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-rw-r--r--Documentation/diff-options.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 6b496ede25..3d1175e864 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -18,6 +18,13 @@
object name of pre- and post-image blob on the "index"
line when generating a patch format output.
+--abbrev::
+ Instead of showing the full 40-byte hexadecimal object
+ name in diff-raw format output and diff-tree header
+ lines, show only handful prefix. This is independent of
+ --full-index option above, which controls the diff-patch
+ output format.
+
-B::
Break complete rewrite changes into pairs of delete and create.