Add support for "restore --sparse"

[bup.git] / Documentation / bup-restore.md

diff --git a/Documentation/bup-restore.md b/Documentation/bup-restore.md
index e57ecac6b4ccf0d320ab741f29964dde7af6cfb6..dacfc7dbb3b62437ad5e6ef92a5641720fb62f57 100644 (file)
--- a/Documentation/bup-restore.md
+++ b/Documentation/bup-restore.md
@@ -119,7 +119,12 @@ See the EXAMPLES section for a demonstration.
 
 \--exclude-rx-from=*filename*
 :   read --exclude-rx patterns from *filename*, one pattern per-line
-    (may be repeated).
+    (may be repeated).  Ignore completely empty lines.
+
+\--sparse
+:   write output data sparsely when reasonable.  Currently, reasonable
+    just means "at least whenever there are 512 or more consecutive
+    zeroes".
 
 \--map-user *old*=*new*
 :   for every path, restore the *old* (saved) user name as *new*.
@@ -159,8 +164,8 @@ See the EXAMPLES section for a demonstration.
     a tty, a progress display is printed that shows the
     total number of files restored.
 
-# EXAMPLE
-    
+# EXAMPLES
+
 Create a simple test backup set:
     
     $ bup index -u /etc