315 lines
8.9 KiB
C
315 lines
8.9 KiB
C
/*-
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* Copyright (c) 2009-2011 Juan Romero Pardines.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include <assert.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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static int
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check_binpkgs_hash(prop_object_iterator_t iter)
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{
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prop_object_t obj;
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const char *pkgver, *repoloc, *filen, *sha256, *trans;
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const char *pkgname, *version;
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char *binfile;
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int rv = 0;
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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prop_dictionary_get_cstring_nocopy(obj, "transaction", &trans);
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if ((strcmp(trans, "remove") == 0) ||
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(strcmp(trans, "configure") == 0))
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continue;
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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prop_dictionary_get_cstring_nocopy(obj, "version", &version);
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prop_dictionary_get_cstring_nocopy(obj, "repository", &repoloc);
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assert(repoloc != NULL);
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prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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assert(pkgver != NULL);
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prop_dictionary_get_cstring_nocopy(obj, "filename", &filen);
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assert(filen != NULL);
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prop_dictionary_get_cstring_nocopy(obj,
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"filename-sha256", &sha256);
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assert(sha256 != NULL);
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binfile = xbps_path_from_repository_uri(obj, repoloc);
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if (binfile == NULL) {
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rv = EINVAL;
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break;
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}
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xbps_set_cb_state(XBPS_STATE_VERIFY, 0, pkgname, version,
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"Verifying `%s' package integrity...", filen, repoloc);
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rv = xbps_file_hash_check(binfile, sha256);
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if (rv != 0) {
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free(binfile);
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xbps_set_cb_state(XBPS_STATE_VERIFY_FAIL,
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rv, pkgname, version,
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"Failed to verify `%s' package integrity: %s",
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filen, strerror(rv));
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break;
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}
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free(binfile);
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}
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prop_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, prop_object_iterator_t iter)
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{
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prop_object_t obj;
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const char *pkgver, *repoloc, *filen, *trans;
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const char *pkgname, *version;
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char *binfile;
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int rv = 0;
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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prop_dictionary_get_cstring_nocopy(obj, "transaction", &trans);
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if ((strcmp(trans, "remove") == 0) ||
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(strcmp(trans, "configure") == 0))
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continue;
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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prop_dictionary_get_cstring_nocopy(obj, "version", &version);
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prop_dictionary_get_cstring_nocopy(obj, "repository", &repoloc);
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assert(repoloc != NULL);
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prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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assert(pkgver != NULL);
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prop_dictionary_get_cstring_nocopy(obj, "filename", &filen);
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assert(filen != NULL);
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binfile = xbps_path_from_repository_uri(obj, repoloc);
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if (binfile == NULL) {
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rv = EINVAL;
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break;
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}
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/*
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* If downloaded package is in cachedir continue.
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*/
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if (access(binfile, R_OK) == 0) {
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free(binfile);
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continue;
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}
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/*
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* Create cachedir.
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*/
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if (xbps_mkpath(prop_string_cstring_nocopy(xhp->cachedir),
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0755) == -1) {
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xbps_set_cb_state(XBPS_STATE_DOWNLOAD_FAIL,
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errno, pkgname, version,
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"%s: [trans] cannot create cachedir `%s': %s",
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pkgver, prop_string_cstring_nocopy(xhp->cachedir),
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strerror(errno));
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free(binfile);
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rv = errno;
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break;
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}
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xbps_set_cb_state(XBPS_STATE_DOWNLOAD,
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0, pkgname, version,
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"Downloading binary package `%s' (from `%s')...",
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filen, repoloc);
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/*
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* Fetch binary package.
