xref: /openbsd-src/usr.bin/cvs/version.c (revision 11efff7f3ac2b3cfeff0c0cddc14294d9b3aca4f)
1 /*	$OpenBSD: version.c,v 1.7 2004/12/07 17:10:56 tedu Exp $	*/
2 /*
3  * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/types.h>
28 
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <unistd.h>
32 #include <errno.h>
33 #include <string.h>
34 #include <sysexits.h>
35 
36 #include "cvs.h"
37 #include "proto.h"
38 
39 
40 
41 int
42 cvs_version(int argc, char **argv)
43 {
44 	struct cvsroot *root;
45 
46 	if (argc > 1)
47 		return (EX_USAGE);
48 
49 	root = cvsroot_get(".");
50 	if ((root != NULL) && (root->cr_method != CVS_METHOD_LOCAL))
51 		printf("Client: ");
52 	printf("%s\n", CVS_VERSION);
53 
54 	if ((root != NULL) && (root->cr_method != CVS_METHOD_LOCAL)) {
55 		if (cvs_connect(root) < 0)
56 			return (1);
57 
58 		printf("Server: %s\n", root->cr_version == NULL ?
59 		    "(unknown)" : root->cr_version);
60 		cvs_disconnect(root);
61 	}
62 
63 	cvsroot_free(root);
64 
65 	return (0);
66 }
67