/* $OpenBSD: cmd-rename-session.c,v 1.35 2021/08/21 10:22:39 nicm Exp $ */

/*
 * 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 <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);
}