xbps/bin/xbps-query/show-deps.c

/*-
 * Copyright (c) 2009-2013 Juan Romero Pardines.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>

#include <xbps.h>
#include "defs.h"

static void
print_rdeps(struct xbps_handle *xhp, xbps_array_t rdeps,
	    bool full, bool repo, bool origin, int *indent)
{
	xbps_array_t currdeps;
	xbps_dictionary_t pkgd;
	const char *pkgdep;
	unsigned int i;
	int j;

	if (!origin)
		(*indent)++;

	for (i = 0; i < xbps_array_count(rdeps); i++) {
		xbps_array_get_cstring_nocopy(rdeps, i, &pkgdep);
		if (!origin || !full)
			for (j = 0; j < *indent; j++)
				putchar(' ');

		printf("%s\n", pkgdep);
		if (!full)
			continue;

		if (repo) {
			pkgd = xbps_rpool_get_pkg(xhp, pkgdep);
			if (pkgd == NULL)
				pkgd = xbps_rpool_get_virtualpkg(xhp, pkgdep);
		} else {
			pkgd = xbps_pkgdb_get_pkg(xhp, pkgdep);
			if (pkgd == NULL)
				pkgd = xbps_pkgdb_get_virtualpkg(xhp, pkgdep);
		}
		if (pkgd != NULL) {
			currdeps = xbps_dictionary_get(pkgd, "run_depends");
			if (currdeps != NULL)
				print_rdeps(xhp, currdeps,
				    full, repo, false, indent);
		}
	}
	(*indent)--;
}

int
show_pkg_deps(struct xbps_handle *xhp, const char *pkgname, bool full)
{
	xbps_array_t rdeps;
	xbps_dictionary_t pkgd;
	int indent = 0;

	pkgd = xbps_pkgdb_get_pkg(xhp, pkgname);
	if (pkgd == NULL)
		return ENOENT;

	rdeps = xbps_dictionary_get(pkgd, "run_depends");
	if (rdeps != NULL)
		print_rdeps(xhp, rdeps, full, false, true, &indent);

	return 0;
}

int
show_pkg_revdeps(struct xbps_handle *xhp, const char *pkg)
{
	xbps_array_t reqby;
	const char *pkgdep;
	unsigned int i;

	if ((reqby = xbps_pkgdb_get_pkg_revdeps(xhp, pkg)) != NULL) {
		for (i = 0; i < xbps_array_count(reqby); i++) {
			xbps_array_get_cstring_nocopy(reqby, i, &pkgdep);
			printf("%s\n", pkgdep);
		}
	}
	return 0;
}

int
repo_show_pkg_deps(struct xbps_handle *xhp, const char *pattern, bool full)
{
	xbps_array_t rdeps;
	xbps_dictionary_t pkgd;
	int indent = 0;

	if (((pkgd = xbps_rpool_get_pkg(xhp, pattern)) == NULL) &&
	    ((pkgd = xbps_rpool_get_virtualpkg(xhp, pattern)) == NULL))
		return errno;

	rdeps = xbps_dictionary_get(pkgd, "run_depends");
	if (rdeps != NULL)
		print_rdeps(xhp, rdeps, full, true, true, &indent);

	return 0;
}

int
repo_show_pkg_revdeps(struct xbps_handle *xhp, const char *pkg)
{
	xbps_array_t revdeps;
	const char *pkgver;
	unsigned int i;
	int rv;

	revdeps = xbps_rpool_get_pkg_revdeps(xhp, pkg);
	rv = errno;

	for (i = 0; i < xbps_array_count(revdeps); i++) {
		xbps_array_get_cstring_nocopy(revdeps, i, &pkgver);
		printf("%s\n", pkgver);
	}

	return rv;
}