2009-11-28 10:13:21 +05:30
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/*-
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* Copyright (c) 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 <xbps_api.h>
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2010-01-21 07:40:19 +05:30
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int HIDDEN
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2009-11-28 10:13:21 +05:30
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xbps_remove_obsoletes(prop_dictionary_t oldd, prop_dictionary_t newd)
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{
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2010-04-29 03:00:56 +05:30
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prop_object_iterator_t iter, iter2 = NULL;
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prop_object_t obj, obj2 = NULL;
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prop_string_t oldstr = NULL, newstr = NULL;
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2009-11-28 10:13:21 +05:30
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const char *array_str = "files";
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char *buf = NULL;
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int rv = 0;
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bool found, dolinks = false;
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again:
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iter = xbps_get_array_iter_from_dict(oldd, array_str);
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if (iter == NULL)
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return errno;
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iter2 = xbps_get_array_iter_from_dict(newd, array_str);
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if (iter2 == NULL) {
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prop_object_iterator_release(iter);
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return errno;
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}
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/*
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* Check for obsolete files, i.e files/links available in
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* the old package list not found in new package list.
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*/
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while ((obj = prop_object_iterator_next(iter))) {
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found = false;
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oldstr = prop_dictionary_get(obj, "file");
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if (oldstr == NULL) {
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rv = errno;
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goto out;
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}
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while ((obj2 = prop_object_iterator_next(iter2))) {
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newstr = prop_dictionary_get(obj2, "file");
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if (newstr == NULL) {
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rv = errno;
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goto out;
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}
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if (prop_string_equals(oldstr, newstr)) {
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found = true;
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break;
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}
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}
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prop_object_iterator_reset(iter2);
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if (found)
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continue;
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/*
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* Obsolete file found, remove it.
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*/
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buf = xbps_xasprintf(".%s", prop_string_cstring_nocopy(oldstr));
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if (buf == NULL) {
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rv = errno;
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goto out;
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}
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if (remove(buf) == -1) {
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2010-01-15 19:49:16 +05:30
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fprintf(stderr,
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"WARNING: couldn't remove obsolete %s: %s\n",
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2009-11-28 10:13:21 +05:30
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dolinks ? "link" : "file",
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prop_string_cstring_nocopy(oldstr));
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free(buf);
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continue;
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}
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printf("Removed obsolete %s: %s\n",
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dolinks ? "link" : "file",
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prop_string_cstring_nocopy(oldstr));
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free(buf);
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}
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if (!dolinks) {
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/*
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* Now look for obsolete links.
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*/
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dolinks = true;
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array_str = "links";
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prop_object_iterator_release(iter2);
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prop_object_iterator_release(iter);
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2010-04-29 03:00:56 +05:30
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iter2 = NULL;
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2009-11-28 10:13:21 +05:30
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goto again;
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}
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out:
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prop_object_iterator_release(iter2);
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prop_object_iterator_release(iter);
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return rv;
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}
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