fdc496e8f1
The frontend (in that case xbps-bin(8)) is only responsible to remove those packages that have the "trans-action" string object set to "remove".
276 lines
7.0 KiB
C
276 lines
7.0 KiB
C
/*-
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* Copyright (c) 2009-2011 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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#include "xbps_api_impl.h"
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/**
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* @file lib/repository_findpkg.c
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* @brief Repository package handling routines
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* @defgroup repo_pkgs Repository package 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_transaction_prepare().
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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 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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assert(pkgd != NULL);
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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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if ((rv = xbps_get_pkg_state_installed(pkgname, &state)) == 0) {
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if (state == XBPS_PKG_STATE_INSTALLED)
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return 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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}
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/* pkg not installed, don't error out */
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if (rv == ENOENT)
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rv = 0;
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return rv;
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}
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static int
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repository_find_pkg(const char *pattern, const char *reason)
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{
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prop_dictionary_t pkg_repod = NULL, origin_pkgrd = NULL;
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prop_dictionary_t transd;
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prop_array_t mdeps, unsorted;
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const char *pkgname;
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int rv = 0;
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bool success, install, bypattern, bestpkg;
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assert(pattern != NULL);
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assert(reason != NULL);
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success = install = bypattern = bestpkg = false;
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if (strcmp(reason, "install") == 0) {
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/* install */
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install = true;
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bypattern = true;
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bestpkg = false;
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} else {
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/* update */
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pkg_repod = xbps_find_pkg_dict_installed(pattern, false);
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if (pkg_repod == NULL) {
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rv = ENODEV;
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goto out;
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}
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prop_object_release(pkg_repod);
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pkg_repod = NULL;
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bestpkg = true;
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}
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/*
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* Find out if the pkg has been found in repository pool.
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*/
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pkg_repod = xbps_repository_pool_find_pkg(pattern,
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bypattern, bestpkg);
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if (pkg_repod == NULL) {
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/* not found */
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rv = errno;
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errno = 0;
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goto out;
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}
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/*
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* Prepare transaction dictionary and missing deps array.
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*/
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if ((transd = xbps_transaction_dictionary_get()) == NULL) {
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rv = EINVAL;
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goto out;
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}
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if ((mdeps = xbps_transaction_missingdeps_get()) == NULL) {
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rv = EINVAL;
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goto out;
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}
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origin_pkgrd = prop_dictionary_copy(pkg_repod);
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prop_dictionary_get_cstring_nocopy(pkg_repod, "pkgname", &pkgname);
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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 (install) {
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success = xbps_find_pkg_in_dict_by_pattern(transd,
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"unsorted_pkgs", pattern);
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} else {
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success = xbps_find_pkg_in_dict_by_name(transd,
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"unsorted_pkgs", pattern);
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}
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if (success) {
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xbps_dbg_printf("package '%s' already queued in transaction\n",
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pattern);
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goto out;
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}
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/*
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* Prepare required package dependencies and add them into the
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* "unsorted" array in transaction dictionary.
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*/
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rv = xbps_repository_find_pkg_deps(transd, mdeps, origin_pkgrd);
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if (rv != 0)
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goto out;
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/*
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* Set package state to the correct one.
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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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/*
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* Set trans-action obj in pkg dictionary to "install" or "update".
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*/
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if (!prop_dictionary_set_cstring_nocopy(origin_pkgrd,
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"trans-action", reason)) {
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rv = EINVAL;
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goto out;
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}
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/*
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* Add required package dictionary into the unsorted array.
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*/
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unsorted = prop_dictionary_get(transd, "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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* Check if this package should replace other installed packages.
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*/
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if ((rv = xbps_repository_pkg_replaces(transd, origin_pkgrd)) != 0)
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goto out;
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/*
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* Add the pkg dictionary from repository's index dictionary into
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* the "unsorted" array in transaction dictionary.
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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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goto out;
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}
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out:
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if (pkg_repod)
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prop_object_release(pkg_repod);
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if (origin_pkgrd)
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prop_object_release(origin_pkgrd);
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return rv;
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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_regpkgdb_dictionary_get();
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if (dict == NULL)
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return errno;
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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 = errno;
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xbps_regpkgdb_dictionary_release();
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return rv;
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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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if ((rv = xbps_repository_update_pkg(pkgname)) != 0) {
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if (rv == ENOENT || rv == EEXIST) {
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/*
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* missing pkg or installed version is
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* greater than or equal than pkg
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* in repositories.
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*/
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rv = 0;
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continue;
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}
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xbps_dbg_printf("[update-all] '%s' returned: %s\n",
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pkgname, strerror(rv));
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break;
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}
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newpkg_found = true;
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}
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prop_object_iterator_release(iter);
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xbps_regpkgdb_dictionary_release();
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if (!newpkg_found)
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rv = ENXIO;
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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)
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{
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return repository_find_pkg(pkgname, "update");
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}
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int
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xbps_repository_install_pkg(const char *pkgpattern)
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{
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return repository_find_pkg(pkgpattern, "install");
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}
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