xref: /openbsd-src/usr.bin/tmux/cmd-rename-session.c (revision 99fd087599a8791921855f21bd7e36130f39aadc)
1 /* $OpenBSD: cmd-rename-session.c,v 1.28 2018/04/11 09:54:45 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <stdlib.h>
22 #include <string.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * Change session name.
28  */
29 
30 static enum cmd_retval	cmd_rename_session_exec(struct cmd *,
31 			    struct cmdq_item *);
32 
33 const struct cmd_entry cmd_rename_session_entry = {
34 	.name = "rename-session",
35 	.alias = "rename",
36 
37 	.args = { "t:", 1, 1 },
38 	.usage = CMD_TARGET_SESSION_USAGE " new-name",
39 
40 	.target = { 't', CMD_FIND_SESSION, 0 },
41 
42 	.flags = CMD_AFTERHOOK,
43 	.exec = cmd_rename_session_exec
44 };
45 
46 static enum cmd_retval
47 cmd_rename_session_exec(struct cmd *self, struct cmdq_item *item)
48 {
49 	struct args		*args = self->args;
50 	struct client		*c = cmd_find_client(item, NULL, 1);
51 	struct session		*s = item->target.s;
52 	char			*newname;
53 
54 	newname = format_single(item, args->argv[0], c, s, NULL, NULL);
55 	if (strcmp(newname, s->name) == 0) {
56 		free(newname);
57 		return (CMD_RETURN_NORMAL);
58 	}
59 
60 	if (!session_check_name(newname)) {
61 		cmdq_error(item, "bad session name: %s", newname);
62 		free(newname);
63 		return (CMD_RETURN_ERROR);
64 	}
65 	if (session_find(newname) != NULL) {
66 		cmdq_error(item, "duplicate session: %s", newname);
67 		free(newname);
68 		return (CMD_RETURN_ERROR);
69 	}
70 
71 	RB_REMOVE(sessions, &sessions, s);
72 	free(s->name);
73 	s->name = newname;
74 	RB_INSERT(sessions, &sessions, s);
75 
76 	server_status_session(s);
77 	notify_session("session-renamed", s);
78 
79 	return (CMD_RETURN_NORMAL);
80 }
81