'\n', NULL, 0);
}
+struct object_directory *set_temporary_primary_odb(const char *dir, int will_destroy)
+{
+ struct object_directory *new_odb;
+
+ /*
+ * Make sure alternates are initialized, or else our entry may be
+ * overwritten when they are.
+ */
+ prepare_alt_odb(the_repository);
+
+ /*
+ * Make a new primary odb and link the old primary ODB in as an
+ * alternate
+ */
+ new_odb = xcalloc(1, sizeof(*new_odb));
+ new_odb->path = xstrdup(dir);
+
+ /*
+ * Disable ref updates while a temporary odb is active, since
+ * the objects in the database may roll back.
+ */
+ new_odb->disable_ref_updates = 1;
+ new_odb->will_destroy = will_destroy;
+ new_odb->next = the_repository->objects->odb;
+ the_repository->objects->odb = new_odb;
+ return new_odb->next;
+}
+
+void restore_primary_odb(struct object_directory *restore_odb, const char *old_path)
+{
+ struct object_directory *cur_odb = the_repository->objects->odb;
+
+ if (strcmp(old_path, cur_odb->path))
+ BUG("expected %s as primary object store; found %s",
+ old_path, cur_odb->path);
+
+ if (cur_odb->next != restore_odb)
+ BUG("we expect the old primary object store to be the first alternate");
+
+ the_repository->objects->odb = restore_odb;
+ free_object_directory(cur_odb);
+}
+
/*
* Compute the exact path an alternate is at and returns it. In case of
* error NULL is returned and the human readable error is added to `err`
/* Finalize a file on disk, and close it. */
static void close_loose_object(int fd)
{
- if (fsync_object_files)
- fsync_or_die(fd, "loose object file");
+ if (!the_repository->objects->odb->will_destroy) {
+ if (fsync_object_files)
+ fsync_or_die(fd, "loose object file");
+ }
+
if (close(fd) != 0)
die_errno(_("error when closing loose object file"));
}