diff -r 6f7048cc2419 -r 4dfd4d3b9b93 mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Sat May 16 15:46:54 2015 -0700
+++ b/mercurial/cmdutil.py	Mon May 18 12:17:08 2015 -0500
@@ -1933,10 +1933,7 @@
     # --follow with FILE behaviour depends on revs...
     it = iter(revs)
     startrev = it.next()
-    try:
-        followdescendants = startrev < it.next()
-    except (StopIteration):
-        followdescendants = False
+    followdescendants = startrev < next(it, startrev)
 
     # branch and only_branch are really aliases and must be handled at
     # the same time