076b3f8c44
Those are there mostly to be shown by the clients and notify that there's an update in repos that is being ignored. Idea by @chneukirchen.
405 lines
12 KiB
C
405 lines
12 KiB
C
/*-
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* Copyright (c) 2009-2015 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 <ctype.h>
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#include <unistd.h>
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#include <limits.h>
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#include "xbps_api_impl.h"
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/**
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* @file lib/transaction_commit.c
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* @brief Transaction handling routines
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* @defgroup transaction 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_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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check_binpkgs(struct xbps_handle *xhp, xbps_object_iterator_t iter)
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{
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xbps_object_t obj;
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struct xbps_repo *repo;
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const char *pkgver, *repoloc, *trans, *sha256;
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char *binfile;
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int rv = 0;
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while ((obj = xbps_object_iterator_next(iter)) != NULL) {
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xbps_dictionary_get_cstring_nocopy(obj, "transaction", &trans);
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if ((strcmp(trans, "remove") == 0) ||
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(strcmp(trans, "hold") == 0) ||
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(strcmp(trans, "configure") == 0))
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continue;
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xbps_dictionary_get_cstring_nocopy(obj, "repository", &repoloc);
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xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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binfile = xbps_repository_pkg_path(xhp, obj);
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if (binfile == NULL) {
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rv = ENOMEM;
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break;
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}
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/*
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* For pkgs in local repos check the sha256 hash.
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* For pkgs in remote repos check the RSA signature.
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*/
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if ((repo = xbps_rpool_get_repo(repoloc)) == NULL) {
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rv = errno;
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xbps_dbg_printf(xhp, "%s: failed to get repository "
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"%s: %s\n", pkgver, repoloc, strerror(errno));
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break;
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}
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if (repo->is_remote) {
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/* remote repo */
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xbps_set_cb_state(xhp, XBPS_STATE_VERIFY, 0, pkgver,
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"%s: verifying RSA signature...", pkgver);
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if (!xbps_verify_file_signature(repo, binfile)) {
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rv = errno;
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xbps_set_cb_state(xhp, XBPS_STATE_VERIFY_FAIL, rv, pkgver,
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"%s: the RSA signature is not valid: %s", pkgver,
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strerror(rv));
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free(binfile);
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break;
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}
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} else {
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/* local repo */
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xbps_set_cb_state(xhp, XBPS_STATE_VERIFY, 0, pkgver,
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"%s: verifying SHA256 hash...", pkgver);
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xbps_dictionary_get_cstring_nocopy(obj, "filename-sha256", &sha256);
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if ((rv = xbps_file_hash_check(binfile, sha256)) != 0) {
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xbps_set_cb_state(xhp, XBPS_STATE_VERIFY_FAIL, rv, pkgver,
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"%s: SHA256 hash is not valid: %s", pkgver, strerror(rv));
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free(binfile);
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break;
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}
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}
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free(binfile);
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}
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xbps_object_iterator_reset(iter);
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return rv;
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}
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static int
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download_binpkgs(struct xbps_handle *xhp, xbps_object_iterator_t iter)
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{
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xbps_object_t obj;
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const char *pkgver, *arch, *fetchstr, *repoloc, *trans;
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char *file, *sigfile;
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int rv = 0;
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while ((obj = xbps_object_iterator_next(iter)) != NULL) {
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xbps_dictionary_get_cstring_nocopy(obj, "transaction", &trans);
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if ((strcmp(trans, "remove") == 0) ||
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(strcmp(trans, "hold") == 0) ||
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(strcmp(trans, "configure") == 0))
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continue;
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xbps_dictionary_get_cstring_nocopy(obj, "repository", &repoloc);
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if (!xbps_repository_is_remote(repoloc))
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continue;
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xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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xbps_dictionary_get_cstring_nocopy(obj, "architecture", &arch);
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/*
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* Download binary package.
