1 /* $OpenBSD: cmd-respawn-window.c,v 1.39 2019/04/28 20:05:50 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 <string.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:e:kt:", 0, -1 }, 38 .usage = "[-k] [-c start-directory] [-e environment] " 39 CMD_TARGET_WINDOW_USAGE " [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 spawn_context sc; 52 struct session *s = item->target.s; 53 struct winlink *wl = item->target.wl; 54 char *cause = NULL; 55 const char *add; 56 struct args_value *value; 57 58 memset(&sc, 0, sizeof sc); 59 sc.item = item; 60 sc.s = s; 61 sc.wl = wl; 62 63 sc.name = NULL; 64 sc.argc = args->argc; 65 sc.argv = args->argv; 66 sc.environ = environ_create(); 67 68 add = args_first_value(args, 'e', &value); 69 while (add != NULL) { 70 environ_put(sc.environ, add); 71 add = args_next_value(&value); 72 } 73 74 sc.idx = -1; 75 sc.cwd = args_get(args, 'c'); 76 77 sc.flags = SPAWN_RESPAWN; 78 if (args_has(args, 'k')) 79 sc.flags |= SPAWN_KILL; 80 81 if (spawn_window(&sc, &cause) == NULL) { 82 cmdq_error(item, "respawn window failed: %s", cause); 83 free(cause); 84 return (CMD_RETURN_ERROR); 85 } 86 87 server_redraw_window(wl->window); 88 89 environ_free(sc.environ); 90 return (CMD_RETURN_NORMAL); 91 } 92