1 files changed, 116 insertions, 0 deletions
diff --git a/subversion/libsvn_fs_base/uuid.c b/subversion/libsvn_fs_base/uuid.c
new file mode 100644
index 0000000..c865df3
--- /dev/null
+++ b/subversion/libsvn_fs_base/uuid.c
@@ -0,0 +1,116 @@
+/* uuid.c : operations on repository uuids
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you under the Apache License, Version 2.0 (the
+ *    "License"); you may not use this file except in compliance
+ *    with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing,
+ *    software distributed under the License is distributed on an
+ *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *    KIND, either express or implied.  See the License for the
+ *    specific language governing permissions and limitations
+ *    under the License.
+ * ====================================================================
+ */
+
+#include "svn_pools.h"
+#include "fs.h"
+#include "trail.h"
+#include "err.h"
+#include "uuid.h"
+#include "bdb/uuids-table.h"
+#include "../libsvn_fs/fs-loader.h"
+
+#include "private/svn_fs_util.h"
+
+
+struct get_uuid_args
+{
+  int idx;
+  const char **uuid;
+};
+
+
+static svn_error_t *
+txn_body_get_uuid(void *baton, trail_t *trail)
+{
+  struct get_uuid_args *args = baton;
+  return svn_fs_bdb__get_uuid(trail->fs, args->idx, args->uuid,
+                              trail, trail->pool);
+}
+
+
+svn_error_t *
+svn_fs_base__populate_uuid(svn_fs_t *fs,
+                           apr_pool_t *scratch_pool)
+{
+
+  SVN_ERR(svn_fs__check_fs(fs, TRUE));
+
+  /* We hit the database. */
+    {
+      const char *uuid;
+      struct get_uuid_args args;
+
+      args.idx = 1;
+      args.uuid = &uuid;
+      SVN_ERR(svn_fs_base__retry_txn(fs, txn_body_get_uuid, &args,
+                                     FALSE, scratch_pool));
+
+      if (uuid)
+        {
+          /* Toss what we find into the cache. */
+          fs->uuid = apr_pstrdup(fs->pool, uuid);
+        }
+    }
+
+  return SVN_NO_ERROR;
+}
+
+
+struct set_uuid_args
+{
+  int idx;
+  const char *uuid;
+};
+
+
+static svn_error_t *
+txn_body_set_uuid(void *baton, trail_t *trail)
+{
+  struct set_uuid_args *args = baton;
+  return svn_fs_bdb__set_uuid(trail->fs, args->idx, args->uuid,
+                              trail, trail->pool);
+}
+
+
+svn_error_t *
+svn_fs_base__set_uuid(svn_fs_t *fs,
+                      const char *uuid,
+                      apr_pool_t *pool)
+{
+  struct set_uuid_args args;
+
+  SVN_ERR(svn_fs__check_fs(fs, TRUE));
+
+  if (! uuid)
+    uuid = svn_uuid_generate(pool);
+
+  args.idx = 1;
+  args.uuid = uuid;
+  SVN_ERR(svn_fs_base__retry_txn(fs, txn_body_set_uuid, &args, TRUE, pool));
+
+  /* Toss our value into the cache. */
+  if (uuid)
+    fs->uuid = apr_pstrdup(fs->pool, uuid);
+
+  return SVN_NO_ERROR;
+}
+