1 /* $OpenBSD: cmd-respawn-pane.c,v 1.20 2016/01/19 15:59:12 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * Copyright (c) 2011 Marcel P. Partap <mpartap@gmx.net> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 16 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 17 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <sys/types.h> 21 22 #include <stdlib.h> 23 #include <unistd.h> 24 25 #include "tmux.h" 26 27 /* 28 * Respawn a pane (restart the command). Kill existing if -k given. 29 */ 30 31 enum cmd_retval cmd_respawn_pane_exec(struct cmd *, struct cmd_q *); 32 33 const struct cmd_entry cmd_respawn_pane_entry = { 34 .name = "respawn-pane", 35 .alias = "respawnp", 36 37 .args = { "kt:", 0, -1 }, 38 .usage = "[-k] " CMD_TARGET_PANE_USAGE " [command]", 39 40 .tflag = CMD_PANE, 41 42 .flags = 0, 43 .exec = cmd_respawn_pane_exec 44 }; 45 46 enum cmd_retval 47 cmd_respawn_pane_exec(struct cmd *self, struct cmd_q *cmdq) 48 { 49 struct args *args = self->args; 50 struct winlink *wl = cmdq->state.tflag.wl; 51 struct window *w = wl->window; 52 struct window_pane *wp = cmdq->state.tflag.wp; 53 struct session *s = cmdq->state.tflag.s; 54 struct environ *env; 55 const char *path; 56 char *cause; 57 u_int idx; 58 struct environ_entry *envent; 59 60 if (!args_has(self->args, 'k') && wp->fd != -1) { 61 if (window_pane_index(wp, &idx) != 0) 62 fatalx("index not found"); 63 cmdq_error(cmdq, "pane still active: %s:%d.%u", 64 s->name, wl->idx, idx); 65 return (CMD_RETURN_ERROR); 66 } 67 68 env = environ_create(); 69 environ_copy(global_environ, env); 70 environ_copy(s->environ, env); 71 server_fill_environ(s, env); 72 73 window_pane_reset_mode(wp); 74 screen_reinit(&wp->base); 75 input_init(wp); 76 77 path = NULL; 78 if (cmdq->client != NULL && cmdq->client->session == NULL) 79 envent = environ_find(cmdq->client->environ, "PATH"); 80 else 81 envent = environ_find(s->environ, "PATH"); 82 if (envent != NULL) 83 path = envent->value; 84 85 if (window_pane_spawn(wp, args->argc, args->argv, path, NULL, NULL, env, 86 s->tio, &cause) != 0) { 87 cmdq_error(cmdq, "respawn pane failed: %s", cause); 88 free(cause); 89 environ_free(env); 90 return (CMD_RETURN_ERROR); 91 } 92 wp->flags |= PANE_REDRAW; 93 server_status_window(w); 94 95 environ_free(env); 96 return (CMD_RETURN_NORMAL); 97 } 98