99be698979
This is just the starting point to extend repositories with PGP signatures.
232 lines
5.5 KiB
C
232 lines
5.5 KiB
C
/*-
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* Copyright (c) 2009-2013 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_impl.h"
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/**
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* @file lib/rpool_get.c
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* @brief Repository pool functions
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* @defgroup repopool Repository pool functions
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*/
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struct rpool_fpkg {
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prop_dictionary_t pkgd;
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const char *pattern;
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const char *bestpkgver;
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bool best;
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};
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static int
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find_virtualpkg_cb(struct xbps_repo *repo, void *arg, bool *done)
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{
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struct rpool_fpkg *rpf = arg;
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rpf->pkgd = xbps_repo_get_virtualpkg(repo, rpf->pattern);
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if (rpf->pkgd) {
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/* found */
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*done = true;
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return 0;
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}
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/* not found */
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return 0;
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}
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static int
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find_pkg_cb(struct xbps_repo *repo, void *arg, bool *done)
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{
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struct rpool_fpkg *rpf = arg;
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rpf->pkgd = xbps_repo_get_pkg(repo, rpf->pattern);
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if (rpf->pkgd) {
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/* found */
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*done = true;
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return 0;
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}
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/* Not found */
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return 0;
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}
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static int
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find_best_pkg_cb(struct xbps_repo *repo, void *arg, bool *done)
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{
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struct rpool_fpkg *rpf = arg;
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prop_dictionary_t pkgd;
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const char *repopkgver;
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(void)done;
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pkgd = xbps_repo_get_pkg(repo, rpf->pattern);
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if (pkgd == NULL) {
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if (errno && errno != ENOENT)
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return errno;
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xbps_dbg_printf(repo->xhp,
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"[rpool] Package '%s' not found in repository "
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"'%s'.\n", rpf->pattern, repo->uri);
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return 0;
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}
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prop_dictionary_get_cstring_nocopy(pkgd,
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"pkgver", &repopkgver);
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if (rpf->bestpkgver == NULL) {
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xbps_dbg_printf(repo->xhp,
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"[rpool] Found best match '%s' (%s).\n",
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repopkgver, repo->uri);
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rpf->pkgd = pkgd;
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prop_dictionary_set_cstring_nocopy(rpf->pkgd,
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"repository", repo->uri);
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rpf->bestpkgver = repopkgver;
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return 0;
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}
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/*
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* Compare current stored version against new
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* version from current package in repository.
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*/
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if (xbps_cmpver(repopkgver, rpf->bestpkgver) == 1) {
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xbps_dbg_printf(repo->xhp,
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"[rpool] Found best match '%s' (%s).\n",
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repopkgver, repo->uri);
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rpf->pkgd = pkgd;
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prop_dictionary_set_cstring_nocopy(rpf->pkgd,
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"repository", repo->uri);
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rpf->bestpkgver = repopkgver;
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}
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return 0;
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}
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typedef enum {
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BEST_PKG = 1,
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VIRTUAL_PKG,
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REAL_PKG
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} pkg_repo_type_t;
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static prop_dictionary_t
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repo_find_pkg(struct xbps_handle *xhp,
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const char *pkg,
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pkg_repo_type_t type)
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{
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struct rpool_fpkg rpf;
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int rv = 0;
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rpf.pattern = pkg;
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rpf.pkgd = NULL;
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rpf.bestpkgver = NULL;
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switch (type) {
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case BEST_PKG:
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/*
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* Find best pkg version.
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*/
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rv = xbps_rpool_foreach(xhp, find_best_pkg_cb, &rpf);
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break;
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case VIRTUAL_PKG:
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/*
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* Find virtual pkg.
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*/
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rv = xbps_rpool_foreach(xhp, find_virtualpkg_cb, &rpf);
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break;
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case REAL_PKG:
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/*
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* Find real pkg.
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*/
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rv = xbps_rpool_foreach(xhp, find_pkg_cb, &rpf);
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break;
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}
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if (rv != 0) {
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errno = rv;
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return NULL;
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}
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return rpf.pkgd;
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}
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prop_dictionary_t
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xbps_rpool_get_virtualpkg(struct xbps_handle *xhp, const char *pkg)
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{
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assert(xhp);
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assert(pkg);
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return repo_find_pkg(xhp, pkg, VIRTUAL_PKG);
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}
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prop_dictionary_t
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xbps_rpool_get_pkg(struct xbps_handle *xhp, const char *pkg)
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{
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assert(xhp);
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assert(pkg);
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if (!xbps_pkgpattern_version(pkg) && !xbps_pkg_version(pkg))
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return repo_find_pkg(xhp, pkg, BEST_PKG);
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return repo_find_pkg(xhp, pkg, REAL_PKG);
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}
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prop_dictionary_t
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xbps_rpool_get_pkg_plist(struct xbps_handle *xhp,
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const char *pkg,
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const char *plistf)
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{
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prop_dictionary_t pkgd = NULL, plistd = NULL;
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const char *repo;
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char *url;
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assert(pkg != NULL);
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assert(plistf != NULL);
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/*
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* Iterate over the the repository pool and search for a plist file
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* in the binary package matching `pattern'. The plist file will be
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* internalized to a proplib dictionary.
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*
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* The first repository that has it wins and the loop is stopped.
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* This will work locally and remotely, thanks to libarchive and
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* libfetch!
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*/
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if (((pkgd = xbps_rpool_get_pkg(xhp, pkg)) == NULL) &&
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((pkgd = xbps_rpool_get_virtualpkg(xhp, pkg)) == NULL))
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goto out;
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url = xbps_repository_pkg_path(xhp, pkgd);
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if (url == NULL) {
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errno = EINVAL;
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goto out;
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}
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plistd = xbps_get_pkg_plist_from_binpkg(url, plistf);
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if (plistd) {
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prop_dictionary_get_cstring_nocopy(pkgd, "repository", &repo);
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prop_dictionary_set_cstring_nocopy(plistd, "repository", repo);
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}
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free(url);
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out:
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if (plistd == NULL)
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errno = ENOENT;
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return plistd;
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}
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