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	5d519ba526
	
	
	
		
			
			unattached sessions when choosing the most recently used (if -t is not given). Suggested by claudio@.
		
			
				
	
	
		
			113 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* $OpenBSD$ */
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| 
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| /*
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|  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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|  *
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|  * Permission to use, copy, modify, and distribute this software for any
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|  * purpose with or without fee is hereby granted, provided that the above
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|  * copyright notice and this permission notice appear in all copies.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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|  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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|  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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|  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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|  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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|  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #include <sys/types.h>
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| 
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| #include "tmux.h"
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| 
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| /*
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|  * Attach existing session to the current terminal.
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|  */
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| 
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| int	cmd_attach_session_exec(struct cmd *, struct cmd_ctx *);
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| 
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| const struct cmd_entry cmd_attach_session_entry = {
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| 	"attach-session", "attach",
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| 	"drt:", 0, 0,
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| 	"[-dr] " CMD_TARGET_SESSION_USAGE,
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| 	CMD_CANTNEST|CMD_STARTSERVER|CMD_SENDENVIRON,
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| 	NULL,
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| 	NULL,
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| 	cmd_attach_session_exec
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| };
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| 
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| int
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| cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
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| {
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| 	struct args	*args = self->args;
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| 	struct session	*s;
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| 	struct client	*c;
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| 	const char	*update;
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| 	char		*overrides, *cause;
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| 	u_int		 i;
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| 
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| 	if (RB_EMPTY(&sessions)) {
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| 		ctx->error(ctx, "no sessions");
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| 		return (-1);
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| 	}
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| 
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| 	if ((s = cmd_find_session(ctx, args_get(args, 't'), 1)) == NULL)
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| 		return (-1);
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| 
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| 	if (ctx->cmdclient == NULL && ctx->curclient == NULL)
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| 		return (0);
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| 
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| 	if (ctx->cmdclient == NULL) {
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| 		if (args_has(self->args, 'd')) {
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| 			/*
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| 			 * Can't use server_write_session in case attaching to
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| 			 * the same session as currently attached to.
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| 			 */
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| 			for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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| 				c = ARRAY_ITEM(&clients, i);
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| 				if (c == NULL || c->session != s)
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| 					continue;
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| 				if (c == ctx->curclient)
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| 					continue;
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| 				server_write_client(c, MSG_DETACH, NULL, 0);
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| 			}
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| 		}
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| 
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| 		ctx->curclient->session = s;
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| 		session_update_activity(s);
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| 		server_redraw_client(ctx->curclient);
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| 	} else {
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| 		if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
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| 			ctx->error(ctx, "not a terminal");
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| 			return (-1);
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| 		}
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| 
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| 		overrides =
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| 		    options_get_string(&s->options, "terminal-overrides");
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| 		if (tty_open(&ctx->cmdclient->tty, overrides, &cause) != 0) {
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| 			ctx->error(ctx, "terminal open failed: %s", cause);
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| 			xfree(cause);
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| 			return (-1);
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| 		}
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| 
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| 		if (args_has(self->args, 'r'))
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| 			ctx->cmdclient->flags |= CLIENT_READONLY;
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| 
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| 		if (args_has(self->args, 'd'))
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| 			server_write_session(s, MSG_DETACH, NULL, 0);
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| 
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| 		ctx->cmdclient->session = s;
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| 		session_update_activity(s);
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| 		server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
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| 
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| 		update = options_get_string(&s->options, "update-environment");
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| 		environ_update(update, &ctx->cmdclient->environ, &s->environ);
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| 
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| 		server_redraw_client(ctx->cmdclient);
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| 	}
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| 	recalculate_sizes();
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| 	server_update_socket();
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| 
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| 	return (1);	/* 1 means don't tell command client to exit */
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| }
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