2009-08-17 22:37:20 +05:30
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/*-
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2011-01-17 21:47:02 +05:30
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* Copyright (c) 2009-2011 Juan Romero Pardines.
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2009-08-17 22:37:20 +05:30
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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2010-11-13 07:48:58 +05:30
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#include "xbps_api_impl.h"
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2009-08-17 22:37:20 +05:30
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2011-01-17 21:47:02 +05:30
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/*
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* Sorting algorithm for packages in the transaction dictionary.
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* The transaction dictionary contains all package dictionaries found from
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* the repository plist index file in the "unsorted_deps" array.
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*
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2011-01-29 00:17:05 +05:30
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* Any package in the unsorted_deps array is added into the tail and
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* later if a package dependency has an index greater than current
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* package, the package dependency is moved just before it.
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2011-01-17 21:47:02 +05:30
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*
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2011-01-29 00:17:05 +05:30
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* Once that all package dependencies for a package are in the correct
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* index, the counter is increased. When all packages in the "unsorted_deps"
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* array are processed the loop is stopped and the counter should have
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* the same number than the "unsorted_deps" array... otherwise something
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* went wrong.
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2011-01-17 21:47:02 +05:30
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*/
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2011-01-29 00:17:05 +05:30
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struct pkgdep {
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TAILQ_ENTRY(pkgdep) pkgdep_entries;
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prop_dictionary_t d;
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char *name;
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2011-02-18 21:09:42 +05:30
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const char *trans;
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2011-01-29 00:17:05 +05:30
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};
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static TAILQ_HEAD(pkgdep_head, pkgdep) pkgdep_list =
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TAILQ_HEAD_INITIALIZER(pkgdep_list);
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static struct pkgdep *
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2011-02-18 21:09:42 +05:30
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pkgdep_find(const char *name, const char *trans)
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2011-01-29 00:17:05 +05:30
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{
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2011-01-30 19:12:17 +05:30
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struct pkgdep *pd = NULL, *pd_new = NULL;
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2011-01-29 00:17:05 +05:30
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2011-01-30 19:12:17 +05:30
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TAILQ_FOREACH_SAFE(pd, &pkgdep_list, pkgdep_entries, pd_new) {
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2011-02-18 21:09:42 +05:30
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if (strcmp(pd->name, name) == 0) {
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if (trans == NULL)
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return pd;
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if (strcmp(pd->trans, trans) == 0)
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return pd;
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}
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2011-01-29 01:26:28 +05:30
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if (pd->d == NULL)
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continue;
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2011-10-15 23:30:41 +05:30
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if (xbps_match_virtual_pkg_in_dict(pd->d, name, false)) {
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2011-10-16 15:52:46 +05:30
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if (trans && pd->trans &&
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(strcmp(trans, pd->trans) == 0))
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2011-10-15 23:30:41 +05:30
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return pd;
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}
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2011-01-29 01:26:28 +05:30
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}
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2011-01-29 00:17:05 +05:30
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/* not found */
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return NULL;
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}
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static ssize_t
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2011-02-18 21:09:42 +05:30
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pkgdep_find_idx(const char *name, const char *trans)
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2011-01-29 00:17:05 +05:30
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{
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2011-01-30 19:12:17 +05:30
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struct pkgdep *pd, *pd_new;
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2011-01-29 00:17:05 +05:30
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ssize_t idx = 0;
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2011-01-30 19:12:17 +05:30
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TAILQ_FOREACH_SAFE(pd, &pkgdep_list, pkgdep_entries, pd_new) {
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2011-02-18 21:09:42 +05:30
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if (strcmp(pd->name, name) == 0) {
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if (trans == NULL)
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return idx;
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if (strcmp(pd->trans, trans) == 0)
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return idx;
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}
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2011-01-29 01:26:28 +05:30
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if (pd->d == NULL)
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continue;
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2011-10-15 23:30:41 +05:30
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if (xbps_match_virtual_pkg_in_dict(pd->d, name, false)) {
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2011-10-16 15:52:46 +05:30
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if (trans && pd->trans &&
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(strcmp(trans, pd->trans) == 0))
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2011-10-15 23:30:41 +05:30
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return idx;
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}
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2011-01-29 00:17:05 +05:30
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idx++;
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}
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/* not found */
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return -1;
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}
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static void
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pkgdep_release(struct pkgdep *pd)
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{
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if (pd->d != NULL)
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prop_object_release(pd->d);
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free(pd->name);
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free(pd);
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pd = NULL;
