1 /* $OpenBSD: cmd-respawn-window.c,v 1.44 2020/04/13 20:51:57 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 = cmd_get_args(self); 51 struct cmd_find_state *target = cmdq_get_target(item); 52 struct spawn_context sc; 53 struct client *tc = cmdq_get_target_client(item); 54 struct session *s = target->s; 55 struct winlink *wl = target->wl; 56 char *cause = NULL; 57 const char *add; 58 struct args_value *value; 59 60 memset(&sc, 0, sizeof sc); 61 sc.item = item; 62 sc.s = s; 63 sc.wl = wl; 64 sc.tc = tc; 65 66 sc.name = NULL; 67 sc.argc = args->argc; 68 sc.argv = args->argv; 69 sc.environ = environ_create(); 70 71 add = args_first_value(args, 'e', &value); 72 while (add != NULL) { 73 environ_put(sc.environ, add, 0); 74 add = args_next_value(&value); 75 } 76 77 sc.idx = -1; 78 sc.cwd = args_get(args, 'c'); 79 80 sc.flags = SPAWN_RESPAWN; 81 if (args_has(args, 'k')) 82 sc.flags |= SPAWN_KILL; 83 84 if (spawn_window(&sc, &cause) == NULL) { 85 cmdq_error(item, "respawn window failed: %s", cause); 86 free(cause); 87 return (CMD_RETURN_ERROR); 88 } 89 90 server_redraw_window(wl->window); 91 92 environ_free(sc.environ); 93 return (CMD_RETURN_NORMAL); 94 } 95