X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=Documentation%2Fdiff-options.txt;h=9e574a04d3904228f835eca2ab698c66b92bf2a8;hb=9470657ad0d0472e3e3c2e352334f60e7bd777c1;hp=6b496ede2550cf573a3a7ce37db908e6b3ab631e;hpb=56fc63193975edd4b9f520b6c65c2b97ecd8ee38;p=git.git

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 6b496ede..9e574a04 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -18,6 +18,14 @@
 	object name of pre- and post-image blob on the "index"
 	line when generating a patch format output.	
 
+--abbrev[=<n>]::
+	Instead of showing the full 40-byte hexadecimal object
+	name in diff-raw format output and diff-tree header
+	lines, show only handful dhexigits prefix.  This is
+	independent of --full-index option above, which controls
+	the diff-patch output format.  Non default number of
+	digits can be specified with --abbrev=<n>.
+
 -B::
 	Break complete rewrite changes into pairs of delete and create.