4 files changed, 61 insertions, 2 deletions
diff --git a/include/git2/sys/odb_backend.h b/include/git2/sys/odb_backend.h
index 4365906d4..8039a5b82 100644
--- a/include/git2/sys/odb_backend.h
+++ b/include/git2/sys/odb_backend.h
@@ -80,7 +80,7 @@ struct git_odb_backend {
 		git_odb_backend *, git_odb_foreach_cb cb, void *payload);
 
 	int (* writepack)(
-		git_odb_writepack **, git_odb_backend *,
+		git_odb_writepack **, git_odb_backend *, git_odb *odb,
 		git_transfer_progress_callback progress_cb, void *progress_payload);
 
 	void (* free)(git_odb_backend *);
diff --git a/include/git2/sys/refdb_backend.h b/include/git2/sys/refdb_backend.h
index addaa86fd..9cf5073fb 100644
--- a/include/git2/sys/refdb_backend.h
+++ b/include/git2/sys/refdb_backend.h
@@ -119,6 +119,26 @@ struct git_refdb_backend {
 	 * provide this function; if it is not provided, nothing will be done.
 	 */
 	void (*free)(git_refdb_backend *backend);
+
+	/**
+	 * Read the reflog for the given reference name.
+	 */
+	int (*reflog_read)(git_reflog **out, git_refdb_backend *backend, const char *name);
+
+	/**
+	 * Write a reflog to disk.
+	 */
+	int (*reflog_write)(git_refdb_backend *backend, git_reflog *reflog);
+
+	/**
+	 * Rename a reflog
+	 */
+	int (*reflog_rename)(git_refdb_backend *_backend, const char *old_name, const char *new_name);
+
+	/**
+	 * Remove a reflog.
+	 */
+	int (*reflog_delete)(git_refdb_backend *backend, const char *name);
 };
 
 #define GIT_REFDB_BACKEND_VERSION 1
diff --git a/include/git2/sys/reflog.h b/include/git2/sys/reflog.h
new file mode 100644
index 000000000..c9d0041b9
--- /dev/null
+++ b/include/git2/sys/reflog.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_sys_git_reflog_h__
+#define INCLUDE_sys_git_reflog_h__
+
+#include "git2/common.h"
+#include "git2/types.h"
+#include "git2/oid.h"
+
+GIT_BEGIN_DECL
+
+GIT_EXTERN(git_reflog_entry *) git_reflog_entry__alloc(void);
+GIT_EXTERN(void) git_reflog_entry__free(git_reflog_entry *entry);
+
+GIT_END_DECL
+
+#endif
diff --git a/include/git2/sys/repository.h b/include/git2/sys/repository.h
index ba3d65ae5..36f8b5836 100644
--- a/include/git2/sys/repository.h
+++ b/include/git2/sys/repository.h
@@ -27,7 +27,6 @@ GIT_BEGIN_DECL
  */
 GIT_EXTERN(int) git_repository_new(git_repository **out);
 
-
 /**
  * Reset all the internal state in a repository.
  *
@@ -42,6 +41,25 @@ GIT_EXTERN(int) git_repository_new(git_repository **out);
 GIT_EXTERN(void) git_repository__cleanup(git_repository *repo);
 
 /**
+ * Update the filesystem config settings for an open repository
+ *
+ * When a repository is initialized, config values are set based on the
+ * properties of the filesystem that the repository is on, such as
+ * "core.ignorecase", "core.filemode", "core.symlinks", etc.  If the
+ * repository is moved to a new filesystem, these properties may no
+ * longer be correct and API calls may not behave as expected.  This
+ * call reruns the phase of repository initialization that sets those
+ * properties to compensate for the current filesystem of the repo.
+ *
+ * @param repo A repository object
+ * @param recurse_submodules Should submodules be updated recursively
+ * @returrn 0 on success, < 0 on error
+ */
+GIT_EXTERN(int) git_repository_reinit_filesystem(
+	git_repository *repo,
+	int recurse_submodules);
+
+/**
  * Set the configuration file for this repository
  *
  * This configuration file will be used for all configuration