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/* $Id: cmd-respawn-window.c,v 1.26 2011/01/07 14:45:34 tcunha Exp $ */

/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include <sys/types.h>

#include <unistd.h>

#include "tmux.h"

/*
* Respawn a window (restart the command). Kill existing if -k given.
*/

int cmd_respawn_window_exec(struct cmd *, struct cmd_ctx *);

const struct cmd_entry cmd_respawn_window_entry = {
"respawn-window", "respawnw",
"kt:", 0, 1,
"[-k] " CMD_TARGET_WINDOW_USAGE " [command]",
0,
NULL,
NULL,
cmd_respawn_window_exec
};

int
cmd_respawn_window_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
struct session *s;
struct environ env;
const char *cmd;
char *cause;

if ((wl = cmd_find_window(ctx, args_get(args, 't'), &s)) == NULL)
return (-1);
w = wl->window;

if (!args_has(self->args, 'k')) {
TAILQ_FOREACH(wp, &w->panes, entry) {
if (wp->fd == -1)
continue;
ctx->error(ctx,
"window still active: %s:%d", s->name, wl->idx);
return (-1);
}
}

environ_init(&env);
environ_copy(&global_environ, &env);
environ_copy(&s->environ, &env);
server_fill_environ(s, &env);

wp = TAILQ_FIRST(&w->panes);
TAILQ_REMOVE(&w->panes, wp, entry);
layout_free(w);
window_destroy_panes(w);
TAILQ_INSERT_HEAD(&w->panes, wp, entry);
window_pane_resize(wp, w->sx, w->sy);
if (args->argc != 0)
cmd = args->argv[0];
else
cmd = NULL;
if (window_pane_spawn(wp, cmd, NULL, NULL, &env, s->tio, &cause) != 0) {
ctx->error(ctx, "respawn window failed: %s", cause);
xfree(cause);
environ_free(&env);
server_destroy_pane(wp);
return (-1);
}
layout_init(w);
screen_reinit(&wp->base);
window_set_active_pane(w, wp);

recalculate_sizes();
server_redraw_window(w);

environ_free(&env);
return (0);
}
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