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/* $OpenBSD$ */
/*
* Copyright (c) 2007 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 <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
/*
* Attach existing session to the current terminal.
*/
enum cmd_retval cmd_attach_session_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_attach_session_entry = {
.name = "attach-session",
.alias = "attach",
.args = { "c:dErt:", 0, 0 },
.usage = "[-dEr] [-c working-directory] " CMD_TARGET_SESSION_USAGE,
.tflag = CMD_SESSION_WITHPANE,
.flags = CMD_STARTSERVER,
.exec = cmd_attach_session_exec
};
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, int dflag, int rflag, const char *cflag,
int Eflag)
{
struct session *s = cmdq->state.tflag.s;
struct client *c = cmdq->client, *c_loop;
struct winlink *wl = cmdq->state.tflag.wl;
struct window_pane *wp = cmdq->state.tflag.wp;
const char *update;
char *cause, *cwd;
struct format_tree *ft;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if (c == NULL)
return (CMD_RETURN_NORMAL);
if (server_client_check_nested(c)) {
cmdq_error(cmdq, "sessions should be nested with care, "
"unset $TMUX to force");
return (CMD_RETURN_ERROR);
}
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
}
if (cflag != NULL) {
ft = format_create(cmdq, 0);
format_defaults(ft, c, s, wl, wp);
cwd = format_expand(ft, cflag);
format_free(ft);
free((void *)s->cwd);
s->cwd = cwd;
}
if (c->session != NULL) {
if (dflag) {
TAILQ_FOREACH(c_loop, &clients, entry) {
if (c_loop->session != s || c == c_loop)
continue;
server_client_detach(c_loop, MSG_DETACH);
}
}
if (!Eflag) {
update = options_get_string(s->options,
"update-environment");
environ_update(update, c->environ, s->environ);
}
c->session = s;
server_client_set_key_table(c, NULL);
status_timer_start(c);
notify_attached_session_changed(c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(c, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (rflag)
c->flags |= CLIENT_READONLY;
if (dflag) {
TAILQ_FOREACH(c_loop, &clients, entry) {
if (c_loop->session != s || c == c_loop)
continue;
server_client_detach(c_loop, MSG_DETACH);
}
}
if (!Eflag) {
update = options_get_string(s->options,
"update-environment");
environ_update(update, c->environ, s->environ);
}
c->session = s;
server_client_set_key_table(c, NULL);
status_timer_start(c);
notify_attached_session_changed(c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
if (~c->flags & CLIENT_CONTROL)
proc_send(c->peer, MSG_READY, -1, NULL, 0);
hooks_run(c->session->hooks, c, NULL, "client-attached");
cmdq->client_exit = 0;
}
recalculate_sizes();
alerts_check_session(s);
server_update_socket();
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_attach_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
return (cmd_attach_session(cmdq, args_has(args, 'd'),
args_has(args, 'r'), args_get(args, 'c'), args_has(args, 'E')));
}
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