Improved the backup code:

- Backups do not interfere with an atomic update (when possible).
- Backing up a file will remove a directory that is in the way
  and visa versa.
- Unify the backup-dir and non-backup-dir code in backup.c.
- Improved the backup tests a little bit.

1 files changed, 1 insertions, 0 deletions

diff --git a/rsync.h b/rsync.h
index 57bae837..088f90e7 100644
--- a/rsync.h
+++ b/rsync.h
@@ -249,6 +249,7 @@ enum msgcode {
 #define DEL_FOR_SYMLINK 	(1<<5) /* making room for a replacement symlink */
 #define DEL_FOR_DEVICE		(1<<6) /* making room for a replacement device */
 #define DEL_FOR_SPECIAL 	(1<<7) /* making room for a replacement special */
+#define DEL_FOR_BACKUP	 	(1<<8) /* the delete is for a backup operation */
 
 #define DEL_MAKE_ROOM (DEL_FOR_FILE|DEL_FOR_DIR|DEL_FOR_SYMLINK|DEL_FOR_DEVICE|DEL_FOR_SPECIAL)