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/*
* remove.c
*
* Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <alpm.h>
/* pacman */
#include "util.h"
#include "list.h"
#include "pacman.h"
extern unsigned char pmo_flags;
extern PM_DB *db_local;
int pacman_remove(list_t *targets)
{
PM_LIST *data;
list_t *i;
list_t *finaltargs = NULL;
if(targets == NULL) {
return(0);
}
/* If the target is a group, ask if its packages should be removed
* (the library can't remove groups for now)
*/
for(i = targets; i; i = i->next) {
PM_GRP *grp;
grp = alpm_db_readgrp(db_local, i->data);
if(grp) {
PM_LIST *lp, *pkgnames;
int all;
pkgnames = alpm_grp_getinfo(grp, PM_GRP_PKGNAMES);
MSG(NL, ":: group %s:\n", alpm_grp_getinfo(grp, PM_GRP_NAME));
PM_LIST_display(" ", pkgnames);
all = yesno(" Remove whole content? [Y/n] ");
for(lp = alpm_list_first(pkgnames); lp; lp = alpm_list_next(lp)) {
if(all || yesno(":: Remove %s from group %s? [Y/n] ", (char *)alpm_list_getdata(lp), i->data)) {
finaltargs = list_add(finaltargs, strdup(alpm_list_getdata(lp)));
}
}
} else {
/* not a group, so add it to the final targets */
finaltargs = list_add(finaltargs, strdup(i->data));
}
}
/* Step 1: create a new transaction
*/
if(alpm_trans_init(PM_TRANS_TYPE_REMOVE, pmo_flags, cb_trans) == -1) {
ERR(NL, "failed to init transaction (%s)\n", alpm_strerror(pm_errno));
goto error;
}
/* and add targets to it */
for(i = finaltargs; i; i = i->next) {
if(alpm_trans_addtarget(i->data) == -1) {
ERR(NL, "failed to add target '%s' (%s)\n", (char *)i->data, alpm_strerror(pm_errno));
goto error;
}
}
/* Step 2: prepare the transaction based on its type, targets and flags
*/
if(alpm_trans_prepare(&data) == -1) {
PM_LIST *i;
ERR(NL, "failed to prepare transaction (%s)\n", alpm_strerror(pm_errno));
switch(pm_errno) {
case PM_ERR_UNSATISFIED_DEPS:
for(i = alpm_list_first(data); i; i = alpm_list_next(i)) {
pmdepmissing_t *miss = alpm_list_getdata(i);
MSG(NL, " %s: is required by %s\n", miss->target, miss->depend.name);
}
alpm_list_free(data);
break;
default:
ERR(NL, "%s\n", alpm_strerror(pm_errno));
}
goto error;
}
/* Warn user in case of dangerous operation
*/
if(pmo_flags & PM_TRANS_FLAG_RECURSE || pmo_flags & PM_TRANS_FLAG_CASCADE) {
/* list transaction targets */
PM_LIST_display("\nTargets:", alpm_trans_getinfo(PM_TRANS_TARGETS));
/* get confirmation */
if(yesno("\nDo you want to remove these packages? [Y/n] ") == 0) {
goto error;
}
MSG(NL, "\n");
}
/* Step 3: actually perform the removal
*/
if(alpm_trans_commit() == -1) {
ERR(NL, "failed to commit transaction (%s)\n", alpm_strerror(pm_errno));
goto error;
}
/* Step 4: cleanup */
FREELIST(finaltargs);
return(0);
error:
FREELIST(finaltargs);
alpm_trans_release();
return(1);
}
/* vim: set ts=2 sw=2 noet: */
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