# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2015-04-14 16:54:16
# Node ID 02a5618e2fbf29bca3b9045379a3666e441f2569
# Parent  774ee98001461ee9c61e0575f8778539712f6938

revset: don't import discovery at module level

discovery.py imports a lot of the world. Pierre-Yves told me to move it
to a function-level import to avoid an import cycle in a future patch.

diff --git a/mercurial/revset.py b/mercurial/revset.py
--- a/mercurial/revset.py
+++ b/mercurial/revset.py
@@ -6,7 +6,7 @@
 # GNU General Public License version 2 or any later version.
 
 import re
-import parser, util, error, discovery, hbisect, phases
+import parser, util, error, hbisect, phases
 import node
 import heapq
 import match as matchmod
@@ -1372,7 +1372,9 @@ def outgoing(repo, subset, x):
     Changesets not found in the specified destination repository, or the
     default push location.
     """
-    import hg # avoid start-up nasties
+    # Avoid cycles.
+    import discovery
+    import hg
     # i18n: "outgoing" is a keyword
     l = getargs(x, 0, 1, _("outgoing takes one or no arguments"))
     # i18n: "outgoing" is a keyword
diff --git a/tests/test-module-imports.t b/tests/test-module-imports.t
--- a/tests/test-module-imports.t
+++ b/tests/test-module-imports.t
@@ -32,7 +32,7 @@ these may expose other cycles.
      relative:  error, merge, util
   mercurial/revset.py mixed imports
      stdlib:    parser
-     relative:  discovery, error, hbisect, phases, util
+     relative:  error, hbisect, phases, util
   mercurial/templater.py mixed imports
      stdlib:    parser
      relative:  config, error, templatefilters, templatekw, util