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*/
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if ((file = xbps_repository_pkg_path(xhp, obj)) == NULL) {
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rv = EINVAL;
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break;
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}
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if (access(file, R_OK) == -1) {
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xbps_set_cb_state(xhp, XBPS_STATE_DOWNLOAD, 0, pkgver,
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"Downloading `%s' package (from `%s')...", pkgver, repoloc);
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if ((rv = xbps_fetch_file(xhp, file, NULL)) == -1) {
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rv = fetchLastErrCode ? fetchLastErrCode : errno;
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fetchstr = xbps_fetch_error_string();
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xbps_set_cb_state(xhp, XBPS_STATE_DOWNLOAD_FAIL, rv,
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pkgver, "[trans] failed to download `%s' package from `%s': %s",
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pkgver, repoloc, fetchstr ? fetchstr : strerror(rv));
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free(file);
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break;
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}
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rv = 0;
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}
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/*
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* Download binary package signature.
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*/
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sigfile = xbps_xasprintf("%s.sig", file);
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free(file);
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file = NULL;
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if (access(sigfile, R_OK) == -1) {
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xbps_set_cb_state(xhp, XBPS_STATE_DOWNLOAD, 0, pkgver,
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"Downloading `%s' signature (from `%s')...", pkgver, repoloc);
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file = xbps_xasprintf("%s/%s.%s.xbps.sig", repoloc, pkgver, arch);
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if ((rv = xbps_fetch_file(xhp, file, NULL)) == -1) {
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rv = fetchLastErrCode ? fetchLastErrCode : errno;
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fetchstr = xbps_fetch_error_string();
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xbps_set_cb_state(xhp, XBPS_STATE_DOWNLOAD_FAIL, rv,
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pkgver, "[trans] failed to download `%s' signature from `%s': %s",
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pkgver, repoloc, fetchstr ? fetchstr : strerror(rv));
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free(sigfile);
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free(file);
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break;
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}
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rv = 0;
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}
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free(sigfile);
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if (file != NULL)
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free(file);
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}
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xbps_object_iterator_reset(iter);
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return rv;
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}
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int
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xbps_transaction_commit(struct xbps_handle *xhp)
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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 *pkgver, *tract;
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int rv = 0;
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bool update;
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assert(xbps_object_type(xhp->transd) == XBPS_TYPE_DICTIONARY);
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/*
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* Create cachedir if necessary.
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*/
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if (xbps_mkpath(xhp->cachedir, 0755) == -1) {
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if (errno != EEXIST) {
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_FAIL,
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errno, NULL,
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"[trans] cannot create cachedir `%s': %s",
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xhp->cachedir, strerror(errno));
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return errno;
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}
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}
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if (chdir(xhp->cachedir) == -1) {
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_FAIL,
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errno, NULL,
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"[trans] failed to change dir to cachedir `%s': %s",
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xhp->cachedir, strerror(errno));
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return errno;
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}
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iter = xbps_array_iter_from_dict(xhp->transd, "packages");
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if (iter == NULL)
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return EINVAL;
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/*
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* Download binary packages (if they come from a remote repository).
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*/
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_DOWNLOAD, 0, NULL, NULL);
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if ((rv = download_binpkgs(xhp, iter)) != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to download binpkgs: "
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"%s\n", strerror(rv));
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goto out;
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}
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/*
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* Check binary package integrity.
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*/
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_VERIFY, 0, NULL, NULL);
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if ((rv = check_binpkgs(xhp, iter)) != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to check binpkgs: "
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"%s\n", strerror(rv));
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goto out;
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}
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/*
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* Install, update, configure or remove packages as specified
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* in the transaction dictionary.
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*/
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_RUN, 0, NULL, NULL);
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/*
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* Create rootdir if necessary.
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*/
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if (xbps_mkpath(xhp->rootdir, 0750) == -1) {
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rv = errno;
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if (rv != EEXIST) {
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_FAIL, errno, xhp->rootdir,
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"[trans] failed to create rootdir `%s': %s",
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xhp->rootdir, strerror(rv));
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goto out;
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}
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}
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if (chdir(xhp->rootdir) == -1) {
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rv = errno;
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xbps_set_cb_state(xhp, XBPS_STATE_UNPACK_FAIL, rv, xhp->rootdir,
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"[trans] failed to chdir to rootdir `%s': %s",
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xhp->rootdir, strerror(errno));
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goto out;
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}
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while ((obj = xbps_object_iterator_next(iter)) != NULL) {
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xbps_dictionary_get_cstring_nocopy(obj, "transaction", &tract);
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xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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if (strcmp(tract, "remove") == 0) {
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/*
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* Remove package.
