm_log(PM_LOG_DEBUG, "'%s' is in the target list -- keeping it",
|
|
miss->depend.name);
|
|
/* remove miss->target */
|
|
rmpkg = miss->target;
|
|
} else if(target && !depend) {
|
|
_alpm_log(PM_LOG_DEBUG, "'%s' is in the target list -- keeping it",
|
|
miss->target);
|
|
/* remove miss->depend.name */
|
|
rmpkg = miss->depend.name;
|
|
} else {
|
|
/* something's not right, bail out with a conflict error */
|
|
}
|
|
if(rmpkg) {
|
|
pmsyncpkg_t *rsync = find_pkginsync(rmpkg, trans->packages);
|
|
pmsyncpkg_t *spkg = NULL;
|
|
_alpm_log(PM_LOG_FLOW2, "removing '%s' from target list", rmpkg);
|
|
trans->packages = _alpm_list_remove(trans->packages, rsync, ptr_cmp, (void **)&spkg);
|
|
FREESYNC(spkg);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* It's a conflict -- see if they want to remove it
|
|
*/
|
|
_alpm_log(PM_LOG_DEBUG, "resolving package '%s' conflict", miss->target);
|
|
if(local) {
|
|
int doremove = 0;
|
|
if(!_alpm_list_is_strin(miss->depend.name, asked)) {
|
|
QUESTION(trans, PM_TRANS_CONV_CONFLICT_PKG, miss->target, miss->depend.name, NULL, &doremove);
|
|
asked = _alpm_list_add(asked, strdup(miss->depend.name));
|
|
if(doremove) {
|
|
pmsyncpkg_t *rsync = find_pkginsync(miss->depend.name, trans->packages);
|
|
pmpkg_t *q = _alpm_pkg_new(miss->depend.name, NULL);
|
|
if(q == NULL) {
|
|
if(data) {
|
|
FREELIST(*data);
|
|
}
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
q->requiredby = _alpm_list_strdup(local->requiredby);
|
|
if(sync->type != PM_SYNC_TYPE_REPLACE) {
|
|
/* switch this sync type to REPLACE */
|
|
sync->type = PM_SYNC_TYPE_REPLACE;
|
|
FREEPKG(sync->data);
|
|
}
|
|
/* append to the replaces list */
|
|
_alpm_log(PM_LOG_FLOW2, "electing '%s' for removal", miss->depend.name);
|
|
sync->data = _alpm_list_add(sync->data, q);
|
|
if(rsync) {
|
|
/* remove it from the target list */
|
|
pmsyncpkg_t *spkg = NULL;
|
|
_alpm_log(PM_LOG_FLOW2, "removing '%s' from target list", miss->depend.name);
|
|
trans->packages = _alpm_list_remove(trans->packages, rsync, ptr_cmp, (void **)&spkg);
|
|
FREESYNC(spkg);
|
|
}
|
|
} else {
|
|
/* abort */
|
|
_alpm_log(PM_LOG_ERROR, "unresolvable package conflicts detected");
|
|
errorout = 1;
|
|
if(data) {
|
|
if((miss = (pmdepmissing_t *)malloc(sizeof(pmdepmissing_t))) == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmdepmissing_t));
|
|
FREELIST(*data);
|
|
pm_errno = PM_ERR_MEMORY;
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
*miss = *(pmdepmissing_t *)i->data;
|
|
*data = _alpm_list_add(*data, miss);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
_alpm_log(PM_LOG_ERROR, "unresolvable package conflicts detected");
|
|
errorout = 1;
|
|
if(data) {
|
|
if((miss = (pmdepmissing_t *)malloc(sizeof(pmdepmissing_t))) == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmdepmissing_t));
|
|
FREELIST(*data);
|
|
pm_errno = PM_ERR_MEMORY;
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
*miss = *(pmdepmissing_t *)i->data;
|
|
*data = _alpm_list_add(*data, miss);
|
|
}
|
|
}
|
|
}
|
|
if(errorout) {
|
|
pm_errno = PM_ERR_CONFLICTING_DEPS;
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
FREELIST(deps);
|
|
FREELIST(asked);
|
|
}
|
|
EVENT(trans, PM_TRANS_EVT_INTERCONFLICTS_DONE, NULL, NULL);
|
|
}
|
|
|
|
FREELISTPTR(list);
|
|
|
|
/* XXX: this fails for cases where a requested package wants
|
|
* a dependency that conflicts with an older version of
|
|
* the package. It will be removed from final, and the user
|
|
* has to re-request it to get it installed properly.
|
|
*
|
|
* Not gonna happen very often, but should be dealt with...
|
|
*/
|
|
|
|
if(!(trans->flags & PM_TRANS_FLAG_NODEPS)) {
|
|
/* Check dependencies of packages in rmtargs and make sure
|
|
* we won't be breaking anything by removing them.
|
|
* If a broken dep is detected, make sure it's not from a
|
|
* package that's in our final (upgrade) list.
