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/*
* Copyright (C) 2011 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, see <https://www.gnu.org/licenses/>.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ostree.h"
#include "ot-builtins.h"
#include "ot-main.h"
#include "otutil.h"
#include <stdbool.h>
/* ATTENTION:
* Please remember to update the bash-completion script (bash/ostree) and
* man page (man/ostree-rev-parse.xml) when changing the option list.
*/
static gboolean opt_single;
static GOptionEntry options[] = { { "single", 'S', 0, G_OPTION_ARG_NONE, &opt_single,
"If the repository has exactly one commit, then print it; any "
"other case will result in an error",
NULL },
{ NULL } };
gboolean
ostree_builtin_rev_parse (int argc, char **argv, OstreeCommandInvocation *invocation,
GCancellable *cancellable, GError **error)
{
g_autoptr (GOptionContext) context = g_option_context_new ("REV");
g_autoptr (OstreeRepo) repo = NULL;
if (!ostree_option_context_parse (context, options, &argc, &argv, invocation, &repo, cancellable,
error))
return FALSE;
if (opt_single)
{
if (argc >= 2)
{
ot_util_usage_error (context, "Cannot specify arguments with --single", error);
return FALSE;
}
g_autoptr (GHashTable) objects = NULL;
if (!ostree_repo_list_commit_objects_starting_with (repo, "", &objects, cancellable, error))
return FALSE;
GVariant *found = NULL;
GLNX_HASH_TABLE_FOREACH (objects, GVariant *, key)
{
if (found)
return glnx_throw (error, "Multiple commit objects found");
found = key;
}
if (!found)
return glnx_throw (error, "No commit objects found");
const char *checksum;
OstreeObjectType objtype;
ostree_object_name_deserialize (found, &checksum, &objtype);
g_assert (objtype == OSTREE_OBJECT_TYPE_COMMIT);
g_print ("%s\n", checksum);
return TRUE; /* Note early return */
}
if (argc < 2)
{
ot_util_usage_error (context, "REV must be specified", error);
return FALSE;
}
for (gint i = 1; i < argc; i++)
{
const char *rev = argv[i];
g_autofree char *resolved_rev = NULL;
if (!ostree_repo_resolve_rev (repo, rev, FALSE, &resolved_rev, error))
return FALSE;
g_print ("%s\n", resolved_rev);
}
return TRUE;
}
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