GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-respawn-window.c Lines: 0 44 0.0 %
Date: 2017-11-13 Branches: 0 20 0.0 %

Line Branch Exec Source
1
/* $OpenBSD: cmd-respawn-window.c,v 1.36 2017/07/21 09:17:19 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 <unistd.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:kt:", 0, -1 },
38
	.usage = "[-c start-directory] [-k] " CMD_TARGET_WINDOW_USAGE
39
	         " [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
48
cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
49
{
50
	struct args		*args = self->args;
51
	struct session		*s = item->target.s;
52
	struct winlink		*wl = item->target.wl;
53
	struct window		*w = wl->window;
54
	struct window_pane	*wp;
55
	struct client           *c = cmd_find_client(item, NULL, 1);
56
	struct environ		*env;
57
	const char		*path = NULL, *cp;
58
	char		 	*cause, *cwd = NULL;
59
	struct environ_entry	*envent;
60
61
	if (!args_has(self->args, 'k')) {
62
		TAILQ_FOREACH(wp, &w->panes, entry) {
63
			if (wp->fd == -1)
64
				continue;
65
			cmdq_error(item, "window still active: %s:%d", s->name,
66
			    wl->idx);
67
			return (CMD_RETURN_ERROR);
68
		}
69
	}
70
71
	wp = TAILQ_FIRST(&w->panes);
72
	TAILQ_REMOVE(&w->panes, wp, entry);
73
	layout_free(w);
74
	window_destroy_panes(w);
75
	TAILQ_INSERT_HEAD(&w->panes, wp, entry);
76
	window_pane_resize(wp, w->sx, w->sy);
77
78
	if (item->client != NULL && item->client->session == NULL)
79
		envent = environ_find(item->client->environ, "PATH");
80
	else
81
		envent = environ_find(s->environ, "PATH");
82
	if (envent != NULL)
83
		path = envent->value;
84
85
	if ((cp = args_get(args, 'c')) != NULL)
86
		cwd = format_single(item, cp, c, s, NULL, NULL);
87
88
	env = environ_for_session(s, 0);
89
	if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, cwd, env,
90
	    s->tio, &cause) != 0) {
91
		cmdq_error(item, "respawn window failed: %s", cause);
92
		free(cause);
93
		environ_free(env);
94
		free(cwd);
95
		server_destroy_pane(wp, 0);
96
		return (CMD_RETURN_ERROR);
97
	}
98
	environ_free(env);
99
	free(cwd);
100
101
	layout_init(w, wp);
102
	window_pane_reset_mode(wp);
103
	screen_reinit(&wp->base);
104
	input_init(wp);
105
	window_set_active_pane(w, wp);
106
107
	recalculate_sizes();
108
	server_redraw_window(w);
109
110
	return (CMD_RETURN_NORMAL);
111
}