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*/
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update = false;
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xbps_dictionary_get_bool(obj, "remove-and-update", &update);
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rv = xbps_remove_pkg(xhp, pkgver, update);
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if (rv != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to "
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"remove %s: %s\n", pkgver, strerror(rv));
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goto out;
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}
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continue;
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} else if (strcmp(tract, "configure") == 0) {
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/*
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* Reconfigure pending package.
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*/
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rv = xbps_configure_pkg(xhp, pkgver, false, false);
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if (rv != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to "
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"configure %s: %s\n", pkgver, strerror(rv));
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goto out;
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}
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continue;
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} else if (strcmp(tract, "update") == 0) {
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/*
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* Update a package: execute pre-remove action of
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* existing package before unpacking new version.
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*/
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xbps_set_cb_state(xhp, XBPS_STATE_UPDATE, 0, pkgver, NULL);
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rv = xbps_remove_pkg(xhp, pkgver, true);
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if (rv != 0) {
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xbps_set_cb_state(xhp,
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XBPS_STATE_UPDATE_FAIL,
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rv, pkgver,
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"%s: [trans] failed to update "
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"package `%s'", pkgver,
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strerror(rv));
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goto out;
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}
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} else if (strcmp(tract, "hold") == 0) {
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/*
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* Package is on hold mode, ignore it.
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*/
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continue;
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} else {
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/* Install a package */
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xbps_set_cb_state(xhp, XBPS_STATE_INSTALL, 0,
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pkgver, NULL);
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}
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/*
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* Unpack binary package.
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*/
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if ((rv = xbps_unpack_binary_pkg(xhp, obj)) != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to unpack "
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"%s: %s\n", pkgver, strerror(rv));
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goto out;
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}
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/*
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* Register package.
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*/
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if ((rv = xbps_register_pkg(xhp, obj)) != 0) {
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xbps_dbg_printf(xhp, "[trans] failed to register "
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"%s: %s\n", pkgver, strerror(rv));
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goto out;
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}
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}
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/* if there are no packages to install or update we are done */
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if (!xbps_dictionary_get(xhp->transd, "total-update-pkgs") &&
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!xbps_dictionary_get(xhp->transd, "total-install-pkgs"))
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goto out;
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/* if installing packages for target_arch, don't configure anything */
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if (xhp->target_arch && strcmp(xhp->native_arch, xhp->target_arch))
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goto out;
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xbps_object_iterator_reset(iter);
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/* Force a pkgdb write for all unpacked pkgs in transaction */
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(void)xbps_pkgdb_update(xhp, true, true);
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/*
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* Configure all unpacked packages.
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*/
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xbps_set_cb_state(xhp, XBPS_STATE_TRANS_CONFIGURE, 0, NULL, NULL);
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while ((obj = xbps_object_iterator_next(iter)) != NULL) {
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xbps_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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xbps_dictionary_get_cstring_nocopy(obj, "transaction", &tract);
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if ((strcmp(tract, "remove") == 0) ||
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(strcmp(tract, "hold") == 0) ||
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(strcmp(tract, "configure") == 0)) {
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xbps_dbg_printf(xhp, "%s: skipping configuration for "
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"%s: %s\n", __func__, pkgver, tract);
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continue;
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}
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update = false;
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if (strcmp(tract, "update") == 0)
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update = true;
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rv = xbps_configure_pkg(xhp, pkgver, false, update);
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if (rv != 0) {
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xbps_dbg_printf(xhp, "%s: configure failed for "
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"%s: %s\n", __func__, pkgver, strerror(rv));
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goto out;
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}
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/*
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* Notify client callback when a package has been
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* installed or updated.
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*/
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if (update) {
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xbps_set_cb_state(xhp, XBPS_STATE_UPDATE_DONE, 0,
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pkgver, NULL);
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} else {
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xbps_set_cb_state(xhp, XBPS_STATE_INSTALL_DONE, 0,
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pkgver, NULL);
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}
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}
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out:
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xbps_object_iterator_release(iter);
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/* Force a pkgdb write for all unpacked pkgs in transaction */
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(void)xbps_pkgdb_update(xhp, true, true);
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return rv;
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}
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