ec7cdde1e0
- There's no need to check rval for prop_dictionary_get_*, we are sure the objects are there at prop_dictionary_set_* time. - Avoid two chdir(2) calls per INSTALL/REMOVE run. - Avoid using access(2) to check for existence of INSTALL/REMOVE scripts, just try to run the executable directly and check for ENOENT.
504 lines
12 KiB
C
504 lines
12 KiB
C
/*-
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* Copyright (c) 2009-2010 Juan Romero Pardines.
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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 <stdbool.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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#include <xbps_api.h>
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/**
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* @file lib/repository_findpkg.c
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* @brief Repository transaction handling routines
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* @defgroup repo_pkgs Repository transaction handling functions
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*
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* The following image shows off the full transaction dictionary returned
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* by xbps_repository_get_transaction_dict().
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*
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* @image html images/xbps_transaction_dictionary.png
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*
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* Legend:
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* - <b>Salmon bg box</b>: The transaction dictionary.
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* - <b>White bg box</b>: mandatory objects.
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* - <b>Grey bg box</b>: optional objects.
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* - <b>Green bg box</b>: possible value set in the object, only one of them
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* will be set.
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*
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* Text inside of white boxes are the key associated with the object, its
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* data type is specified on its edge, i.e string, array, integer, dictionary.
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*/
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static prop_dictionary_t trans_dict;
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static bool trans_dict_initialized;
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static int
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create_transaction_dictionary(void)
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{
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prop_array_t unsorted, missing;
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int rv = 0;
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if (trans_dict_initialized)
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return 0;
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trans_dict = prop_dictionary_create();
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if (trans_dict == NULL)
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return ENOMEM;
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missing = prop_array_create();
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if (missing == NULL) {
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rv = ENOMEM;
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goto fail;
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}
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unsorted = prop_array_create();
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if (unsorted == NULL) {
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rv = ENOMEM;
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goto fail2;
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}
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if (!xbps_add_obj_to_dict(trans_dict, missing, "missing_deps")) {
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rv = EINVAL;
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goto fail3;
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}
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if (!xbps_add_obj_to_dict(trans_dict, unsorted, "unsorted_deps")) {
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rv = EINVAL;
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goto fail3;
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}
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trans_dict_initialized = true;
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return rv;
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fail3:
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prop_object_release(unsorted);
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fail2:
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prop_object_release(missing);
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fail:
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prop_object_release(trans_dict);
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return rv;
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}
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static int
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compute_transaction_sizes(void)
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{
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prop_object_iterator_t iter;
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prop_object_t obj;
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uint64_t tsize = 0, dlsize = 0, instsize = 0;
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int rv = 0;
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const char *tract;
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iter = xbps_get_array_iter_from_dict(trans_dict, "packages");
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if (iter == NULL)
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return -1;
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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prop_dictionary_get_cstring_nocopy(obj, "trans-action", &tract);
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/*
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* Skip pkgs that need to be configured.
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*/
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if (strcmp(tract, "configure") == 0)
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continue;
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prop_dictionary_get_uint64(obj, "filename-size", &tsize);
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dlsize += tsize;
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tsize = 0;
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prop_dictionary_get_uint64(obj, "installed_size", &tsize);
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instsize += tsize;
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tsize = 0;
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}
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/*
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* Add object in transaction dictionary with total installed
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* size that it will take.
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*/
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if (!prop_dictionary_set_uint64(trans_dict,
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"total-installed-size", instsize)) {
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rv = -1;
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goto out;
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}
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/*
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* Add object in transaction dictionary with total download
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* size that needs to be sucked in.
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*/
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if (!prop_dictionary_set_uint64(trans_dict,
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"total-download-size", dlsize)) {
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rv = -1;
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goto out;
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}
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out:
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prop_object_iterator_release(iter);
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return rv;
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}
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static int
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set_pkg_state(prop_dictionary_t pkgd, const char *pkgname)
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{
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pkg_state_t state = 0;
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int rv = 0;
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rv = xbps_set_pkg_state_dictionary(pkgd, XBPS_PKG_STATE_NOT_INSTALLED);
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if (rv != 0)
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return rv;
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/*
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* Overwrite package state in dictionary if it was unpacked
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* previously.
