#include <map>
#include "metadata.h"
+#include "localdb.h"
#include "ref.h"
#include "store.h"
#include "util.h"
static const size_t LBS_METADATA_BLOCK_SIZE = 65536;
+// If true, forces a full write of metadata: will not include pointers to
+// metadata in old snapshots.
+bool flag_full_metadata = false;
+
/* TODO: Move to header file */
+extern LocalDb *db;
void add_segment(const string& segment);
/* Like strcmp, but sorts in the order that files will be visited in the
}
/* Does a file appear to be unchanged from the previous time it was backed up,
- * based on stat information?
- *
- * TODO: Notice files that were modified as they were being backed up the last
- * time. */
+ * based on stat information? */
bool MetadataWriter::is_unchanged(const struct stat *stat_buf)
{
+ if (old_metadata.find("volatile") != old_metadata.end()
+ && parse_int(old_metadata["volatile"]) != 0)
+ return false;
+
if (old_metadata.find("ctime") == old_metadata.end())
return false;
if (stat_buf->st_ctime != parse_int(old_metadata["ctime"]))
ObjectReference indirect;
for (list<MetadataItem>::iterator i = items.begin();
i != items.end(); ++i) {
+ // If indirectly referencing any other metadata logs, be sure those
+ // segments are properly referenced.
+ if (i->reused) {
+ add_segment(i->ref.get_segment());
+ db->UseSegment(i->ref.get_segment(), 1.0);
+ }
+
// Write out an indirect reference to any previous objects which could
// be reused
if (!i->reused || !indirect.merge(i->ref)) {
ObjectReference ref = meta->get_ref();
metadata_root << "@" << ref.to_string() << "\n";
add_segment(ref.get_segment());
+ db->UseSegment(ref.get_segment(), 1.0);
delete meta;
item.reused = false;
item.text += encode_dict(info) + "\n";
- if (info == old_metadata) {
+ if (info == old_metadata && !flag_full_metadata) {
ObjectReference ref = ObjectReference::parse(old_metadata_loc);
if (!ref.is_null()) {
item.reused = true;
root->write(store);
root->checksum();
add_segment(root->get_ref().get_segment());
+ db->UseSegment(root->get_ref().get_segment(), 1.0);
ObjectReference ref = root->get_ref();
delete root;