300 lines
7.1 KiB
C
300 lines
7.1 KiB
C
/*-
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* Copyright (c) 2008-2014 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 <fcntl.h>
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#include <dirent.h>
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#include <pthread.h>
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#include "xbps_api_impl.h"
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static xbps_dictionary_t
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get_pkg_in_array(xbps_array_t array, const char *str, const char *trans, bool virtual)
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{
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xbps_object_t obj = NULL;
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xbps_object_iterator_t iter;
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const char *tract;
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bool found = false;
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iter = xbps_array_iterator(array);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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const char *pkgver;
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char *dpkgn;
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if (virtual) {
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/*
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* Check if package pattern matches
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* any virtual package version in dictionary.
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*/
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found = xbps_match_virtual_pkg_in_dict(obj, str);
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if (found)
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break;
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} else if (xbps_pkgpattern_version(str)) {
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/* match by pattern against pkgver */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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if (xbps_pkgpattern_match(pkgver, str)) {
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found = true;
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break;
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}
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} else if (xbps_pkg_version(str)) {
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/* match by exact pkgver */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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if (strcmp(str, pkgver) == 0) {
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found = true;
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break;
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}
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} else {
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/* match by pkgname */
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if (!xbps_dictionary_get_cstring_nocopy(obj,
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"pkgver", &pkgver))
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continue;
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dpkgn = xbps_pkg_name(pkgver);
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assert(dpkgn);
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if (strcmp(dpkgn, str) == 0) {
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free(dpkgn);
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found = true;
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break;
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}
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free(dpkgn);
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}
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}
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xbps_object_iterator_release(iter);
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if (found && trans &&
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xbps_dictionary_get_cstring_nocopy(obj, "transaction", &tract)) {
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if (strcmp(tract, trans) == 0)
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found = false;
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}
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if (!found) {
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errno = ENOENT;
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return NULL;
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}
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return obj;
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}
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xbps_dictionary_t HIDDEN
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xbps_find_pkg_in_array(xbps_array_t a, const char *s, const char *trans)
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{
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assert(xbps_object_type(a) == XBPS_TYPE_ARRAY);
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assert(s);
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return get_pkg_in_array(a, s, trans, false);
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}
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xbps_dictionary_t HIDDEN
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xbps_find_virtualpkg_in_array(struct xbps_handle *x,
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xbps_array_t a,
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const char *s,
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const char *trans)
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{
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xbps_dictionary_t pkgd;
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const char *vpkg;
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assert(x);
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assert(xbps_object_type(a) == XBPS_TYPE_ARRAY);
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assert(s);
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if ((vpkg = vpkg_user_conf(x, s))) {
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if ((pkgd = get_pkg_in_array(a, vpkg, trans, true)))
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return pkgd;
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}
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return get_pkg_in_array(a, s, trans, true);
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}
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static xbps_dictionary_t
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match_pkg_by_pkgver(xbps_dictionary_t repod, const char *p)
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{
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xbps_dictionary_t d = NULL;
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const char *pkgver;
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char *pkgname;
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/* exact match by pkgver */
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if ((pkgname = xbps_pkg_name(p)) == NULL)
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return NULL;
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d = xbps_dictionary_get(repod, pkgname);
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if (d) {
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xbps_dictionary_get_cstring_nocopy(d, "pkgver", &pkgver);
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if (strcmp(pkgver, p)) {
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d = NULL;
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errno = ENOENT;
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}
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}
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free(pkgname);
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return d;
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}
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static xbps_dictionary_t
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match_pkg_by_pattern(xbps_dictionary_t repod, const char *p)
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{
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xbps_dictionary_t d = NULL;
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const char *pkgver;
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char *pkgname;
