1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2008 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 * Respawn a window (restart the command). Kill existing if -k given.
28 */
29
30static enum cmd_retval	cmd_respawn_window_exec(struct cmd *,
31			    struct cmdq_item *);
32
33const struct cmd_entry cmd_respawn_window_entry = {
34	.name = "respawn-window",
35	.alias = "respawnw",
36
37	.args = { "c:e:kt:", 0, -1, NULL },
38	.usage = "[-k] [-c start-directory] [-e environment] "
39		 CMD_TARGET_WINDOW_USAGE " [shell-command]",
40
41	.target = { 't', CMD_FIND_WINDOW, 0 },
42
43	.flags = 0,
44	.exec = cmd_respawn_window_exec
45};
46
47static enum cmd_retval
48cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
49{
50	struct args		*args = cmd_get_args(self);
51	struct cmd_find_state	*target = cmdq_get_target(item);
52	struct spawn_context	 sc = { 0 };
53	struct client		*tc = cmdq_get_target_client(item);
54	struct session		*s = target->s;
55	struct winlink		*wl = target->wl;
56	char			*cause = NULL;
57	struct args_value	*av;
58
59	sc.item = item;
60	sc.s = s;
61	sc.wl = wl;
62	sc.tc = tc;
63
64	args_to_vector(args, &sc.argc, &sc.argv);
65	sc.environ = environ_create();
66
67	av = args_first_value(args, 'e');
68	while (av != NULL) {
69		environ_put(sc.environ, av->string, 0);
70		av = args_next_value(av);
71	}
72
73	sc.idx = -1;
74	sc.cwd = args_get(args, 'c');
75
76	sc.flags = SPAWN_RESPAWN;
77	if (args_has(args, 'k'))
78		sc.flags |= SPAWN_KILL;
79
80	if (spawn_window(&sc, &cause) == NULL) {
81		cmdq_error(item, "respawn window failed: %s", cause);
82		free(cause);
83		if (sc.argv != NULL)
84			cmd_free_argv(sc.argc, sc.argv);
85		environ_free(sc.environ);
86		return (CMD_RETURN_ERROR);
87	}
88
89	server_redraw_window(wl->window);
90
91	if (sc.argv != NULL)
92		cmd_free_argv(sc.argc, sc.argv);
93	environ_free(sc.environ);
94	return (CMD_RETURN_NORMAL);
95}
96