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/*
* Copyright (C) 2015 Colin Walters <walters@verbum.org>
* Copyright (C) 2022 Huijing Hei <hhei@redhat.com>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "ot-main.h"
#include "ot-admin-builtins.h"
#include "ot-admin-functions.h"
#include "ot-admin-kargs-builtins.h"
#include "otutil.h"
#include <glib/gi18n.h>
static OstreeCommand admin_kargs_subcommands[] = {
{ "edit-in-place", OSTREE_BUILTIN_FLAG_NO_REPO | OSTREE_BUILTIN_FLAG_HIDDEN,
ot_admin_kargs_builtin_edit_in_place,
"Set new kernel command line arguments in place (applies to all deployments by default)" },
{ NULL, 0, NULL, NULL }
};
static GOptionContext *
ostree_admin_kargs_option_context_new_with_commands (void)
{
OstreeCommand *command = admin_kargs_subcommands;
GOptionContext *context = g_option_context_new ("COMMAND");
g_autoptr(GString) summary = g_string_new ("Builtin \"admin kargs\" Commands:");
while (command->name != NULL)
{
if ((command->flags & OSTREE_BUILTIN_FLAG_HIDDEN) == 0)
{
g_string_append_printf (summary, "\n %-24s", command->name);
if (command->description != NULL)
g_string_append_printf (summary, "%s", command->description);
}
command++;
}
g_option_context_set_summary (context, summary->str);
return context;
}
gboolean
ot_admin_builtin_kargs (int argc, char **argv, OstreeCommandInvocation *invocation, GCancellable *cancellable, GError **error)
{
const char *subcommand_name = NULL;
int in, out;
for (in = 1, out = 1; in < argc; in++, out++)
{
/* The non-option is the command, take it out of the arguments */
if (argv[in][0] != '-')
{
if (subcommand_name == NULL)
{
subcommand_name = argv[in];
out--;
continue;
}
}
else if (g_str_equal (argv[in], "--"))
{
break;
}
argv[out] = argv[in];
}
argc = out;
OstreeCommand *subcommand = admin_kargs_subcommands;
while (subcommand->name)
{
if (g_strcmp0 (subcommand_name, subcommand->name) == 0)
break;
subcommand++;
}
if (!subcommand->name)
{
g_autoptr(GOptionContext) context =
ostree_admin_kargs_option_context_new_with_commands ();
/* This will not return for some options (e.g. --version). */
if (ostree_admin_option_context_parse (context, NULL, &argc, &argv,
OSTREE_ADMIN_BUILTIN_FLAG_NO_SYSROOT,
invocation, NULL, cancellable, error))
{
if (subcommand_name == NULL)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No \"admin kargs\" subcommand specified");
}
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
"Unknown \"admin kargs\" subcommand '%s'", subcommand_name);
}
}
g_autofree char *help = g_option_context_get_help (context, FALSE, NULL);
g_printerr ("%s", help);
return FALSE;
}
g_autofree char *prgname = g_strdup_printf ("%s %s", g_get_prgname (), subcommand_name);
g_set_prgname (prgname);
OstreeCommandInvocation sub_invocation = { .command = subcommand };
if (!subcommand->fn (argc, argv, &sub_invocation, cancellable, error))
return FALSE;
return TRUE;
}
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