71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <command.h>
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#include <errno.h>
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#include <getopt.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <envfs.h>
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static int do_saveenv(int argc, char *argv[])
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{
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int ret, opt;
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unsigned envfs_flags = 0;
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char *filename = NULL, *dirname = NULL;
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printf("saving environment\n");
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while ((opt = getopt(argc, argv, "z")) > 0) {
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switch (opt) {
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case 'z':
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envfs_flags |= ENVFS_FLAGS_FORCE_BUILT_IN;
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break;
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}
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}
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/* destination and source are given? */
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if (argc - optind > 1)
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dirname = argv[optind + 1];
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/* destination only given? */
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if (argc - optind > 0)
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filename = argv[optind];
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ret = envfs_save(filename, dirname, envfs_flags);
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return ret;
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}
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BAREBOX_CMD_HELP_START(saveenv)
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BAREBOX_CMD_HELP_TEXT("Save the files in DIRECTORY to the persistent storage device ENVFS.")
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BAREBOX_CMD_HELP_TEXT("")
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BAREBOX_CMD_HELP_TEXT("ENVFS is usually a block in flash but can be any other file. If")
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BAREBOX_CMD_HELP_TEXT("omitted, DIRECTORY defaults to /env and ENVFS defaults to")
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BAREBOX_CMD_HELP_TEXT("/dev/env0.")
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BAREBOX_CMD_HELP_OPT ("-z", "force the built-in default environment at startup")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(saveenv)
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.cmd = do_saveenv,
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BAREBOX_CMD_DESC("save environment to persistent storage")
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BAREBOX_CMD_OPTS("[-z] [ENVFS [DIRECTORY]]")
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BAREBOX_CMD_GROUP(CMD_GRP_ENV)
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BAREBOX_CMD_HELP(cmd_saveenv_help)
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BAREBOX_CMD_END
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