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*/
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rv = xbps_get_pkg_state_installed(pkgname, &state);
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if (rv == 0) {
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if ((rv = xbps_set_pkg_state_dictionary(pkgd, state)) != 0)
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return rv;
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} else if (rv == ENOENT)
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rv = 0;
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return rv;
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}
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prop_dictionary_t
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xbps_repository_get_transaction_dict(void)
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{
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int rv = 0;
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if (trans_dict_initialized == false) {
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errno = ENOENT;
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return NULL;
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}
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/*
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* Sort package list if necessary.
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*/
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if ((rv = xbps_sort_pkg_deps(trans_dict)) != 0) {
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/*
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* If there are missing deps (errno==ENOENT)
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* return the dictionary, the client should always
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* check if that's the case.
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*/
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if (errno == ENOENT)
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return trans_dict;
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errno = rv;
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return NULL;
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}
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/*
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* Add total transaction installed/download sizes
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* to the transaction dictionary.
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*/
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if (compute_transaction_sizes() != 0)
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return NULL;
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return trans_dict;
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}
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int
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xbps_repository_update_allpkgs(void)
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{
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prop_dictionary_t dict;
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prop_object_t obj;
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prop_object_iterator_t iter;
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const char *pkgname;
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int rv = 0;
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bool newpkg_found = false;
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/*
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* Prepare dictionary with all registered packages.
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*/
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dict = xbps_regpkgs_dictionary_init();
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if (dict == NULL)
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return ENOENT;
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if ((rv = xbps_repository_pool_init()) != 0)
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goto out;
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iter = xbps_get_array_iter_from_dict(dict, "packages");
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if (iter == NULL) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Find out if there is a newer version for all currently
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* installed packages.
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*/
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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rv = xbps_repository_update_pkg(pkgname, obj);
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if (rv == ENOENT)
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continue;
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else if (rv == EEXIST) {
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rv = 0;
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continue;
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} else if (rv != 0)
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break;
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newpkg_found = true;
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}
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prop_object_iterator_release(iter);
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if (rv != ENOENT && !newpkg_found)
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rv = ENOPKG;
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out:
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xbps_repository_pool_release();
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xbps_regpkgs_dictionary_release();
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return rv;
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}
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int
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xbps_repository_update_pkg(const char *pkgname, prop_dictionary_t instpkg)
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{
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prop_dictionary_t pkgrd = NULL;
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prop_array_t unsorted;
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struct repository_pool *rpool;
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const char *repover, *instver;
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int flags = xbps_get_flags(), rv = 0;
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bool newpkg_found = false;
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assert(pkgname != NULL);
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assert(instpkg != NULL);
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/*
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* Prepare repository pool queue.
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*/
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if ((rv = xbps_repository_pool_init()) != 0)
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return rv;
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SIMPLEQ_FOREACH(rpool, &rp_queue, rp_entries) {
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/*
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* Get the package dictionary from current repository.
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* If it's not there, pass to the next repository.
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*/
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pkgrd = xbps_find_pkg_in_dict_by_name(rpool->rp_repod,
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"packages", pkgname);
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if (pkgrd == NULL) {
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if (errno && errno != ENOENT) {
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rv = errno;
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goto out;
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}
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if (flags & XBPS_FLAG_VERBOSE)
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printf("Package '%s' not found in repository "
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"'%s'.\n", pkgname, rpool->rp_uri);
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} else if (pkgrd != NULL) {
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/*
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* Check if version in repository is greater than
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* the version currently installed.
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*/
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prop_dictionary_get_cstring_nocopy(instpkg,
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"version", &instver);
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prop_dictionary_get_cstring_nocopy(pkgrd,
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"version", &repover);
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if (xbps_cmpver(repover, instver) > 0) {
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if (flags & XBPS_FLAG_VERBOSE) {
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printf("Found '%s-%s' in repository "
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"'%s'.\n", pkgname, repover,
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rpool->rp_uri);
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}
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newpkg_found = true;
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break;
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}
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if (flags & XBPS_FLAG_VERBOSE)
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printf("Skipping '%s-%s' from repository "
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"'%s'.\n", pkgname, repover, rpool->rp_uri);
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continue;
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}
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}
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if (!newpkg_found) {
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rv = EEXIST;
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goto out;
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}
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if (pkgrd == NULL) {
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rv = ENOENT;
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goto out;
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}
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/*
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* Create the transaction dictionary.
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*/
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if ((rv = create_transaction_dictionary()) != 0)
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goto out;
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/*
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* Set repository in pkg dictionary.
