Please commit so my users stop whining at me about having clean branches to push to, the big babies.
Summary: Change three scary loud failure cases related to empty branches into three scary loud success cases.
+
+[[!tag patch]]
+
<pre>
diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index cf7fbe9..5b1e334 100644