xbps/lib/package_conflicts.c

132 lines
4.3 KiB
C

/*-
* Copyright (c) 2012-2014 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 <errno.h>
#include "xbps_api_impl.h"
void HIDDEN
xbps_pkg_find_conflicts(struct xbps_handle *xhp,
xbps_array_t unsorted,
xbps_dictionary_t pkg_repod)
{
xbps_array_t pkg_cflicts, trans_cflicts;
xbps_dictionary_t pkgd, tpkgd;
xbps_object_t obj;
xbps_object_iterator_t iter;
const char *cfpkg, *repopkgver, *pkgver;
char *pkgname, *repopkgname, *buf;
pkg_cflicts = xbps_dictionary_get(pkg_repod, "conflicts");
if (xbps_array_count(pkg_cflicts) == 0)
return;
trans_cflicts = xbps_dictionary_get(xhp->transd, "conflicts");
xbps_dictionary_get_cstring_nocopy(pkg_repod, "pkgver", &repopkgver);
repopkgname = xbps_pkg_name(repopkgver);
assert(repopkgname);
iter = xbps_array_iterator(pkg_cflicts);
assert(iter);
while ((obj = xbps_object_iterator_next(iter))) {
cfpkg = xbps_string_cstring_nocopy(obj);
/*
* Check if current pkg conflicts with an installed package.
*/
if ((pkgd = xbps_pkgdb_get_pkg(xhp, cfpkg)) ||
(pkgd = xbps_pkgdb_get_virtualpkg(xhp, cfpkg))) {
xbps_dictionary_get_cstring_nocopy(pkgd,
"pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if (strcmp(pkgname, repopkgname) == 0) {
free(pkgname);
continue;
}
/*
* If there's an update for the conflicting pkg in
* the transaction and does not match the pattern,
* ignore it.
*/
if ((tpkgd = xbps_find_pkg_in_array(unsorted, pkgname))) {
const char *tract, *p;
xbps_dictionary_get_cstring_nocopy(tpkgd,
"transaction", &tract);
xbps_dictionary_get_cstring_nocopy(tpkgd,
"pkgver", &p);
if ((xbps_pkgpattern_match(p, cfpkg) == 0) &&
(strcmp(tract, "update") == 0)) {
free(pkgname);
continue;
}
}
free(pkgname);
xbps_dbg_printf(xhp, "found conflicting installed "
"pkg %s with pkg in transaction %s\n", pkgver,
repopkgver);
buf = xbps_xasprintf("CONFLICT: %s with "
"installed pkg %s", repopkgver, pkgver);
if (!xbps_match_string_in_array(trans_cflicts, buf))
xbps_array_add_cstring(trans_cflicts, buf);
free(buf);
continue;
}
/*
* Check if current pkg conflicts with any pkg in transaction.
*/
if ((pkgd = xbps_find_pkg_in_array(unsorted, cfpkg)) ||
(pkgd = xbps_find_virtualpkg_in_array(xhp, unsorted, cfpkg))) {
xbps_dictionary_get_cstring_nocopy(pkgd,
"pkgver", &pkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
if (strcmp(pkgname, repopkgname) == 0) {
free(pkgname);
continue;
}
free(pkgname);
xbps_dbg_printf(xhp, "found conflicting pkgs in "
"transaction %s <-> %s\n", pkgver, repopkgver);
buf = xbps_xasprintf("CONFLICT: %s with "
"%s in transaction", repopkgver, pkgver);
if (!xbps_match_string_in_array(trans_cflicts, buf))
xbps_array_add_cstring(trans_cflicts, buf);
free(buf);
continue;
}
}
xbps_object_iterator_release(iter);
free(repopkgname);
}