--- a/README	Thu Mar 16 21:16:57 2017 -0400
+++ b/README	Wed Mar 22 03:00:11 2017 +0100
@@ -125,6 +125,9 @@
   Using the extension will enable evolution, use 'experimental.evolution=!'
   to disable obsmarkers echange.  The old '__temporary__.advertiseobsolete'
   option is no longer supported.
+- the 'debugrecordpruneparents' have been moved into the 'evolve.legacy'
+  separate extension. enable that extentions if you need to convert/update
+  markers in an old repository.
 
 5.6.1 -- 2017-02-28
 -------------------

--- a/hgext3rd/evolve/__init__.py	Thu Mar 16 21:16:57 2017 -0400
+++ b/hgext3rd/evolve/__init__.py	Wed Mar 22 03:00:11 2017 +0100
@@ -814,43 +814,6 @@
     _deprecatealias('gup', 'next')
     _deprecatealias('gdown', 'previous')
 
-@eh.command('debugrecordpruneparents', [], '')
-def cmddebugrecordpruneparents(ui, repo):
-    """add parent data to prune markers when possible
-
-    This command searches the repo for prune markers without parent information.
-    If the pruned node is locally known, it creates a new marker with parent
-    data.
-    """
-    pgop = 'reading markers'
-
-    # lock from the beginning to prevent race
-    wlock = lock = tr = None
-    try:
-        wlock = repo.wlock()
-        lock = repo.lock()
-        tr = repo.transaction('recordpruneparents')
-        unfi = repo.unfiltered()
-        nm = unfi.changelog.nodemap
-        store = repo.obsstore
-        pgtotal = len(store._all)
-        for idx, mark in enumerate(list(store._all)):
-            if not mark[1]:
-                rev = nm.get(mark[0])
-                if rev is not None:
-                    ctx = unfi[rev]
-                    parents = tuple(p.node() for p in ctx.parents())
-                    before = len(store._all)
-                    store.create(tr, mark[0], mark[1], mark[2], mark[3],
-                                 parents=parents)
-                    if len(store._all) - before:
-                        ui.write(_('created new markers for %i\n') % rev)
-            ui.progress(pgop, idx, total=pgtotal)
-        tr.close()
-        ui.progress(pgop, None)
-    finally:
-        lockmod.release(tr, lock, wlock)
-
 @eh.command('debugobsstorestat', [], '')
 def cmddebugobsstorestat(ui, repo):
     """print statistics about obsolescence markers in the repo"""

--- a/hgext3rd/evolve/legacy.py	Thu Mar 16 21:16:57 2017 -0400
+++ b/hgext3rd/evolve/legacy.py	Wed Mar 22 03:00:11 2017 +0100
@@ -26,6 +26,7 @@
 
 from mercurial import cmdutil
 from mercurial.i18n import _
+from mercurial import lock as lockmod
 from mercurial.node import bin, nullid
 from mercurial import util
 
@@ -163,3 +164,40 @@
     ui.status('%i obsolete marker converted\n' % cnt)
     if err:
         ui.write_err('%i conversion failed. check you graph!\n' % err)
+
+@command('debugrecordpruneparents', [], '')
+def cmddebugrecordpruneparents(ui, repo):
+    """add parent data to prune markers when possible
+
+    This command searches the repo for prune markers without parent information.
+    If the pruned node is locally known, it creates a new marker with parent
+    data.
+    """
+    pgop = 'reading markers'
+
+    # lock from the beginning to prevent race
+    wlock = lock = tr = None
+    try:
+        wlock = repo.wlock()
+        lock = repo.lock()
+        tr = repo.transaction('recordpruneparents')
+        unfi = repo.unfiltered()
+        nm = unfi.changelog.nodemap
+        store = repo.obsstore
+        pgtotal = len(store._all)
+        for idx, mark in enumerate(list(store._all)):
+            if not mark[1]:
+                rev = nm.get(mark[0])
+                if rev is not None:
+                    ctx = unfi[rev]
+                    parents = tuple(p.node() for p in ctx.parents())
+                    before = len(store._all)
+                    store.create(tr, mark[0], mark[1], mark[2], mark[3],
+                                 parents=parents)
+                    if len(store._all) - before:
+                        ui.write(_('created new markers for %i\n') % rev)
+            ui.progress(pgop, idx, total=pgtotal)
+        tr.close()
+        ui.progress(pgop, None)
+    finally:
+        lockmod.release(tr, lock, wlock)