1 /* $OpenBSD: cmd-respawn-pane.c,v 1.38 2021/08/27 17:25:55 nicm Exp $ */
2
3 /*
4 * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
5 * Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.net>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #include <sys/types.h>
21
22 #include <stdlib.h>
23 #include <string.h>
24
25 #include "tmux.h"
26
27 /*
28 * Respawn a pane (restart the command). Kill existing if -k given.
29 */
30
31 static enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmdq_item *);
32
33 const struct cmd_entry cmd_respawn_pane_entry = {
34 .name = "respawn-pane",
35 .alias = "respawnp",
36
37 .args = { "c:e:kt:", 0, -1, NULL },
38 .usage = "[-k] [-c start-directory] [-e environment] "
39 CMD_TARGET_PANE_USAGE " [shell-command]",
40
41 .target = { 't', CMD_FIND_PANE, 0 },
42
43 .flags = 0,
44 .exec = cmd_respawn_pane_exec
45 };
46
47 static enum cmd_retval
cmd_respawn_pane_exec(struct cmd * self,struct cmdq_item * item)48 cmd_respawn_pane_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 session *s = target->s;
54 struct winlink *wl = target->wl;
55 struct window_pane *wp = target->wp;
56 char *cause = NULL;
57 struct args_value *av;
58
59 sc.item = item;
60 sc.s = s;
61 sc.wl = wl;
62
63 sc.wp0 = wp;
64
65 args_to_vector(args, &sc.argc, &sc.argv);
66 sc.environ = environ_create();
67
68 av = args_first_value(args, 'e');
69 while (av != NULL) {
70 environ_put(sc.environ, av->string, 0);
71 av = args_next_value(av);
72 }
73
74 sc.idx = -1;
75 sc.cwd = args_get(args, 'c');
76
77 sc.flags = SPAWN_RESPAWN;
78 if (args_has(args, 'k'))
79 sc.flags |= SPAWN_KILL;
80
81 if (spawn_pane(&sc, &cause) == NULL) {
82 cmdq_error(item, "respawn pane failed: %s", cause);
83 free(cause);
84 if (sc.argv != NULL)
85 cmd_free_argv(sc.argc, sc.argv);
86 environ_free(sc.environ);
87 return (CMD_RETURN_ERROR);
88 }
89
90 wp->flags |= PANE_REDRAW;
91 server_redraw_window_borders(wp->window);
92 server_status_window(wp->window);
93
94 if (sc.argv != NULL)
95 cmd_free_argv(sc.argc, sc.argv);
96 environ_free(sc.environ);
97 return (CMD_RETURN_NORMAL);
98 }
99