Add fast --HEAD option to upstream-diff.

man/html/git-upstream-diff.html

Index: man/html/git-upstream-diff.html
diff --git a/man/html/git-upstream-diff.html b/man/html/git-upstream-diff.html
index 7d661d4abcf8378a53ce126ab2a27f49188a638b..d1f27cfd8558d0a396cb8f962858dd9b856c78f5 100644
--- a/man/html/git-upstream-diff.html
+++ b/man/html/git-upstream-diff.html
@@ -805,6 +805,16 @@ so it is disabled by default.</p></div>
 </p>
 </dd>
 <dt class="hdlist1">
+--HEAD
+</dt>
+<dd>
+<p>
+  Diff against the committed HEAD of your branch instead of your working copy.
+  This is <em>substantially</em> faster on large repos, but doesn&#8217;t take into account
+  uncommitted changes.

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

unstaged and uncommitted changes.

+</p>
+</dd>
+<dt class="hdlist1">
 &lt;extra args for git-diff&gt;
 </dt>
 <dd>
@@ -880,7 +890,7 @@ from <a href="https://chromium.googlesource.com/chromium/tools/depot_tools.git">
 <div id="footnotes"><hr /></div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2014-04-10 14:23:11 PDT
+Last updated 2014-05-06 10:34:26 PDT
 </div>
 </div>
 </body>