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}
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static struct pkgdep *
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2011-02-18 21:09:42 +05:30
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pkgdep_alloc(prop_dictionary_t d, const char *name, const char *trans)
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2011-01-29 00:17:05 +05:30
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{
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struct pkgdep *pd;
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size_t len;
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if ((pd = malloc(sizeof(*pd))) == NULL)
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return NULL;
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len = strlen(name) + 1;
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if ((pd->name = malloc(len)) == NULL) {
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free(pd);
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return NULL;
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}
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if (d != NULL)
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pd->d = prop_dictionary_copy(d);
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else
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pd->d = NULL;
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(void)strlcpy(pd->name, name, len);
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2011-02-18 21:09:42 +05:30
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pd->trans = trans;
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2011-01-29 00:17:05 +05:30
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return pd;
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}
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static void
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pkgdep_end(prop_array_t sorted)
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{
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2011-06-04 17:07:53 +05:30
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prop_dictionary_t sorted_pkgd;
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2011-01-29 00:17:05 +05:30
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struct pkgdep *pd;
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2011-06-04 17:07:53 +05:30
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const char *trans;
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2011-01-29 00:17:05 +05:30
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while ((pd = TAILQ_FIRST(&pkgdep_list)) != NULL) {
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TAILQ_REMOVE(&pkgdep_list, pd, pkgdep_entries);
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2011-06-04 17:07:53 +05:30
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if (sorted != NULL && pd->d != NULL) {
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/*
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* Do not add duplicate pkg dictionaries with the
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* same transaction reason into the sorted array.
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*/
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2011-10-16 15:52:46 +05:30
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sorted_pkgd =
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xbps_find_pkg_in_array_by_name(sorted, pd->name);
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if (sorted_pkgd == NULL) {
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/* find virtualpkg if no match */
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sorted_pkgd =
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xbps_find_virtualpkg_in_array_by_name(
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sorted, pd->name);
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}
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2011-06-04 17:07:53 +05:30
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if (sorted_pkgd == NULL) {
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prop_array_add(sorted, pd->d);
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pkgdep_release(pd);
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continue;
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}
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prop_dictionary_get_cstring_nocopy(sorted_pkgd,
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"transaction", &trans);
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if (strcmp(trans, pd->trans) == 0) {
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pkgdep_release(pd);
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continue;
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}
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2011-06-26 02:23:16 +05:30
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prop_array_add(sorted, pd->d);
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2011-06-04 17:07:53 +05:30
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}
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2011-01-29 00:17:05 +05:30
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pkgdep_release(pd);
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}
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}
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static int
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sort_pkg_rundeps(prop_dictionary_t transd,
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struct pkgdep *pd,
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prop_array_t pkg_rundeps)
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{
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prop_dictionary_t curpkgd;
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prop_object_t obj;
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struct pkgdep *lpd, *pdn;
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2011-02-18 21:09:42 +05:30
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const char *str, *tract;
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2011-01-29 00:17:05 +05:30
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char *pkgnamedep;
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2011-02-18 21:09:42 +05:30
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ssize_t pkgdepidx, curpkgidx;
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2011-01-29 00:17:05 +05:30
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size_t i, idx = 0;
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int rv = 0;
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xbps_dbg_printf_append("\n");
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2011-02-18 21:09:42 +05:30
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curpkgidx = pkgdep_find_idx(pd->name, pd->trans);
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2011-01-29 00:17:05 +05:30
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again:
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for (i = idx; i < prop_array_count(pkg_rundeps); i++) {
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obj = prop_array_get(pkg_rundeps, i);
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str = prop_string_cstring_nocopy(obj);
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if (str == NULL) {
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rv = ENOMEM;
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break;
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}
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2011-06-01 13:07:32 +05:30
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pkgnamedep = xbps_pkgpattern_name(str);
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2011-01-29 00:17:05 +05:30
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if (pkgnamedep == NULL) {
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rv = ENOMEM;
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break;
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}
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xbps_dbg_printf(" Required dependency '%s': ", str);
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2011-02-18 21:09:42 +05:30
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pdn = pkgdep_find(pkgnamedep, NULL);
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2011-01-29 00:17:05 +05:30
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if ((pdn == NULL) &&
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xbps_check_is_installed_pkg_by_name(pkgnamedep)) {
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/*
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* Package dependency is installed, just add to
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* the list but just mark it as "installed", to avoid
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* calling xbps_check_is_installed_pkg_by_name(),
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* which is expensive.
