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 
30 static enum cmd_retval        cmd_respawn_window_exec(struct cmd *,
31                                   struct cmdq_item *);
32 
33 const 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 
47 static enum cmd_retval
cmd_respawn_window_exec(struct cmd * self,struct cmdq_item * item)48 cmd_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