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/*
* Copyright (C) 2013 Stef Walter <stefw@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/>.
*
* Author: Stef Walter <stefw@redhat.com>
*/
#include "config.h"
#include "ot-main.h"
#include "ot-builtins.h"
#include "ostree.h"
#include "otutil.h"
/* ATTENTION:
* Please remember to update the bash-completion script (bash/ostree) and
* man page (man/ostree-reset.xml) when changing the option list.
*/
static GOptionEntry options[] = {
{ NULL }
};
gboolean
ostree_builtin_reset (int argc,
char **argv,
OstreeCommandInvocation *invocation,
GCancellable *cancellable,
GError **error)
{
g_autoptr(GOptionContext) context = NULL;
g_autoptr(OstreeRepo) repo = NULL;
g_autoptr(GHashTable) known_refs = NULL;
gboolean ret = FALSE;
const char *ref;
const char *target = NULL;
g_autofree char *checksum = NULL;
/* FIXME: Add support for collection–refs. */
context = g_option_context_new ("REF COMMIT");
if (!ostree_option_context_parse (context, options, &argc, &argv, invocation, &repo, cancellable, error))
goto out;
if (!ostree_ensure_repo_writable (repo, error))
goto out;
if (argc <= 2)
{
ot_util_usage_error (context, "A REF and COMMIT argument is required", error);
goto out;
}
ref = argv[1];
target = argv[2];
if (!ostree_repo_list_refs (repo, NULL, &known_refs, cancellable, error))
goto out;
if (!g_hash_table_contains (known_refs, ref))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR, "Invalid ref '%s'", ref);
goto out;
}
if (!ostree_repo_resolve_rev (repo, target, FALSE, &checksum, error))
goto out;
if (!ostree_repo_prepare_transaction (repo, NULL, cancellable, error))
goto out;
ostree_repo_transaction_set_ref (repo, NULL, ref, checksum);
if (!ostree_repo_commit_transaction (repo, NULL, cancellable, error))
goto out;
ret = TRUE;
out:
if (repo)
ostree_repo_abort_transaction (repo, cancellable, NULL);
return ret;
}
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