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/*
* Copyright (C) 2017 Colin Walters <walters@verbum.org>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <err.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <libglnx.h>
#include "ostree-cmdprivate.h"
#include "ostree-mount-util.h"
static const char *arg_dest = "/tmp";
static const char *arg_dest_late = "/tmp";
/* This program is a simple stub that calls the implementation that
* lives inside libostree.
*/
int
main(int argc, char *argv[])
{
/* We conflict with the magic ostree-mount-deployment-var file for ostree-prepare-root */
{ struct stat stbuf;
if (fstatat (AT_FDCWD, INITRAMFS_MOUNT_VAR, &stbuf, 0) == 0)
{
if (unlinkat (AT_FDCWD, INITRAMFS_MOUNT_VAR, 0) < 0)
err (EXIT_FAILURE, "Can't unlink " INITRAMFS_MOUNT_VAR);
exit (EXIT_SUCCESS);
}
}
if (argc > 1 && argc != 4)
errx (EXIT_FAILURE, "This program takes three or no arguments");
if (argc > 1)
arg_dest = argv[1];
if (argc > 3)
arg_dest_late = argv[3];
/* If we're installed on a system which isn't using OSTree for boot (e.g.
* package installed as a dependency for flatpak or whatever), silently
* exit so that we don't error, but at the same time work where switchroot
* is PID 1 (and so hasn't created /run/ostree-booted).
*/
char *ostree_cmdline = read_proc_cmdline_ostree ();
if (!ostree_cmdline)
exit (EXIT_SUCCESS);
/* See comments in ostree-prepare-root.c for this.
*
* It's a lot easier for various bits of userspace to check for
* a file versus parsing the kernel cmdline. So let's ensure
* the stamp file is created here too.
*/
touch_run_ostree ();
{ g_autoptr(GError) local_error = NULL;
if (!ostree_cmd__private__()->ostree_system_generator (ostree_cmdline, arg_dest, NULL, arg_dest_late, &local_error))
errx (EXIT_FAILURE, "%s", local_error->message);
}
exit (EXIT_SUCCESS);
}
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