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*/
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if (!prop_dictionary_set_cstring(pkgrd, "repository", rpool->rp_uri)) {
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rv = errno;
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goto out;
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}
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/*
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* Construct the dependency chain for this package.
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*/
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if ((rv = xbps_repository_find_pkg_deps(trans_dict, pkgrd)) != 0)
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goto out;
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/*
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* Add required package dictionary into the packages
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* dictionary.
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*/
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unsorted = prop_dictionary_get(trans_dict, "unsorted_deps");
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if (unsorted == NULL) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Always set "not-installed" package state. Will be overwritten
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* to its correct state later.
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*/
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if ((rv = set_pkg_state(pkgrd, pkgname)) != 0)
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goto out;
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if (!prop_dictionary_set_cstring_nocopy(pkgrd,
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"trans-action", "update")) {
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rv = errno;
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goto out;
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}
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if (!prop_array_add(unsorted, pkgrd))
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rv = errno;
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out:
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xbps_repository_pool_release();
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return rv;
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}
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int
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xbps_repository_install_pkg(const char *pkg, bool bypattern)
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{
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prop_dictionary_t origin_pkgrd = NULL, pkgrd = NULL;
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prop_array_t unsorted;
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struct repository_pool *rpool;
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const char *pkgname, *pkgver;
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int flags = xbps_get_flags(), rv = 0;
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assert(pkg != NULL);
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if ((rv = xbps_repository_pool_init()) != 0)
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return rv;
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SIMPLEQ_FOREACH(rpool, &rp_queue, rp_entries) {
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/*
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* Get the package dictionary from current repository.
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* If it's not there, pass to the next repository.
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*/
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if (bypattern)
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pkgrd = xbps_find_pkg_in_dict_by_pattern(
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rpool->rp_repod, "packages", pkg);
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else
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pkgrd = xbps_find_pkg_in_dict_by_name(
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rpool->rp_repod, "packages", pkg);
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if (pkgrd == NULL) {
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if (errno && errno != ENOENT) {
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rv = errno;
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goto out;
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}
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} else if (pkgrd != NULL) {
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if (flags & XBPS_FLAG_VERBOSE) {
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prop_dictionary_get_cstring_nocopy(pkgrd,
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"pkgver", &pkgver);
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printf("Found package '%s' (%s).\n",
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pkgver, rpool->rp_uri);
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}
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break;
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}
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}
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if (pkgrd == NULL) {
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rv = EAGAIN;
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goto out;
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}
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/*
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* Create the transaction dictionary.
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*/
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if ((rv = create_transaction_dictionary()) != 0)
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goto out;
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/*
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* Check that this pkg hasn't been added previously into
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* the transaction.
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*/
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if (bypattern) {
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if (xbps_find_pkg_in_dict_by_pattern(trans_dict,
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"unsorted_deps", pkg))
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goto out;
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} else {
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if (xbps_find_pkg_in_dict_by_name(trans_dict,
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"unsorted_deps", pkg))
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goto out;
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}
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/*
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* Set repository in pkg dictionary.
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*/
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if (!prop_dictionary_set_cstring(pkgrd, "repository", rpool->rp_uri)) {
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rv = errno;
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goto out;
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}
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origin_pkgrd = prop_dictionary_copy(pkgrd);
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prop_dictionary_get_cstring_nocopy(pkgrd, "pkgname", &pkgname);
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/*
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* Prepare required package dependencies.
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*/
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if ((rv = xbps_repository_find_pkg_deps(trans_dict, pkgrd)) != 0)
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goto out;
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if (flags & XBPS_FLAG_VERBOSE)
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printf("\n");
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/*
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* Add required package dictionary into the unsorted deps dictionary,
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* set package state as not yet installed.
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*/
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unsorted = prop_dictionary_get(trans_dict, "unsorted_deps");
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if (unsorted == NULL) {
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rv = EINVAL;
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goto out;
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}
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if ((rv = set_pkg_state(origin_pkgrd, pkgname)) != 0)
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goto out;
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if (!prop_dictionary_set_cstring_nocopy(origin_pkgrd,
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"trans-action", "install")) {
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rv = errno;
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goto out;
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}
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if (!prop_array_add(unsorted, origin_pkgrd))
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rv = errno;
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out:
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if (origin_pkgrd)
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prop_object_release(origin_pkgrd);
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xbps_repository_pool_release();
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return rv;
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}
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