void-packages/bin/xbps-bin/remove.c

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/*-
* Copyright (c) 2008-2009 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <limits.h>
#include <libgen.h>
#include <unistd.h>
#include <xbps_api.h>
#include "defs.h"
#include "../xbps-repo/util.h"
void
xbps_autoremove_pkgs(void)
{
prop_array_t orphans;
prop_object_t obj;
prop_object_iterator_t iter;
const char *pkgname, *version;
size_t cols = 0;
int rv = 0;
bool first = false;
/*
* Removes orphan pkgs. These packages were installed
* as dependency and any installed package does not depend
* on it currently.
*/
orphans = xbps_find_orphan_packages();
if (orphans == NULL)
exit(EXIT_FAILURE);
if (orphans != NULL && prop_array_count(orphans) == 0) {
printf("There are not orphaned packages currently.\n");
exit(EXIT_SUCCESS);
}
iter = prop_array_iterator(orphans);
if (iter == NULL)
goto out;
printf("The following packages were installed automatically\n"
"(as dependencies) and aren't needed anymore:\n\n");
while ((obj = prop_object_iterator_next(iter)) != NULL) {
prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
prop_dictionary_get_cstring_nocopy(obj, "version", &version);
cols += strlen(pkgname) + strlen(version) + 4;
if (cols <= 80) {
if (first == false) {
printf(" ");
first = true;
}
} else {
printf("\n ");
cols = strlen(pkgname) + strlen(version) + 4;
}
printf("%s-%s ", pkgname, version);
}
prop_object_iterator_reset(iter);
printf("\n\n");
if (xbps_noyes("Do you want to remove them?") == false) {
printf("Cancelled!\n");
goto out2;
}
while ((obj = prop_object_iterator_next(iter)) != NULL) {
prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
prop_dictionary_get_cstring_nocopy(obj, "version", &version);
printf("Removing package %s-%s ...\n", pkgname, version);
if ((rv = xbps_remove_pkg(pkgname, version, false)) != 0)
goto out2;
}
out2:
prop_object_iterator_release(iter);
out:
prop_object_release(orphans);
if (rv != 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
void
xbps_remove_installed_pkg(const char *pkgname, bool force)
{
prop_array_t reqby;
prop_dictionary_t dict;
const char *version;
int rv = 0;
/*
* First check if package is required by other packages.
*/
dict = xbps_find_pkg_installed_from_plist(pkgname);
if (dict == NULL) {
printf("Package %s is not installed.\n", pkgname);
goto out;
}
prop_dictionary_get_cstring_nocopy(dict, "version", &version);
reqby = prop_dictionary_get(dict, "requiredby");
if (reqby != NULL && prop_array_count(reqby) > 0) {
printf("WARNING! %s-%s is required by the following "
"packages:\n\n", pkgname, version);
(void)xbps_callback_array_iter_in_dict(dict,
"requiredby", list_strings_in_array, NULL);
printf("\n\n");
if (!force) {
if (!xbps_noyes("Do you want to remove %s?", pkgname)) {
printf("Cancelling!\n");
goto out;
}
}
printf("Forcing %s-%s for deletion!\n", pkgname, version);
} else {
if (!force) {
if (!xbps_noyes("Do you want to remove %s?", pkgname)) {
printf("Cancelling!\n");
goto out;
}
}
}
printf("Removing package %s-%s ...\n", pkgname, version);
if ((rv = xbps_remove_pkg(pkgname, version, false)) != 0) {
printf("Unable to remove %s-%s (%s).\n",
pkgname, version, strerror(errno));
goto out;
}
printf("Package %s-%s removed successfully.\n", pkgname, version);
out:
xbps_release_regpkgdb_dict();
if (rv != 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}