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*/
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xbps_dbg_printf_append("installed.\n");
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2011-02-18 21:09:42 +05:30
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lpd = pkgdep_alloc(NULL, pkgnamedep, "installed");
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2011-01-29 00:17:05 +05:30
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if (lpd == NULL) {
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rv = ENOMEM;
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break;
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}
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free(pkgnamedep);
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TAILQ_INSERT_TAIL(&pkgdep_list, lpd, pkgdep_entries);
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continue;
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} else if (pdn != NULL && pdn->d == NULL) {
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/*
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* Package was added previously into the list
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* and is installed, skip.
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*/
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xbps_dbg_printf_append("installed.\n");
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free(pkgnamedep);
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continue;
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}
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2011-10-16 15:52:46 +05:30
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/* Find pkg by name */
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2011-01-29 00:17:05 +05:30
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curpkgd = xbps_find_pkg_in_dict_by_name(transd,
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"unsorted_deps", pkgnamedep);
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2011-07-15 21:52:58 +05:30
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if (curpkgd == NULL) {
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2011-10-16 15:52:46 +05:30
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/* find virtualpkg by name if no match */
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curpkgd =
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xbps_find_virtualpkg_in_dict_by_name(transd,
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2011-07-15 21:52:58 +05:30
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"unsorted_deps", pkgnamedep);
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}
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2011-02-04 20:47:47 +05:30
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if (curpkgd == NULL) {
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free(pkgnamedep);
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rv = EINVAL;
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break;
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}
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2011-02-18 21:09:42 +05:30
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prop_dictionary_get_cstring_nocopy(curpkgd,
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"transaction", &tract);
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lpd = pkgdep_alloc(curpkgd, pkgnamedep, tract);
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2011-01-29 00:17:05 +05:30
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if (lpd == NULL) {
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free(pkgnamedep);
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rv = ENOMEM;
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break;
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}
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if (pdn == NULL) {
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/*
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* If package is not in the list, add to the tail
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* and iterate at the same position.
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*/
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TAILQ_INSERT_TAIL(&pkgdep_list, lpd, pkgdep_entries);
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idx = i;
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xbps_dbg_printf_append("added into the tail, "
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"checking again...\n");
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free(pkgnamedep);
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goto again;
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}
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/*
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* Find package dependency index.
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*/
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2011-02-18 21:09:42 +05:30
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pkgdepidx = pkgdep_find_idx(pkgnamedep, tract);
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2011-01-29 00:17:05 +05:30
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/*
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* If package dependency index is less than current
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* package index, it's already sorted.
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*/
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free(pkgnamedep);
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if (pkgdepidx < curpkgidx) {
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xbps_dbg_printf_append("already sorted.\n");
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pkgdep_release(lpd);
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} else {
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/*
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* Remove package dependency from list and move
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* it before current package.