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*/
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rv = xbps_fetch_file(binfile,
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prop_string_cstring_nocopy(xhp->cachedir), false, NULL);
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if (rv == -1) {
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xbps_set_cb_state(XBPS_STATE_DOWNLOAD_FAIL,
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errno, pkgname, version,
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"%s: [trans] failed to download binary package "
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"`%s' from `%s': %s", pkgver, filen, repoloc,
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strerror(errno));
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free(binfile);
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break;
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}
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rv = 0;
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free(binfile);
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}
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prop_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(prop_dictionary_t transd)
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{
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struct xbps_handle *xhp;
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prop_object_t obj;
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prop_object_iterator_t iter;
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const char *pkgname, *version, *pkgver, *tract;
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int rv = 0;
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bool update, install, purge;
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assert(prop_object_type(transd) == PROP_TYPE_DICTIONARY);
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update = install = purge = false;
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xhp = xbps_handle_get();
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iter = xbps_array_iter_from_dict(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(XBPS_STATE_TRANS_DOWNLOAD, 0, NULL, NULL, NULL);
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if ((rv = download_binpkgs(xhp, iter)) != 0)
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goto out;
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/*
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* Check SHA256 hashes for binary packages in transaction.
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*/
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xbps_set_cb_state(XBPS_STATE_TRANS_VERIFY, 0, NULL, NULL, NULL);
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if ((rv = check_binpkgs_hash(iter)) != 0)
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goto out;
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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(XBPS_STATE_TRANS_RUN, 0, NULL, NULL, NULL);
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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update = false;
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prop_dictionary_get_cstring_nocopy(obj, "transaction", &tract);
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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prop_dictionary_get_cstring_nocopy(obj, "version", &version);
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prop_dictionary_get_cstring_nocopy(obj, "pkgver", &pkgver);
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if (strcmp(tract, "remove") == 0) {
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purge = update = false;
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/*
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* Remove and optionally also purge package.
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*/
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prop_dictionary_get_bool(obj, "remove-and-update",
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&update);
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prop_dictionary_get_bool(obj, "remove-and-purge",
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&purge);
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rv = xbps_remove_pkg(pkgname, version, update);
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if (rv != 0)
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goto out;
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if (update || !purge)
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continue;
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if ((rv = xbps_purge_pkg(pkgname, false)) != 0)
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goto out;
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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(pkgname, version, false, false);
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if (rv != 0)
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goto out;
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} else {
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/*
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* Install or update a package.
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*/
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if (strcmp(tract, "update") == 0)
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update = true;
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else
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install = true;
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if (update) {
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/*
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* Update a package: execute pre-remove
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* action if found before unpacking.
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*/
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xbps_set_cb_state(XBPS_STATE_UPDATE, 0,
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pkgname, version, NULL);
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rv = xbps_remove_pkg(pkgname, version, true);
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if (rv != 0) {
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xbps_set_cb_state(
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XBPS_STATE_UPDATE_FAIL,
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rv, pkgname, version,
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"%s: [trans] failed to update "
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"package to `%s': %s", pkgver,
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version, strerror(rv));
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goto out;
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}
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} else {
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/* Install a package */
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xbps_set_cb_state(XBPS_STATE_INSTALL, 0,
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pkgname, version, 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(obj)) != 0)
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goto out;
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/*
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* Register package.
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*/
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if ((rv = xbps_register_pkg(obj)) != 0)
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goto out;
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}
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}
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prop_object_iterator_reset(iter);
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/* if there are no packages to install or update we are done */
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if (!update && !install)
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goto out;
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/*
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* Configure all unpacked packages.
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*/
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xbps_set_cb_state(XBPS_STATE_TRANS_CONFIGURE, 0, NULL, NULL, NULL);
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while ((obj = prop_object_iterator_next(iter)) != NULL) {
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prop_dictionary_get_cstring_nocopy(obj, "transaction", &tract);
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if ((strcmp(tract, "remove") == 0) ||
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(strcmp(tract, "configure") == 0))
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continue;
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prop_dictionary_get_cstring_nocopy(obj, "pkgname", &pkgname);
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prop_dictionary_get_cstring_nocopy(obj, "version", &version);
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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(pkgname, version, false, update);
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if (rv != 0)
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goto out;
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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(XBPS_STATE_UPDATE_DONE, 0,
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pkgname, version, NULL);
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} else {
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xbps_set_cb_state(XBPS_STATE_INSTALL_DONE, 0,
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pkgname, version, NULL);
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}
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}
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out:
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prop_object_iterator_release(iter);
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return rv;
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}
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