|
|
*/
|
|
/*EVENT(trans, PM_TRANS_EVT_CHECKDEPS_DONE, NULL, NULL);*/
|
|
for(i = trans->packages; i; i = i->next) {
|
|
pmsyncpkg_t *sync = i->data;
|
|
if(sync->type == PM_SYNC_TYPE_REPLACE) {
|
|
for(j = sync->data; j; j = j->next) {
|
|
list = _alpm_list_add(list, j->data);
|
|
}
|
|
}
|
|
}
|
|
if(list) {
|
|
_alpm_log(PM_LOG_FLOW1, "checking dependencies of packages designated for removal");
|
|
deps = _alpm_checkdeps(db_local, PM_TRANS_TYPE_REMOVE, list);
|
|
if(deps) {
|
|
int errorout = 0;
|
|
for(i = deps; i; i = i->next) {
|
|
pmdepmissing_t *miss = i->data;
|
|
if(!find_pkginsync(miss->depend.name, trans->packages)) {
|
|
int pfound = 0;
|
|
PMList *k;
|
|
/* If miss->depend.name depends on something that miss->target and a
|
|
* package in final both provide, then it's okay... */
|
|
pmpkg_t *leavingp = _alpm_db_get_pkgfromcache(db_local, miss->target);
|
|
pmpkg_t *conflictp = _alpm_db_get_pkgfromcache(db_local, miss->depend.name);
|
|
if(!leavingp || !conflictp) {
|
|
_alpm_log(PM_LOG_ERROR, "something has gone horribly wrong");
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
/* Look through the upset package's dependencies and try to match one up
|
|
* to a provisio from the package we want to remove */
|
|
for(k = conflictp->depends; k && !pfound; k = k->next) {
|
|
PMList *m;
|
|
for(m = leavingp->provides; m && !pfound; m = m->next) {
|
|
if(!strcmp(k->data, m->data)) {
|
|
/* Found a match -- now look through final for a package that
|
|
* provides the same thing. If none are found, then it truly
|
|
* is an unresolvable conflict. */
|
|
PMList *n, *o;
|
|
for(n = trans->packages; n && !pfound; n = n->next) {
|
|
pmsyncpkg_t *sp = n->data;
|
|
for(o = sp->pkg->provides; o && !pfound; o = o->next) {
|
|
if(!strcmp(m->data, o->data)) {
|
|
/* found matching provisio -- we're good to go */
|
|
_alpm_log(PM_LOG_FLOW2, "found '%s' as a provision for '%s' -- conflict aborted",
|
|
sp->pkg->name, (char *)o->data);
|
|
pfound = 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!pfound) {
|
|
if(!errorout) {
|
|
errorout = 1;
|
|
}
|
|
if(data) {
|
|
if((miss = (pmdepmissing_t *)malloc(sizeof(pmdepmissing_t))) == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmdepmissing_t));
|
|
FREELIST(*data);
|
|
pm_errno = PM_ERR_MEMORY;
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
*miss = *(pmdepmissing_t *)i->data;
|
|
*data = _alpm_list_add(*data, miss);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(errorout) {
|
|
pm_errno = PM_ERR_UNSATISFIED_DEPS;
|
|
ret = -1;
|
|
goto cleanup;
|
|
}
|
|
FREELIST(deps);
|
|
}
|
|
}
|
|
/*EVENT(trans, PM_TRANS_EVT_CHECKDEPS_DONE, NULL, NULL);*/
|
|
}
|
|
|
|
cleanup:
|
|
FREELISTPTR(list);
|
|
FREELISTPTR(trail);
|
|
FREELIST(asked);
|
|
FREELIST(deps);
|
|
|
|
return(ret);
|
|
}
|
|
|
|
int _alpm_sync_commit(pmtrans_t *trans, pmdb_t *db_local, PMList **data)
|
|
{
|
|
PMList *i;
|
|
pmtrans_t *tr = NULL;
|
|
int replaces = 0;
|
|
|
|
ASSERT(db_local != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
|
|
ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
|
|
|
|
/* remove conflicting and to-be-replaced packages */
|
|
tr = _alpm_trans_new();
|
|
if(tr == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, "could not create removal transaction");
|
|
pm_errno = PM_ERR_MEMORY;
|
|
goto error;
|
|
}
|
|
|
|
if(_alpm_trans_init(tr, PM_TRANS_TYPE_REMOVE, PM_TRANS_FLAG_NODEPS,
|
|
trans->cb_event, trans->cb_conv) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not initialize the removal transaction");
|
|
goto error;
|
|
}
|
|
|
|
for(i = trans->packages; i; i = i->next) {
|
|
pmsyncpkg_t *sync = i->data;
|
|
if(sync->type == PM_SYNC_TYPE_REPLACE) {
|
|
PMList *j;
|
|
for(j = sync->data; j; j = j->next) {
|
|
pmpkg_t *pkg = j->data;
|
|
if(!_alpm_pkg_isin(pkg->name, tr->packages)) {
