1 /* $OpenBSD: cmd-respawn-window.c,v 1.49 2021/08/27 17:25:55 nicm Exp $ */
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