diff -r 9fa429723f26 -r 6122ad50e38f hgext/rebase.py
--- a/hgext/rebase.py	Fri Aug 15 23:05:53 2014 +0900
+++ b/hgext/rebase.py	Fri Aug 15 23:05:53 2014 +0900
@@ -376,6 +376,8 @@
         if collapsef and not keepopen:
             p1, p2 = defineparents(repo, min(state), target,
                                                         state, targetancestors)
+            editopt = opts.get('edit')
+            editform = 'rebase.collapse'
             if collapsemsg:
                 commitmsg = collapsemsg
             else:
@@ -383,8 +385,8 @@
                 for rebased in state:
                     if rebased not in skipped and state[rebased] > nullmerge:
                         commitmsg += '\n* %s' % repo[rebased].description()
-                editform = 'rebase.collapse'
-                editor = cmdutil.getcommiteditor(edit=True, editform=editform)
+                editopt = True
+            editor = cmdutil.getcommiteditor(edit=editopt, editform=editform)
             newrev = concludenode(repo, rev, p1, external, commitmsg=commitmsg,
                                   extrafn=extrafn, editor=editor)
             for oldrev in state.iterkeys():