|
|
if(_alpm_trans_addtarget(tr, pkg->name) == -1) {
|
|
goto error;
|
|
}
|
|
replaces++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(replaces) {
|
|
_alpm_log(PM_LOG_FLOW1, "removing conflicting and to-be-replaced packages");
|
|
if(_alpm_trans_prepare(tr, data) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not prepare removal transaction");
|
|
goto error;
|
|
}
|
|
/* we want the frontend to be aware of commit details */
|
|
tr->cb_event = trans->cb_event;
|
|
if(_alpm_trans_commit(tr, NULL) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not commit removal transaction");
|
|
goto error;
|
|
}
|
|
}
|
|
FREETRANS(tr);
|
|
|
|
/* install targets */
|
|
_alpm_log(PM_LOG_FLOW1, "installing packages");
|
|
tr = _alpm_trans_new();
|
|
if(tr == NULL) {
|
|
_alpm_log(PM_LOG_ERROR, "could not create transaction");
|
|
pm_errno = PM_ERR_MEMORY;
|
|
goto error;
|
|
}
|
|
if(_alpm_trans_init(tr, PM_TRANS_TYPE_UPGRADE, trans->flags | PM_TRANS_FLAG_NODEPS,
|
|
trans->cb_event, trans->cb_conv) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not initialize transaction");
|
|
goto error;
|
|
}
|
|
for(i = trans->packages; i; i = i->next) {
|
|
pmsyncpkg_t *sync = i->data;
|
|
pmpkg_t *spkg = sync->pkg;
|
|
char str[PATH_MAX];
|
|
snprintf(str, PATH_MAX, "%s%s/%s-%s" PM_EXT_PKG, handle->root, handle->cachedir, spkg->name, spkg->version);
|
|
if(_alpm_trans_addtarget(tr, str) == -1) {
|
|
goto error;
|
|
}
|
|
/* using _alpm_list_last() is ok because addtarget() adds the new target at the
|
|
* end of the tr->packages list */
|
|
spkg = _alpm_list_last(tr->packages)->data;
|
|
if(sync->type == PM_SYNC_TYPE_DEPEND) {
|
|
spkg->reason = PM_PKG_REASON_DEPEND;
|
|
}
|
|
}
|
|
if(_alpm_trans_prepare(tr, data) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not prepare transaction");
|
|
goto error;
|
|
}
|
|
if(_alpm_trans_commit(tr, NULL) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not commit transaction");
|
|
goto error;
|
|
}
|
|
FREETRANS(tr);
|
|
|
|
/* propagate replaced packages' requiredby fields to their new owners */
|
|
if(replaces) {
|
|
_alpm_log(PM_LOG_FLOW1, "updating database for replaced packages dependencies");
|
|
for(i = trans->packages; i; i = i->next) {
|
|
pmsyncpkg_t *sync = i->data;
|
|
if(sync->type == PM_SYNC_TYPE_REPLACE) {
|
|
PMList *j;
|
|
pmpkg_t *new = _alpm_db_get_pkgfromcache(db_local, sync->pkg->name);
|
|
for(j = sync->data; j; j = j->next) {
|
|
PMList *k;
|
|
pmpkg_t *old = j->data;
|
|
/* merge lists */
|
|
for(k = old->requiredby; k; k = k->next) {
|
|
if(!_alpm_list_is_strin(k->data, new->requiredby)) {
|
|
/* replace old's name with new's name in the requiredby's dependency list */
|
|
PMList *m;
|
|
pmpkg_t *depender = _alpm_db_get_pkgfromcache(db_local, k->data);
|
|
if(depender == NULL) {
|
|
/* If the depending package no longer exists in the local db,
|
|
* then it must have ALSO conflicted with sync->pkg. If
|
|
* that's the case, then we don't have anything to propagate
|
|
* here. */
|
|
continue;
|
|
}
|
|
for(m = depender->depends; m; m = m->next) {
|
|
if(!strcmp(m->data, old->name)) {
|
|
FREE(m->data);
|
|
m->data = strdup(new->name);
|
|
}
|
|
}
|
|
if(_alpm_db_write(db_local, depender, INFRQ_DEPENDS) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not update requiredby for database entry %s-%s",
|
|
new->name, new->version);
|
|
}
|
|
/* add the new requiredby */
|
|
new->requiredby = _alpm_list_add(new->requiredby, strdup(k->data));
|
|
}
|
|
}
|
|
}
|
|
if(_alpm_db_write(db_local, new, INFRQ_DEPENDS) == -1) {
|
|
_alpm_log(PM_LOG_ERROR, "could not update new database entry %s-%s",
|
|
new->name, new->version);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return(0);
|
|
|
|
error:
|
|
FREETRANS(tr);
|
|
return(-1);
|
|
}
|
|
|
|
/* vim: set ts=2 sw=2 noet: */
|