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*/
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TAILQ_REMOVE(&pkgdep_list, pdn, pkgdep_entries);
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pkgdep_release(pdn);
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TAILQ_INSERT_BEFORE(pd, lpd, pkgdep_entries);
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xbps_dbg_printf_append("added before `%s'.\n", pd->name);
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}
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}
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return rv;
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}
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2010-01-21 07:40:19 +05:30
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int HIDDEN
|
2011-01-24 21:25:58 +05:30
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|
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xbps_sort_pkg_deps(void)
|
2009-08-17 22:37:20 +05:30
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{
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2011-01-24 21:25:58 +05:30
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prop_dictionary_t transd;
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prop_array_t sorted, unsorted, rundeps;
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2011-01-29 00:17:05 +05:30
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prop_object_t obj;
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prop_object_iterator_t iter;
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struct pkgdep *pd;
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size_t ndeps = 0, cnt = 0;
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2011-02-18 21:09:42 +05:30
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const char *pkgname, *pkgver, *tract;
|
2009-08-17 22:37:20 +05:30
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int rv = 0;
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2011-01-24 21:25:58 +05:30
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if ((transd = xbps_transaction_dictionary_get()) == NULL)
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return EINVAL;
|
2009-08-17 22:37:20 +05:30
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sorted = prop_array_create();
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if (sorted == NULL)
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return ENOMEM;
|
2011-01-17 21:47:02 +05:30
|
|
|
/*
|
|
|
|
* Add sorted packages array into transaction dictionary (empty).
|
|
|
|
*/
|
|
|
|
if (!prop_dictionary_set(transd, "packages", sorted)) {
|
|
|
|
rv = EINVAL;
|
|
|
|
goto out;
|
|
|
|
}
|
2009-08-17 22:37:20 +05:30
|
|
|
/*
|
|
|
|
* All required deps are satisfied (already installed).
|
|
|
|
*/
|
2011-01-17 21:47:02 +05:30
|
|
|
unsorted = prop_dictionary_get(transd, "unsorted_deps");
|
2009-08-17 22:37:20 +05:30
|
|
|
if (prop_array_count(unsorted) == 0) {
|
2011-01-17 21:47:02 +05:30
|
|
|
prop_dictionary_set(transd, "packages", sorted);
|
2009-08-17 22:37:20 +05:30
|
|
|
return 0;
|
|
|
|
}
|
2011-01-25 19:26:37 +05:30
|
|
|
/*
|
|
|
|
* The sorted array should have the same capacity than
|
|
|
|
* all objects in the unsorted array.
|
|
|
|
*/
|
2009-08-17 22:37:20 +05:30
|
|
|
ndeps = prop_array_count(unsorted);
|
2011-01-25 19:26:37 +05:30
|
|
|
if (!prop_array_ensure_capacity(sorted, ndeps)) {
|
|
|
|
xbps_error_printf("failed to set capacity to the sorted "
|
|
|
|
"pkgdeps array\n");
|
|
|
|
return ENOMEM;
|
|
|
|
}
|
2009-08-17 22:37:20 +05:30
|
|
|
iter = prop_array_iterator(unsorted);
|
|
|
|
if (iter == NULL) {
|
2011-01-25 19:26:37 +05:30
|
|
|
rv = ENOMEM;
|
|
|
|
goto out;
|
2009-08-17 22:37:20 +05:30
|
|
|
}
|
|
|
|
/*
|
2011-01-29 00:17:05 +05:30
|
|
|
* Iterate over the unsorted package dictionaries and sort all
|
|
|
|
* its package dependencies.
|
2009-08-17 22:37:20 +05:30
|
|
|
*/
|
|
|
|
while ((obj = prop_object_iterator_next(iter)) != NULL) {
|
2010-11-06 11:14:00 +05:30
|
|
|
prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
|
|
|
|
prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
|
2011-02-18 21:09:42 +05:30
|
|
|
prop_dictionary_get_cstring_nocopy(obj, "transaction", &tract);
|
2011-10-15 23:30:41 +05:30
|
|
|
xbps_dbg_printf("Sorting package '%s' (%s): ", pkgver, tract);
|
2011-01-29 00:17:05 +05:30
|
|
|
|
2011-02-18 21:09:42 +05:30
|
|
|
pd = pkgdep_find(pkgname, tract);
|
2011-01-29 00:17:05 +05:30
|
|
|
if (pd == NULL) {
|
|
|
|
/*
|
|
|
|
* If package not in list, just add to the tail.
