diff -r d7b7ec0459c6 -r cce8fbedc82a mercurial/revset.py
--- a/mercurial/revset.py	Thu Mar 13 17:16:58 2014 -0700
+++ b/mercurial/revset.py	Thu Mar 13 17:15:21 2014 -0700
@@ -1492,7 +1492,14 @@
     l = []
     def invert(s):
         return "".join(chr(255 - ord(c)) for c in s)
-    for r in getset(repo, subset, s):
+    revs = getset(repo, subset, s)
+    if keys == ["rev"]:
+        revs.sort()
+        return revs
+    elif keys == ["-rev"]:
+        revs.sort(reverse=True)
+        return revs
+    for r in revs:
         c = repo[r]
         e = []
         for k in keys: