X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=Documentation%2Fgit-diff-cache.txt;h=f6dd7037d5cd675fdf5bb0e7214a6fafb6559c10;hb=a92bebe6978edaea2885a627e7bef6f7f8b208c2;hp=9c7832f6e2f48a2f74e7db9bbce5fea7cda5f390;hpb=af5323e0274fad058f13949b89a9191a7bef7e38;p=git.git

diff --git a/Documentation/git-diff-cache.txt b/Documentation/git-diff-cache.txt
index 9c7832f6..f6dd7037 100644
--- a/Documentation/git-diff-cache.txt
+++ b/Documentation/git-diff-cache.txt
@@ -9,7 +9,7 @@ git-diff-cache - Compares content and mode of blobs between the cache and reposi
 
 SYNOPSIS
 --------
-'git-diff-cache' [-p] [-r] [-z] [-m] [-B] [-M] [-R] [-C] [-O<orderfile>] [-S<string>] [--pickaxe-all] [--cached] <tree-ish> [<path>...]
+'git-diff-cache' [-p] [-r] [-z] [-m] [--cached] [-R] [-B] [-M] [-C] [--find-copies-harder] [-O<orderfile>] [-S<string>] [--pickaxe-all] <tree-ish> [<path>...]
 
 DESCRIPTION
 -----------
@@ -44,6 +44,14 @@ OPTIONS
 -C::
 	Detect copies as well as renames.
 
+--find-copies-harder::
+	By default, -C option finds copies only if the original
+	file of the copy was modified in the same changeset for
+	performance reasons.  This flag makes the command
+	inspect unmodified files as candidates for the source of
+	copy.  This is a very expensive operation for large
+	projects, so use it with caution.
+
 -S<string>::
 	Look for differences that contains the change in <string>.
 
@@ -57,7 +65,8 @@ OPTIONS
 	<orderfile>, which has one shell glob pattern per line.
 
 -R::
-	Output diff in reverse.
+	Swap two inputs; that is, show differences from cache or
+	on-disk file to tree contents.
 
 --cached::
 	do not consider the on-disk file at all