--- a/hgext3rd/evolve/__init__.py	Wed Nov 15 00:30:15 2017 +0100
+++ b/hgext3rd/evolve/__init__.py	Thu Nov 16 11:22:38 2017 -0800
@@ -2031,7 +2031,8 @@
             finally:
                 lockmod.release(tr, lock)
 
-    displayer.show(target)
+    if not repo.ui.quiet:
+        displayer.show(target)
 
 def _findprevtarget(repo, displayer, movebookmark=False, topic=True):
     target = bookmark = None
@@ -2174,7 +2175,8 @@
                         tr.close()
                     finally:
                         lockmod.release(tr, lock)
-            displayer.show(c)
+            if not ui.quiet:
+                displayer.show(c)
             result = 0
         elif children:
             ui.warn(_("ambigious next changeset:\n"))

--- a/tests/test-prev-next.t	Wed Nov 15 00:30:15 2017 +0100
+++ b/tests/test-prev-next.t	Thu Nov 16 11:22:38 2017 -0800
@@ -3,7 +3,7 @@
   > EOF
   $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH
 
-hg prev -B should move active bookmark
+hg prev & next move to parent/child
   $ hg init test-repo
   $ cd test-repo
   $ touch a
@@ -12,6 +12,18 @@
   $ touch b
   $ hg add b
   $ hg commit -m 'added b'
+  $ hg prev
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  [0] added a
+  $ hg next
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  [1] added b
+
+hg prev & next respect --quiet
+  $ hg prev -q
+  $ hg next -q
+
+hg prev -B should move active bookmark
   $ hg bookmark mark
   $ hg bookmarks
    * mark                      1:6e742c9127b3