diff --git a/hgext3rd/copytrace.py b/hgext3rd/copytrace.py
--- a/hgext3rd/copytrace.py
+++ b/hgext3rd/copytrace.py
@@ -439,7 +439,7 @@
 
 def _getreponame(repo, ui):
     reporoot = repo.origroot if util.safehasattr(repo, 'origroot') else ''
-    reponame = ui.config('paths', 'default', reporoot)
+    reponame = ui.config('paths', 'default') or reporoot
     if reponame:
         reponame = os.path.basename(reponame)
     return reponame
diff --git a/hgext3rd/edrecord.py b/hgext3rd/edrecord.py
--- a/hgext3rd/edrecord.py
+++ b/hgext3rd/edrecord.py
@@ -28,7 +28,7 @@
                     "editor"):
                     return "editor"
                 elif self.config("ui", "interface.%s" % feature, None) is None:
-                    if self.config("ui", "interface", None) == "editor":
+                    if self.config("ui", "interface") == "editor":
                         return "editor"
             return super(edrecordui, self).interface(feature)
 
diff --git a/hgext3rd/logginghelper.py b/hgext3rd/logginghelper.py
--- a/hgext3rd/logginghelper.py
+++ b/hgext3rd/logginghelper.py
@@ -24,7 +24,7 @@
 
 def _localrepoinit(orig, self, baseui, path=None, create=False):
     orig(self, baseui, path, create)
-    reponame = self.ui.config('paths', 'default', path)
+    reponame = self.ui.config('paths', 'default')
     if reponame:
         reponame = os.path.basename(reponame)
     configoptstolog = self.ui.configlist('logging', 'configoptions')
diff --git a/hgext3rd/pushrebase.py b/hgext3rd/pushrebase.py
--- a/hgext3rd/pushrebase.py
+++ b/hgext3rd/pushrebase.py
@@ -804,7 +804,7 @@
             bundle.close()
 
     # Move public phase forward
-    publishing = op.repo.ui.configbool('phases', 'publish', True)
+    publishing = op.repo.ui.configbool('phases', 'publish', untrusted=True)
     if publishing:
         phases.advanceboundary(op.repo, tr, phases.public, [added[-1]])
 
diff --git a/hgext3rd/sparse.py b/hgext3rd/sparse.py
--- a/hgext3rd/sparse.py
+++ b/hgext3rd/sparse.py
@@ -393,8 +393,7 @@
                         msg = (
                             "warning: sparse profile '%s' not found "
                             "in rev %s - ignoring it\n" % (profile, ctx))
-                        if self.ui.configbool(
-                                'sparse', 'missingwarning', True):
+                        if self.ui.configbool('sparse', 'missingwarning'):
                             self.ui.warn(msg)
                         else:
                             self.ui.debug(msg)
diff --git a/tests/test-check-config-hg.t b/tests/test-check-config-hg.t
--- a/tests/test-check-config-hg.t
+++ b/tests/test-check-config-hg.t
@@ -18,9 +18,6 @@
       elif ui.configbool('p4fastimport', 'useworker', False):
   
   conflict on p4fastimport.useworker: ('bool', '') != ('str', '')
-                         repo.ui.config("paths", "default")))
-  
-  conflict on paths.default: ('str', '') != ('str', '<variable>')
       if ui.configbool("experimental", "histeditng"):
   
   conflict on experimental.histeditng: ('bool', '') != ('str', '')