395 lines
8.5 KiB
C
395 lines
8.5 KiB
C
/*-
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* Copyright (c) 2009 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 <limits.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <xbps_api.h>
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static prop_dictionary_t pkg_props;
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static bool pkg_props_initialized;
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static int
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create_pkg_props_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 (pkg_props_initialized)
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return 0;
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pkg_props = prop_dictionary_create();
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if (pkg_props == 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(pkg_props, 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(pkg_props, unsorted, "unsorted_deps")) {
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rv = EINVAL;
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goto fail3;
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}
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pkg_props_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(pkg_props);
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return rv;
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}
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prop_dictionary_t
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xbps_get_pkg_props(void)
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{
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if (pkg_props_initialized == false)
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return NULL;
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return pkg_props;
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}
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int
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xbps_prepare_repolist_data(void)
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{
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prop_dictionary_t dict = NULL;
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prop_array_t array;
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prop_object_t obj;
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prop_object_iterator_t iter;
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struct repository_data *rdata;
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const char *rootdir;
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char *plist;
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int rv = 0;
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static bool repodata_initialized;
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if (repodata_initialized)
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return 0;
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SIMPLEQ_INIT(&repodata_queue);
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rootdir = xbps_get_rootdir();
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if (rootdir == NULL)
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rootdir = "";
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plist = xbps_xasprintf("%s/%s/%s", rootdir,
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XBPS_META_PATH, XBPS_REPOLIST);
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if (plist == NULL) {
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rv = EINVAL;
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goto out;
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}
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dict = prop_dictionary_internalize_from_file(plist);
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if (dict == NULL) {
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free(plist);
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rv = errno;
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goto out;
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}
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free(plist);
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array = prop_dictionary_get(dict, "repository-list");
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if (array == NULL) {
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rv = EINVAL;
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goto out1;
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}
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iter = prop_array_iterator(array);
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if (iter == NULL) {
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rv = ENOMEM;
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goto out1;
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}
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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/*
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* Iterate over the repository pool and add the dictionary
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* for current repository into the queue.
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*/
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plist =
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xbps_get_pkg_index_plist(prop_string_cstring_nocopy(obj));
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if (plist == NULL) {
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rv = EINVAL;
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goto out2;
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}
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rdata = malloc(sizeof(struct repository_data));
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if (rdata == NULL) {
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rv = errno;
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goto out2;
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}
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rdata->rd_repod = prop_dictionary_internalize_from_file(plist);
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if (rdata->rd_repod == NULL) {
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free(plist);
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rv = errno;
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goto out2;
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}
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free(plist);
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SIMPLEQ_INSERT_TAIL(&repodata_queue, rdata, chain);
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}
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repodata_initialized = true;
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out2:
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prop_object_iterator_release(iter);
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out1:
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prop_object_release(dict);
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out:
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if (rv != 0)
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xbps_release_repolist_data();
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return rv;
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}
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void
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xbps_release_repolist_data(void)
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{
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struct repository_data *rdata;
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while ((rdata = SIMPLEQ_FIRST(&repodata_queue)) != NULL) {
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SIMPLEQ_REMOVE(&repodata_queue, rdata, repository_data, chain);
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prop_object_release(rdata->rd_repod);
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free(rdata);
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}
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}
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int
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xbps_find_new_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_data *rdata;
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const char *repoloc, *repover, *instver;
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int rv = 0;
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assert(pkgname != NULL);
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assert(instpkg != NULL);
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SIMPLEQ_FOREACH(rdata, &repodata_queue, chain) {
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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(rdata->rd_repod,
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"packages", pkgname);
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if (pkgrd != NULL) {
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/*
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* Check if installed version is >= than the
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* one available in current repository.
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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(instver, repover) >= 0)
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goto out;
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break;
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}
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}
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if (pkgrd == NULL)
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return 0;
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/*
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* Create master pkg dictionary.
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*/
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if ((rv = create_pkg_props_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_get_cstring_nocopy(rdata->rd_repod,
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"location-local", &repoloc)) {
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rv = EINVAL;
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goto out;
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}
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prop_dictionary_set_cstring(pkgrd, "repository", repoloc);
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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_find_deps_in_pkg(pkg_props, 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(pkg_props, "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 (!prop_array_add(unsorted, pkgrd))
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rv = errno;
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out:
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if (rv != 0)
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xbps_release_repolist_data();
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return rv;
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}
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int
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xbps_prepare_pkg(const char *pkgname)
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{
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prop_dictionary_t pkgrd = NULL;
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prop_array_t pkgs_array;
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struct repository_data *rdata;
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const char *repoloc;
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int rv = 0;
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pkg_state_t state = 0;
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assert(pkgname != NULL);
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if ((rv = xbps_prepare_repolist_data()) != 0)
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return rv;
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SIMPLEQ_FOREACH(rdata, &repodata_queue, chain) {
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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(rdata->rd_repod,
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"packages", pkgname);
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if (pkgrd != NULL)
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break;
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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 master pkg dictionary.
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*/
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if ((rv = create_pkg_props_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_get_cstring_nocopy(rdata->rd_repod,
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"location-local", &repoloc)) {
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rv = EINVAL;
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goto out;
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}
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prop_dictionary_set_cstring(pkgrd, "repository", repoloc);
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prop_dictionary_set_cstring(pkg_props, "origin", pkgname);
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/*
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* Check if this package needs dependencies.
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*/
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if (xbps_pkg_has_rundeps(pkgrd)) {
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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_find_deps_in_pkg(pkg_props, pkgrd)) != 0)
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goto out;
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/*
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* Sort the dependency chain for this package.
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*/
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if ((rv = xbps_sort_pkg_deps(pkg_props)) != 0)
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goto out;
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} else {
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/*
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* Package has no deps, so we have to create the
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* "packages" array.
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*/
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pkgs_array = prop_array_create();
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if (pkgs_array == NULL) {
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rv = errno;
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goto out;
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}
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if (!prop_dictionary_set(pkg_props, "packages",
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pkgs_array)) {
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rv = errno;
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goto out;
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}
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}
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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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pkgs_array = prop_dictionary_get(pkg_props, "packages");
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if (pkgs_array == NULL ||
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prop_object_type(pkgs_array) != PROP_TYPE_ARRAY) {
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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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rv = xbps_set_pkg_state_dictionary(pkgrd, XBPS_PKG_STATE_NOT_INSTALLED);
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if (rv != 0)
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goto out;
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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(pkgrd, state)) != 0)
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goto out;
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}
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if (!prop_array_add(pkgs_array, pkgrd))
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rv = errno;
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out:
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xbps_release_repolist_data();
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return rv;
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}
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