/*
* 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, see .
*/
#include "config.h"
#include
#include
#include
#include
#include
#include "libglnx.h"
#include "ostree.h"
#include "ostree-core-private.h"
#include "ostree-repo-os.h"
#include "otutil.h"
/**
* ostree_commit_metadata_for_bootable:
* @root: Root filesystem to be committed
* @dict: Dictionary to update
*
* Update provided @dict with standard metadata for bootable OSTree commits.
* Since: 2021.1
*/
_OSTREE_PUBLIC
gboolean
ostree_commit_metadata_for_bootable (GFile *root, GVariantDict *dict, GCancellable *cancellable, GError **error)
{
g_autoptr(GFile) modules = g_file_resolve_relative_path (root, "usr/lib/modules");
g_autoptr(GFileEnumerator) dir_enum
= g_file_enumerate_children (modules, OSTREE_GIO_FAST_QUERYINFO,
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS,
cancellable, error);
if (!dir_enum)
return glnx_prefix_error (error, "Opening usr/lib/modules");
g_autofree char *linux_release = NULL;
while (TRUE)
{
GFileInfo *child_info;
GFile *child_path;
if (!g_file_enumerator_iterate (dir_enum, &child_info, &child_path,
cancellable, error))
return FALSE;
if (child_info == NULL)
break;
if (g_file_info_get_file_type (child_info) != G_FILE_TYPE_DIRECTORY)
continue;
g_autoptr(GFile) kernel_path = g_file_resolve_relative_path (child_path, "vmlinuz");
if (!g_file_query_exists (kernel_path, NULL))
continue;
if (linux_release != NULL)
return glnx_throw (error, "Multiple kernels found in /usr/lib/modules");
linux_release = g_strdup (g_file_info_get_name (child_info));
}
if (linux_release)
{
g_variant_dict_insert (dict, OSTREE_METADATA_KEY_BOOTABLE, "b", TRUE);
g_variant_dict_insert (dict, OSTREE_METADATA_KEY_LINUX, "s", linux_release);
return TRUE;
}
return glnx_throw (error, "No kernel found in /usr/lib/modules");
}