mirror of
https://github.com/moparisthebest/pacman
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1bd8f57a18
- downloadonly implies FLAG_NOCONFLICTS
221 lines
5.1 KiB
C
221 lines
5.1 KiB
C
/*
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* trans.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 <string.h>
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/* pacman */
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#include "error.h"
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#include "package.h"
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#include "util.h"
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#include "log.h"
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#include "list.h"
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#include "handle.h"
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#include "add.h"
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#include "remove.h"
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#include "sync.h"
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#include "alpm.h"
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extern pmhandle_t *handle;
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pmtrans_t *_alpm_trans_new()
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{
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pmtrans_t *trans;
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if((trans = (pmtrans_t *)malloc(sizeof(pmtrans_t))) == NULL) {
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_alpm_log(PM_LOG_ERROR, "malloc failure: could not allocate %d bytes", sizeof(pmtrans_t));
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return(NULL);
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}
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trans->targets = NULL;
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trans->packages = NULL;
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trans->skiplist = NULL;
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trans->type = 0;
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trans->flags = 0;
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trans->cb_event = NULL;
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trans->cb_conv = NULL;
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trans->state = STATE_IDLE;
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return(trans);
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}
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void _alpm_trans_free(void *data)
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{
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pmtrans_t *trans = data;
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if(trans == NULL) {
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return;
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}
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FREELIST(trans->targets);
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if(trans->type == PM_TRANS_TYPE_SYNC) {
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PMList *i;
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for(i = trans->packages; i; i = i->next) {
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FREESYNC(i->data);
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}
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FREELIST(trans->packages);
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} else {
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FREELISTPKGS(trans->packages);
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}
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FREELIST(trans->skiplist);
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free(trans);
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}
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int _alpm_trans_init(pmtrans_t *trans, unsigned char type, unsigned int flags, alpm_trans_cb_event event, alpm_trans_cb_conv conv)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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trans->type = type;
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trans->flags = flags;
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trans->cb_event = event;
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trans->cb_conv = conv;
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trans->state = STATE_INITIALIZED;
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return(0);
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}
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int _alpm_trans_sysupgrade(pmtrans_t *trans)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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return(_alpm_sync_sysupgrade(trans, handle->db_local, handle->dbs_sync));
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}
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int _alpm_trans_addtarget(pmtrans_t *trans, char *target)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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ASSERT(target != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
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if(_alpm_list_is_strin(target, trans->targets)) {
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RET_ERR(PM_ERR_TRANS_DUP_TARGET, -1);
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}
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(_alpm_add_loadtarget(trans, handle->db_local, target) == -1) {
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/* pm_errno is set by _alpm_add_loadtarget() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(_alpm_remove_loadtarget(trans, handle->db_local, target) == -1) {
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/* pm_errno is set by remove_loadtarget() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_SYNC:
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if(_alpm_sync_addtarget(trans, handle->db_local, handle->dbs_sync, target) == -1) {
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/* pm_errno is set by sync_loadtarget() */
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return(-1);
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}
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break;
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}
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trans->targets = _alpm_list_add(trans->targets, strdup(target));
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return(0);
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}
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int _alpm_trans_prepare(pmtrans_t *trans, PMList **data)
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{
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*data = NULL;
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/* Sanity checks */
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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/* If there's nothing to do, return without complaining */
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if(trans->packages == NULL) {
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return(0);
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}
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(_alpm_add_prepare(trans, handle->db_local, data) == -1) {
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/* pm_errno is set by _alpm_add_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(_alpm_remove_prepare(trans, handle->db_local, data) == -1) {
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/* pm_errno is set by _alpm_remove_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_SYNC:
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if(_alpm_sync_prepare(trans, handle->db_local, handle->dbs_sync, data) == -1) {
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/* pm_errno is set by _alpm_sync_prepare() */
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return(-1);
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}
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break;
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}
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trans->state = STATE_PREPARED;
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return(0);
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}
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int _alpm_trans_commit(pmtrans_t *trans, PMList **data)
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{
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/* Sanity checks */
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ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1));
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/* If there's nothing to do, return without complaining */
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if(trans->packages == NULL) {
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return(0);
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}
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switch(trans->type) {
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case PM_TRANS_TYPE_ADD:
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case PM_TRANS_TYPE_UPGRADE:
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if(_alpm_add_commit(trans, handle->db_local) == -1) {
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/* pm_errno is set by _alpm_add_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_REMOVE:
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if(_alpm_remove_commit(trans, handle->db_local) == -1) {
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/* pm_errno is set by _alpm_remove_prepare() */
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return(-1);
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}
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break;
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case PM_TRANS_TYPE_SYNC:
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if(_alpm_sync_commit(trans, handle->db_local, data) == -1) {
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/* pm_errno is set by _alpm_sync_commit() */
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return(-1);
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}
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break;
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}
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trans->state = STATE_COMMITED;
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return(0);
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}
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/* vim: set ts=2 sw=2 noet: */
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