/* $OpenBSD$ */

/*
* Copyright (c) 2007 Nicholas Marriott <[email protected]>
*
* 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 <stdlib.h>
#include <string.h>

#include "tmux.h"

/*
* Change session name.
*/

static enum cmd_retval  cmd_rename_session_exec(struct cmd *,
                           struct cmdq_item *);

const struct cmd_entry cmd_rename_session_entry = {
       .name = "rename-session",
       .alias = "rename",

       .args = { "t:", 1, 1, NULL },
       .usage = CMD_TARGET_SESSION_USAGE " new-name",

       .target = { 't', CMD_FIND_SESSION, 0 },

       .flags = CMD_AFTERHOOK,
       .exec = cmd_rename_session_exec
};

static enum cmd_retval
cmd_rename_session_exec(struct cmd *self, struct cmdq_item *item)
{
       struct args             *args = cmd_get_args(self);
       struct cmd_find_state   *target = cmdq_get_target(item);
       struct session          *s = target->s;
       char                    *newname, *tmp;

       tmp = format_single_from_target(item, args_string(args, 0));
       newname = session_check_name(tmp);
       if (newname == NULL) {
               cmdq_error(item, "invalid session: %s", tmp);
               free(tmp);
               return (CMD_RETURN_ERROR);
       }
       free(tmp);
       if (strcmp(newname, s->name) == 0) {
               free(newname);
               return (CMD_RETURN_NORMAL);
       }
       if (session_find(newname) != NULL) {
               cmdq_error(item, "duplicate session: %s", newname);
               free(newname);
               return (CMD_RETURN_ERROR);
       }

       RB_REMOVE(sessions, &sessions, s);
       free(s->name);
       s->name = newname;
       RB_INSERT(sessions, &sessions, s);

       server_status_session(s);
       notify_session("session-renamed", s);

       return (CMD_RETURN_NORMAL);
}