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/* match by pkgpattern in pkgver */
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if ((pkgname = xbps_pkgpattern_name(p)) == NULL) {
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if ((pkgname = xbps_pkg_name(p))) {
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free(pkgname);
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return match_pkg_by_pkgver(repod, p);
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}
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return NULL;
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}
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d = xbps_dictionary_get(repod, pkgname);
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if (d) {
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xbps_dictionary_get_cstring_nocopy(d, "pkgver", &pkgver);
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assert(pkgver);
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if (!xbps_pkgpattern_match(pkgver, p)) {
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d = NULL;
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errno = ENOENT;
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}
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}
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free(pkgname);
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return d;
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}
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const char HIDDEN *
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vpkg_user_conf(struct xbps_handle *xhp, const char *vpkg)
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{
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xbps_object_t obj;
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xbps_object_iterator_t iter;
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const char *pkg = NULL;
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bool found = false;
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/* init pkgdb just in case to detect vpkgs */
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(void)xbps_pkgdb_init(xhp);
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if (xhp->vpkgd == NULL)
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return NULL;
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iter = xbps_dictionary_iterator(xhp->vpkgd);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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xbps_string_t rpkg;
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const char *vpkg_conf;
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vpkg_conf = xbps_dictionary_keysym_cstring_nocopy(obj);
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rpkg = xbps_dictionary_get_keysym(xhp->vpkgd, obj);
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pkg = xbps_string_cstring_nocopy(rpkg);
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if (xbps_pkgpattern_version(vpkg_conf)) {
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if (!xbps_pkgpattern_match(vpkg_conf, vpkg)) {
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continue;
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}
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} else {
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if (xbps_pkg_version(vpkg_conf)) {
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char *vpkgname = xbps_pkg_name(vpkg_conf);
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assert(vpkgname);
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if (strcmp(vpkg, vpkgname)) {
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free(vpkgname);
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continue;
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}
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free(vpkgname);
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} else {
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/* assume a correct pkgname */
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if (strcmp(vpkg, vpkg_conf)) {
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continue;
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}
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}
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}
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xbps_dbg_printf(xhp, "matched vpkg `%s' with `%s (provides %s)`\n",
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vpkg, pkg, vpkg_conf);
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found = true;
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break;
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}
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xbps_object_iterator_release(iter);
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return found ? pkg : NULL;
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}
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xbps_dictionary_t
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xbps_find_virtualpkg_in_dict(struct xbps_handle *xhp,
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xbps_dictionary_t d,
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const char *pkg)
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{
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xbps_object_t obj;
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xbps_object_iterator_t iter;
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xbps_dictionary_t pkgd = NULL;
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const char *vpkg;
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/* Try matching vpkg from configuration files */
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vpkg = vpkg_user_conf(xhp, pkg);
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if (vpkg != NULL) {
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if (xbps_pkgpattern_version(vpkg))
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pkgd = match_pkg_by_pattern(d, vpkg);
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else if (xbps_pkg_version(vpkg))
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pkgd = match_pkg_by_pkgver(d, vpkg);
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else
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pkgd = xbps_dictionary_get(d, vpkg);
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if (pkgd)
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return pkgd;
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}
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/* ... otherwise match the first one in dictionary */
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iter = xbps_dictionary_iterator(d);
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assert(iter);
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while ((obj = xbps_object_iterator_next(iter))) {
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pkgd = xbps_dictionary_get_keysym(d, obj);
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if (xbps_match_virtual_pkg_in_dict(pkgd, pkg)) {
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xbps_object_iterator_release(iter);
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return pkgd;
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}
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}
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xbps_object_iterator_release(iter);
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return NULL;
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}
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xbps_dictionary_t
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xbps_find_pkg_in_dict(xbps_dictionary_t d, const char *pkg)
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{
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xbps_dictionary_t pkgd = NULL;
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if (xbps_pkgpattern_version(pkg))
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pkgd = match_pkg_by_pattern(d, pkg);
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else if (xbps_pkg_version(pkg))
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pkgd = match_pkg_by_pkgver(d, pkg);
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else
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pkgd = xbps_dictionary_get(d, pkg);
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return pkgd;
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}
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