|
|
|
|
*/
|
2011-02-18 21:09:42 +05:30
|
|
|
pd = pkgdep_alloc(obj, pkgname, tract);
|
2011-01-29 00:17:05 +05:30
|
|
|
if (pd == NULL) {
|
|
|
|
pkgdep_end(NULL);
|
|
|
|
prop_object_iterator_release(iter);
|
|
|
|
rv = ENOMEM;
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
TAILQ_INSERT_TAIL(&pkgdep_list, pd, pkgdep_entries);
|
2009-11-29 10:23:27 +05:30
|
|
|
}
|
2009-08-17 22:37:20 +05:30
|
|
|
/*
|
|
|
|
* Packages that don't have deps go unsorted, because
|
|
|
|
* it doesn't matter.
|
|
|
|
*/
|
|
|
|
rundeps = prop_dictionary_get(obj, "run_depends");
|
|
|
|
if (rundeps == NULL || prop_array_count(rundeps) == 0) {
|
2010-11-19 18:10:13 +05:30
|
|
|
xbps_dbg_printf_append("added (no rundeps) into "
|
|
|
|
"the sorted queue.\n");
|
2009-08-17 22:37:20 +05:30
|
|
|
cnt++;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
/*
|
2011-01-29 00:17:05 +05:30
|
|
|
* Sort package run-time dependencies for this package.
|
2009-08-17 22:37:20 +05:30
|
|
|
*/
|
2011-01-29 00:17:05 +05:30
|
|
|
if ((rv = sort_pkg_rundeps(transd, pd, rundeps)) != 0) {
|
|
|
|
pkgdep_end(NULL);
|
|
|
|
prop_object_iterator_release(iter);
|
|
|
|
goto out;
|
2009-08-17 22:37:20 +05:30
|
|
|
}
|
2011-01-29 00:17:05 +05:30
|
|
|
cnt++;
|
2009-08-17 22:37:20 +05:30
|
|
|
}
|
|
|
|
prop_object_iterator_release(iter);
|
2011-01-29 00:17:05 +05:30
|
|
|
/*
|
|
|
|
* We are done, now we have to copy all pkg dictionaries
|
|
|
|
* from the sorted list into the "packages" array, and at
|
|
|
|
* the same time freeing memory used for temporary sorting.
|
|
|
|
*/
|
|
|
|
pkgdep_end(sorted);
|
2009-08-17 22:37:20 +05:30
|
|
|
/*
|
|
|
|
* Sanity check that the array contains the same number of
|
|
|
|
* objects than the total number of required dependencies.
|
|
|
|
*/
|
2011-01-29 00:17:05 +05:30
|
|
|
assert(cnt == prop_array_count(unsorted));
|
2009-08-17 22:37:20 +05:30
|
|
|
/*
|
2011-01-17 21:47:02 +05:30
|
|
|
* We are done, all packages were sorted... remove the
|
|
|
|
* temporary array with unsorted packages.
|
2009-08-17 22:37:20 +05:30
|
|
|
*/
|
2011-01-17 21:47:02 +05:30
|
|
|
prop_dictionary_remove(transd, "unsorted_deps");
|
|
|
|
out:
|
2011-01-18 19:14:39 +05:30
|
|
|
if (rv != 0)
|
2011-01-17 21:47:02 +05:30
|
|
|
prop_dictionary_remove(transd, "packages");
|
2011-01-18 19:14:39 +05:30
|
|
|
|
|
|
|
prop_object_release(sorted);
|
|
|
|
|
2009-08-17 22:37:20 +05:30
|
|
|
return rv;
|
|
|
|
}
|