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barebox/commands/saveenv.c

62 lines
1.7 KiB
C

/*
* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <fs.h>
#include <fcntl.h>
#include <envfs.h>
static int do_saveenv(int argc, char *argv[])
{
int ret;
char *filename, *dirname;
printf("saving environment\n");
if (argc < 3)
dirname = "/env";
else
dirname = argv[2];
if (argc < 2)
filename = default_environment_path_get();
else
filename = argv[1];
ret = envfs_save(filename, dirname);
return ret;
}
BAREBOX_CMD_HELP_START(saveenv)
BAREBOX_CMD_HELP_TEXT("Save the files in DIRECTORY to the persistent storage device ENVFS.")
BAREBOX_CMD_HELP_TEXT("")
BAREBOX_CMD_HELP_TEXT("ENVFS is usually a block in flash but can be any other file. If")
BAREBOX_CMD_HELP_TEXT("omitted, DIRECTORY defaults to /env and ENVFS defaults to")
BAREBOX_CMD_HELP_TEXT("/dev/env0. Note that envfs can only handle files, directories are being")
BAREBOX_CMD_HELP_TEXT("skipped silently.")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(saveenv)
.cmd = do_saveenv,
BAREBOX_CMD_DESC("save environment to persistent storage")
BAREBOX_CMD_OPTS("[ENVFS] [DIRECTORY]")
BAREBOX_CMD_GROUP(CMD_GRP_ENV)
BAREBOX_CMD_HELP(cmd_saveenv_help)
BAREBOX_CMD_END