1 /* Id */
2
3 /*
4 * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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 <unistd.h>
24
25 #include "tmux.h"
26
27 /*
28 * Respawn a pane (restart the command). Kill existing if -k given.
29 */
30
31 enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmd_q *);
32
33 const struct cmd_entry cmd_respawn_pane_entry = {
34 "respawn-pane", "respawnp",
35 "kt:", 0, 1,
36 "[-k] " CMD_TARGET_PANE_USAGE " [command]",
37 0,
38 NULL,
39 cmd_respawn_pane_exec
40 };
41
42 enum cmd_retval
cmd_respawn_pane_exec(struct cmd * self,struct cmd_q * cmdq)43 cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq)
44 {
45 struct args *args = self->args;
46 struct winlink *wl;
47 struct window *w;
48 struct window_pane *wp;
49 struct session *s;
50 struct environ env;
51 const char *cmd;
52 char *cause;
53 u_int idx;
54
55 if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
56 return (CMD_RETURN_ERROR);
57 w = wl->window;
58
59 if (!args_has(self->args, 'k') && wp->fd != -1) {
60 if (window_pane_index(wp, &idx) != 0)
61 fatalx("index not found");
62 cmdq_error(cmdq, "pane still active: %s:%u.%u",
63 s->name, wl->idx, idx);
64 return (CMD_RETURN_ERROR);
65 }
66
67 environ_init(&env);
68 environ_copy(&global_environ, &env);
69 environ_copy(&s->environ, &env);
70 server_fill_environ(s, &env);
71
72 window_pane_reset_mode(wp);
73 screen_reinit(&wp->base);
74 input_init(wp);
75
76 if (args->argc != 0)
77 cmd = args->argv[0];
78 else
79 cmd = NULL;
80 if (window_pane_spawn(wp, cmd, NULL, -1, &env, s->tio, &cause) != 0) {
81 cmdq_error(cmdq, "respawn pane failed: %s", cause);
82 free(cause);
83 environ_free(&env);
84 return (CMD_RETURN_ERROR);
85 }
86 wp->flags |= PANE_REDRAW;
87 server_status_window(w);
88
89 environ_free(&env);
90 return (CMD_RETURN_NORMAL);
91 }
92