Add fast --HEAD option to upstream-diff.

man/man1/git-upstream-diff.1

Index: man/man1/git-upstream-diff.1
diff --git a/man/man1/git-upstream-diff.1 b/man/man1/git-upstream-diff.1
index fbe57af2555667b1658dfce7ec0babe2e679167e..e62602941dcdf6ba5594d9603fca35f844b53953 100644
--- a/man/man1/git-upstream-diff.1
+++ b/man/man1/git-upstream-diff.1
@@ -2,12 +2,12 @@
 .\"     Title: git-upstream-diff
 .\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
 .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
-.\"      Date: 04/10/2014
+.\"      Date: 05/06/2014
 .\"    Manual: Chromium depot_tools Manual
-.\"    Source: depot_tools 68b1017
+.\"    Source: depot_tools 048da08
 .\"  Language: English
 .\"
-.TH "GIT\-UPSTREAM\-DIFF" "1" "04/10/2014" "depot_tools 68b1017" "Chromium depot_tools Manual"
+.TH "GIT\-UPSTREAM\-DIFF" "1" "05/06/2014" "depot_tools 048da08" "Chromium depot_tools Manual"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
@@ -67,6 +67,13 @@ The \-\-wordwise option also allows git\-diff to do word\-by\-word comparison in
 Print a colorized word\-wise diff instead of a line\-wise diff\&.
 .RE
 .PP
+\-\-HEAD
+.RS 4
+Diff against the committed HEAD of your branch instead of your working copy\&. This is
+\fIsubstantially\fR
+faster on large repos, but doesn\(cqt take into account uncommitted changes\&.

[szager1, 2014/05/07 06:48:32]

unstaged and uncommitted

+.RE
+.PP
 <extra args for git\-diff>
 .RS 4
 Extra arguments are included in the invocation of