Useful to know why a transaction cannot be completed when there are unresolved reverse dependencies. Requested by @chris2.
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*-
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 * Copyright (c) 2014-2015 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 <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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int HIDDEN
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xbps_transaction_store(struct xbps_handle *xhp, xbps_array_t pkgs,
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		xbps_dictionary_t pkgd, const char *tract, bool autoinst)
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{
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	xbps_array_t replaces;
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	const char *pkgver, *repo;
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	char *pkgname, *self_replaced;
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	xbps_dictionary_get_cstring_nocopy(pkgd, "repository", &repo);
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	xbps_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
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	if (xbps_find_pkg_in_array(pkgs, pkgver, NULL))
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		return 0;
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	/*
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	 * Add required objects into package dep's dictionary.
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	 */
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	if (autoinst && !xbps_dictionary_set_bool(pkgd, "automatic-install", true))
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		return EINVAL;
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	/*
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	 * Set a replaces to itself, so that virtual packages are always replaced.
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	*/
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	if ((replaces = xbps_dictionary_get(pkgd, "replaces")) == NULL)
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		replaces = xbps_array_create();
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	pkgname = xbps_pkg_name(pkgver);
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	assert(pkgname);
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	self_replaced = xbps_xasprintf("%s>=0", pkgname);
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	free(pkgname);
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	xbps_array_add_cstring(replaces, self_replaced);
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	free(self_replaced);
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	if (!xbps_dictionary_set(pkgd, "replaces", replaces))
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		return EINVAL;
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	/*
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	 * Add the dictionary into the unsorted queue.
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	 */
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	if (!xbps_array_add(pkgs, pkgd))
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		return EINVAL;
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	xbps_set_cb_state(xhp, XBPS_STATE_TRANS_ADDPKG, 0, pkgver,
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	    "Found %s (%s) in repository %s", pkgver, tract, repo);
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	xbps_dbg_printf(xhp, "Added `%s' into the dependency list (%s)\n",
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	    pkgver, repo);
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	return 0;
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}
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