core: Move commit/dirtree traversal into library
So it can more easily be reused by other builtins.
This commit is contained in:
Colin Walters committed
1 parent
a0b7d94cb6
commit
d8173a5125
5 files changed
+226
-143
No files matched your search
@@ -0,0 +1,164 @@
|
||||
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
|
||||
*
|
||||
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* Author: Colin Walters <walters@verbum.org>
|
||||
*/
|
||||
|
||||
#define _GNU_SOURCE
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include "ostree.h"
|
||||
#include "otutil.h"
|
||||
|
||||
GHashTable *
|
||||
ostree_traverse_new_reachable (void)
|
||||
{
|
||||
return g_hash_table_new_full (ostree_hash_object_name, g_variant_equal,
|
||||
(GDestroyNotify)g_variant_unref, NULL);
|
||||
}
|
||||
|
||||
gboolean
|
||||
ostree_traverse_dirtree (OstreeRepo *repo,
|
||||
const char *dirtree_checksum,
|
||||
GHashTable *inout_reachable,
|
||||
GCancellable *cancellable,
|
||||
GError **error)
|
||||
{
|
||||
gboolean ret = FALSE;
|
||||
GVariant *tree = NULL;
|
||||
GVariant *files_variant = NULL;
|
||||
GVariant *dirs_variant = NULL;
|
||||
int n, i;
|
||||
GVariant *key;
|
||||
|
||||
if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_DIR_TREE, dirtree_checksum, &tree, error))
|
||||
goto out;
|
||||
|
||||
key = ostree_object_name_serialize (dirtree_checksum, OSTREE_OBJECT_TYPE_DIR_TREE);
|
||||
if (!g_hash_table_lookup (inout_reachable, key))
|
||||
{
|
||||
g_hash_table_insert (inout_reachable, key, key);
|
||||
key = NULL;
|
||||
|
||||
/* PARSE OSTREE_SERIALIZED_TREE_VARIANT */
|
||||
files_variant = g_variant_get_child_value (tree, 2);
|
||||
n = g_variant_n_children (files_variant);
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
const char *filename;
|
||||
const char *checksum;
|
||||
|
||||
g_variant_get_child (files_variant, i, "(&s&s)", &filename, &checksum);
|
||||
if (ostree_repo_get_mode (repo) == OSTREE_REPO_MODE_BARE)
|
||||
{
|
||||
key = ostree_object_name_serialize (checksum, OSTREE_OBJECT_TYPE_RAW_FILE);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
key = NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
key = ostree_object_name_serialize (checksum, OSTREE_OBJECT_TYPE_ARCHIVED_FILE_META);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
key = ostree_object_name_serialize (checksum, OSTREE_OBJECT_TYPE_ARCHIVED_FILE_CONTENT);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
key = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
dirs_variant = g_variant_get_child_value (tree, 3);
|
||||
n = g_variant_n_children (dirs_variant);
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
const char *dirname;
|
||||
const char *tree_checksum;
|
||||
const char *meta_checksum;
|
||||
|
||||
g_variant_get_child (dirs_variant, i, "(&s&s&s)",
|
||||
&dirname, &tree_checksum, &meta_checksum);
|
||||
|
||||
if (!ostree_traverse_dirtree (repo, tree_checksum, inout_reachable,
|
||||
cancellable, error))
|
||||
goto out;
|
||||
|
||||
key = ostree_object_name_serialize (meta_checksum, OSTREE_OBJECT_TYPE_DIR_META);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
key = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
ret = TRUE;
|
||||
out:
|
||||
ot_clear_gvariant (&key);
|
||||
ot_clear_gvariant (&tree);
|
||||
ot_clear_gvariant (&files_variant);
|
||||
ot_clear_gvariant (&dirs_variant);
|
||||
return ret;
|
||||
}
|
||||
|
||||
gboolean
|
||||
ostree_traverse_commit (OstreeRepo *repo,
|
||||
const char *commit_checksum,
|
||||
int maxdepth,
|
||||
GHashTable *inout_reachable,
|
||||
GCancellable *cancellable,
|
||||
GError **error)
|
||||
{
|
||||
gboolean ret = FALSE;
|
||||
GVariant *commit = NULL;
|
||||
const char *contents_checksum;
|
||||
const char *meta_checksum;
|
||||
GVariant *key;
|
||||
|
||||
/* PARSE OSTREE_SERIALIZED_COMMIT_VARIANT */
|
||||
if (!ostree_repo_load_variant (repo, OSTREE_OBJECT_TYPE_COMMIT, commit_checksum, &commit, error))
|
||||
goto out;
|
||||
|
||||
key = ostree_object_name_serialize (commit_checksum, OSTREE_OBJECT_TYPE_COMMIT);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
|
||||
g_variant_get_child (commit, 7, "&s", &meta_checksum);
|
||||
key = ostree_object_name_serialize (meta_checksum, OSTREE_OBJECT_TYPE_DIR_META);
|
||||
g_hash_table_replace (inout_reachable, key, key);
|
||||
|
||||
g_variant_get_child (commit, 6, "&s", &contents_checksum);
|
||||
if (!ostree_traverse_dirtree (repo, contents_checksum, inout_reachable, cancellable, error))
|
||||
goto out;
|
||||
|
||||
if (maxdepth == -1 || maxdepth > 0)
|
||||
{
|
||||
const char *parent_checksum;
|
||||
|
||||
g_variant_get_child (commit, 2, "&s", &parent_checksum);
|
||||
|
||||
if (parent_checksum[0])
|
||||
{
|
||||
if (!ostree_traverse_commit (repo, parent_checksum,
|
||||
maxdepth > 0 ? maxdepth - 1 : -1,
|
||||
inout_reachable, cancellable, error))
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
ret = TRUE;
|
||||
out:
|
||||
ot_clear_gvariant (&commit);
|
||||
return ret;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,48 @@
|
||||
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
|
||||
*
|
||||
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* Author: Colin Walters <walters@verbum.org>
|
||||
*/
|
||||
|
||||
#ifndef _OSTREE_TRAVERSE
|
||||
#define _OSTREE_TRAVERSE
|
||||
|
||||
#include "ostree-core.h"
|
||||
#include "ostree-types.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
GHashTable *ostree_traverse_new_reachable (void);
|
||||
|
||||
gboolean ostree_traverse_dirtree (OstreeRepo *repo,
|
||||
const char *commit_checksum,
|
||||
GHashTable *inout_reachable,
|
||||
GCancellable *cancellable,
|
||||
GError **error);
|
||||
|
||||
gboolean ostree_traverse_commit (OstreeRepo *repo,
|
||||
const char *commit_checksum,
|
||||
int maxdepth,
|
||||
GHashTable *inout_reachable,
|
||||
GCancellable *cancellable,
|
||||
GError **error);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* _OSTREE_REPO */
|
||||
@@ -26,5 +26,6 @@
|
||||
#include <ostree-repo.h>
|
||||
#include <ostree-mutable-tree.h>
|
||||
#include <ostree-repo-file.h>
|
||||
#include <ostree-traverse.h>
|
||||
|
||||
#endif
|
||||
Reference in new issue
Block a user