Add documentation for compression levels

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

diff --git a/Documentation/bup-save.md b/Documentation/bup-save.md
index 8ae40f17ee5451f61fdb6cec77256e665839e266..d8b9ca6195aac01fad513c2bd894fbabd1d44db9 100644 (file)
--- a/Documentation/bup-save.md
+++ b/Documentation/bup-save.md
@@ -8,7 +8,7 @@ bup-save - create a new bup backup set
 
 # SYNOPSIS
 
-bup save [-r *host*:*path*] <-t|-c|-n *name*> [-f *indexfile*]
+bup save [-r *host*:*path*] <-t|-c|-n *name*> [-0|-9] [-f *indexfile*]
 [-v] [-q] [--smaller=*maxsize*] <paths...>
 
 # DESCRIPTION
@@ -100,6 +100,16 @@ for `bup-index`(1).
     "bup save -n chroots --graft /root/chroot/a/etc=/chroots/a"
     would be saved as */chroots/a/etc*
 
+-0
+:   set the compression level to 0 (no compression)
+
+    If no compression level is set it defaults to 1.
+
+-9
+:   set the compression level to 9 (highest compression, slowest)
+
+    If no compression level is set it defaults to 1.
+
 # EXAMPLE
 
     $ bup index -ux /etc