This implementation will be faster and resolv the dependency chain correctly taking into account indirect/direct deps and priority. --HG-- extra : convert_revision : cc4ec186f06f944fa8825b176344c4d612658f85
207 lines
4.5 KiB
C
207 lines
4.5 KiB
C
/*-
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* Copyright (c) 2008-2009 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 <xbps_api.h>
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static const char *rootdir;
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int
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xbps_check_is_installed_pkg(const char *pkg)
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{
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prop_dictionary_t dict, pkgdict;
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prop_object_t obj;
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const char *reqver, *instver;
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char *plist, *pkgname;
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int rv = 0;
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assert(pkg != NULL);
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plist = xbps_append_full_path(true, NULL, XBPS_REGPKGDB);
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if (plist == NULL)
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return EINVAL;
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pkgname = xbps_get_pkg_name(pkg);
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reqver = xbps_get_pkg_version(pkg);
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/* Get package dictionary from plist */
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dict = prop_dictionary_internalize_from_file(plist);
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if (dict == NULL) {
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free(pkgname);
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free(plist);
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return 1; /* not installed */
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}
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pkgdict = xbps_find_pkg_in_dict(dict, "packages", pkgname);
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if (pkgdict == NULL) {
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prop_object_release(dict);
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free(pkgname);
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free(plist);
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return 1; /* not installed */
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}
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/* Get version from installed package */
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obj = prop_dictionary_get(pkgdict, "version");
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assert(obj != NULL);
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assert(prop_object_type(obj) == PROP_TYPE_STRING);
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instver = prop_string_cstring_nocopy(obj);
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assert(instver != NULL);
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/* Compare installed and required version. */
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rv = xbps_cmpver_versions(instver, reqver) > 0 ? 1 : 0;
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free(pkgname);
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free(plist);
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prop_object_release(dict);
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return rv;
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}
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bool
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xbps_check_is_installed_pkgname(const char *pkgname)
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{
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prop_dictionary_t pkgd;
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char *plist;
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assert(pkgname != NULL);
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plist = xbps_append_full_path(true, NULL, XBPS_REGPKGDB);
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if (plist == NULL)
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return false;
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pkgd = xbps_find_pkg_from_plist(plist, pkgname);
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free(plist);
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if (pkgd) {
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prop_object_release(pkgd);
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return true;
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}
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return false;
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}
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const char *
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xbps_get_pkg_version(const char *pkg)
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{
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const char *tmp;
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assert(pkg != NULL);
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/* Get the required version */
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tmp = strrchr(pkg, '-');
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assert(tmp != NULL);
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return tmp + 1; /* skip first '-' */
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}
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char *
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xbps_get_pkg_name(const char *pkg)
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{
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const char *tmp;
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char *pkgname;
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size_t len = 0;
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assert(pkg != NULL);
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/* Get package name */
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tmp = strrchr(pkg, '-');
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assert(tmp != NULL);
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len = strlen(pkg) - strlen(tmp) + 1;
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pkgname = malloc(len);
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memcpy(pkgname, pkg, len - 1);
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pkgname[len - 1] = '\0';
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return pkgname;
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}
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bool
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xbps_pkg_has_rundeps(prop_dictionary_t pkg)
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{
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prop_array_t array;
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assert(pkg != NULL);
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array = prop_dictionary_get(pkg, "run_depends");
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if (array && prop_array_count(array) > 0)
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return true;
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return false;
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}
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void
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xbps_set_rootdir(const char *dir)
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{
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assert(dir != NULL);
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rootdir = dir;
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}
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char *
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xbps_append_full_path(bool use_rootdir, const char *basedir, const char *plist)
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{
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const char *env;
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char *buf = NULL;
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size_t len = 0;
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assert(plist != NULL);
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if (basedir)
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env = basedir;
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else
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env = XBPS_META_PATH;
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if (rootdir && use_rootdir) {
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len = strlen(rootdir) + strlen(env) + strlen(plist) + 2;
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buf = malloc(len + 1);
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if (buf == NULL) {
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errno = ENOMEM;
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return NULL;
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}
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if (snprintf(buf, len + 1, "%s/%s/%s",
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rootdir, env, plist) < 0) {
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errno = ENOSPC;
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return NULL;
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}
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} else {
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len = strlen(env) + strlen(plist) + 1;
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buf = malloc(len + 1);
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if (buf == NULL) {
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errno = ENOMEM;
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return NULL;
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}
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if (snprintf(buf, len + 1, "%s/%s", env, plist) < 0) {
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errno = ENOSPC;
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return NULL;
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}
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}
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return buf;
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}
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