tmux/cmd-respawn-window.c
nicm c4b0da5513 Support multiple occurances of the same argument. Use this for a new
flag -e to new-window, split-window, respawn-window, respawn-pane to
pass environment variables into the newly created process. From Steffen
Christgau in GitHub issue 1697.
2019-04-28 20:05:50 +00:00

92 lines
2.3 KiB
C

/* $OpenBSD$ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 window (restart the command). Kill existing if -k given.
*/
static enum cmd_retval cmd_respawn_window_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_respawn_window_entry = {
.name = "respawn-window",
.alias = "respawnw",
.args = { "c:e:kt:", 0, -1 },
.usage = "[-k] [-c start-directory] [-e environment] "
CMD_TARGET_WINDOW_USAGE " [command]",
.target = { 't', CMD_FIND_WINDOW, 0 },
.flags = 0,
.exec = cmd_respawn_window_exec
};
static enum cmd_retval
cmd_respawn_window_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct spawn_context sc;
struct session *s = item->target.s;
struct winlink *wl = item->target.wl;
char *cause = NULL;
const char *add;
struct args_value *value;
memset(&sc, 0, sizeof sc);
sc.item = item;
sc.s = s;
sc.wl = wl;
sc.name = NULL;
sc.argc = args->argc;
sc.argv = args->argv;
sc.environ = environ_create();
add = args_first_value(args, 'e', &value);
while (add != NULL) {
environ_put(sc.environ, add);
add = args_next_value(&value);
}
sc.idx = -1;
sc.cwd = args_get(args, 'c');
sc.flags = SPAWN_RESPAWN;
if (args_has(args, 'k'))
sc.flags |= SPAWN_KILL;
if (spawn_window(&sc, &cause) == NULL) {
cmdq_error(item, "respawn window failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
server_redraw_window(wl->window);
environ_free(sc.environ);
return (CMD_RETURN_NORMAL);
}