tmux/cmd-respawn-pane.c

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2012-03-17 22:34:12 +00:00
/* $OpenBSD$ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
* Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Respawn a pane (restart the command). Kill existing if -k given.
*/
static enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmdq_item *);
const struct cmd_entry cmd_respawn_pane_entry = {
.name = "respawn-pane",
.alias = "respawnp",
.args = { "c:e:kt:", 0, -1, NULL },
.usage = "[-k] [-c start-directory] [-e environment] "
CMD_TARGET_PANE_USAGE " [shell-command]",
.target = { 't', CMD_FIND_PANE, 0 },
.flags = 0,
.exec = cmd_respawn_pane_exec
};
static enum cmd_retval
cmd_respawn_pane_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
struct cmd_find_state *target = cmdq_get_target(item);
struct spawn_context sc = { 0 };
struct session *s = target->s;
struct winlink *wl = target->wl;
struct window_pane *wp = target->wp;
char *cause = NULL;
struct args_value *av;
sc.item = item;
sc.s = s;
sc.wl = wl;
sc.wp0 = wp;
args_to_vector(args, &sc.argc, &sc.argv);
sc.environ = environ_create();
av = args_first_value(args, 'e');
while (av != NULL) {
environ_put(sc.environ, av->string, 0);
av = args_next_value(av);
}
sc.idx = -1;
sc.cwd = args_get(args, 'c');
sc.flags = SPAWN_RESPAWN;
if (args_has(args, 'k'))
sc.flags |= SPAWN_KILL;
if (spawn_pane(&sc, &cause) == NULL) {
cmdq_error(item, "respawn pane failed: %s", cause);
free(cause);
if (sc.argv != NULL)
cmd_free_argv(sc.argc, sc.argv);
environ_free(sc.environ);
return (CMD_RETURN_ERROR);
}
wp->flags |= PANE_REDRAW;
server_redraw_window_borders(wp->window);
server_status_window(wp->window);
if (sc.argv != NULL)
cmd_free_argv(sc.argc, sc.argv);
environ_free(sc.environ);
return (CMD_RETURN_NORMAL);
}