xref: /netbsd-src/external/bsd/tmux/dist/cmd-respawn-pane.c (revision 6db267571823ee3b0a1d61478df085a087f2e990)
15494e770Schristos /* $OpenBSD$ */
2d530c4d0Sjmmv 
3d530c4d0Sjmmv /*
4ed4e6cd4Schristos  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
5d530c4d0Sjmmv  * Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.net>
6d530c4d0Sjmmv  *
7d530c4d0Sjmmv  * Permission to use, copy, modify, and distribute this software for any
8d530c4d0Sjmmv  * purpose with or without fee is hereby granted, provided that the above
9d530c4d0Sjmmv  * copyright notice and this permission notice appear in all copies.
10d530c4d0Sjmmv  *
11d530c4d0Sjmmv  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12d530c4d0Sjmmv  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13d530c4d0Sjmmv  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14d530c4d0Sjmmv  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15d530c4d0Sjmmv  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
16d530c4d0Sjmmv  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
17d530c4d0Sjmmv  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18d530c4d0Sjmmv  */
19d530c4d0Sjmmv 
20d530c4d0Sjmmv #include <sys/types.h>
21d530c4d0Sjmmv 
22928fc495Schristos #include <stdlib.h>
236483eba0Schristos #include <string.h>
24d530c4d0Sjmmv 
25d530c4d0Sjmmv #include "tmux.h"
26d530c4d0Sjmmv 
27d530c4d0Sjmmv /*
28d530c4d0Sjmmv  * Respawn a pane (restart the command). Kill existing if -k given.
29d530c4d0Sjmmv  */
30d530c4d0Sjmmv 
314e179ddaSchristos static enum cmd_retval	cmd_respawn_pane_exec(struct cmd *, struct cmdq_item *);
32d530c4d0Sjmmv 
33d530c4d0Sjmmv const struct cmd_entry cmd_respawn_pane_entry = {
34ed4e6cd4Schristos 	.name = "respawn-pane",
35ed4e6cd4Schristos 	.alias = "respawnp",
36ed4e6cd4Schristos 
37*6db26757Swiz 	.args = { "c:e:kt:", 0, -1, NULL },
386483eba0Schristos 	.usage = "[-k] [-c start-directory] [-e environment] "
39*6db26757Swiz 		 CMD_TARGET_PANE_USAGE " [shell-command]",
40ed4e6cd4Schristos 
41c9ad075bSchristos 	.target = { 't', CMD_FIND_PANE, 0 },
42ed4e6cd4Schristos 
43ed4e6cd4Schristos 	.flags = 0,
44ed4e6cd4Schristos 	.exec = cmd_respawn_pane_exec
45d530c4d0Sjmmv };
46d530c4d0Sjmmv 
474e179ddaSchristos static enum cmd_retval
cmd_respawn_pane_exec(struct cmd * self,struct cmdq_item * item)484e179ddaSchristos cmd_respawn_pane_exec(struct cmd *self, struct cmdq_item *item)
49d530c4d0Sjmmv {
509fb66d81Schristos 	struct args		*args = cmd_get_args(self);
519fb66d81Schristos 	struct cmd_find_state	*target = cmdq_get_target(item);
52*6db26757Swiz 	struct spawn_context	 sc = { 0 };
539fb66d81Schristos 	struct session		*s = target->s;
549fb66d81Schristos 	struct winlink		*wl = target->wl;
559fb66d81Schristos 	struct window_pane	*wp = target->wp;
566483eba0Schristos 	char			*cause = NULL;
57*6db26757Swiz 	struct args_value	*av;
58d530c4d0Sjmmv 
596483eba0Schristos 	sc.item = item;
606483eba0Schristos 	sc.s = s;
616483eba0Schristos 	sc.wl = wl;
626483eba0Schristos 
636483eba0Schristos 	sc.wp0 = wp;
646483eba0Schristos 
65*6db26757Swiz 	args_to_vector(args, &sc.argc, &sc.argv);
666483eba0Schristos 	sc.environ = environ_create();
676483eba0Schristos 
68*6db26757Swiz 	av = args_first_value(args, 'e');
69*6db26757Swiz 	while (av != NULL) {
70*6db26757Swiz 		environ_put(sc.environ, av->string, 0);
71*6db26757Swiz 		av = args_next_value(av);
72d530c4d0Sjmmv 	}
73d530c4d0Sjmmv 
746483eba0Schristos 	sc.idx = -1;
756483eba0Schristos 	sc.cwd = args_get(args, 'c');
76d530c4d0Sjmmv 
776483eba0Schristos 	sc.flags = SPAWN_RESPAWN;
786483eba0Schristos 	if (args_has(args, 'k'))
796483eba0Schristos 		sc.flags |= SPAWN_KILL;
805494e770Schristos 
816483eba0Schristos 	if (spawn_pane(&sc, &cause) == NULL) {
824e179ddaSchristos 		cmdq_error(item, "respawn pane failed: %s", cause);
83928fc495Schristos 		free(cause);
84*6db26757Swiz 		if (sc.argv != NULL)
85*6db26757Swiz 			cmd_free_argv(sc.argc, sc.argv);
86*6db26757Swiz 		environ_free(sc.environ);
87928fc495Schristos 		return (CMD_RETURN_ERROR);
88d530c4d0Sjmmv 	}
894e179ddaSchristos 
90d530c4d0Sjmmv 	wp->flags |= PANE_REDRAW;
919fb66d81Schristos 	server_redraw_window_borders(wp->window);
926483eba0Schristos 	server_status_window(wp->window);
93d530c4d0Sjmmv 
94*6db26757Swiz 	if (sc.argv != NULL)
95*6db26757Swiz 		cmd_free_argv(sc.argc, sc.argv);
966483eba0Schristos 	environ_free(sc.environ);
97928fc495Schristos 	return (CMD_RETURN_NORMAL);
98d530c4d0Sjmmv }
99