ui: always report untrusted hgrc files when debug enabled

It was suggested in IRC that people disabling the reporting of unstructed hgrc
files can masquerade as problems.  This makes sure untrusted hgrc files are
always reported if --debug is used.

mercurial/ui.py

@@ -122,8 +122,8 b' class ui(object):'
             self.quiet = not self.debugflag and self.configbool('ui', 'quiet')
             if self.verbose and self.quiet:
                 self.quiet = self.verbose = False
-            self._reportuntrusted = self.configbool("ui", "report_untrusted",
-                                        True)
+            self._reportuntrusted = self.debugflag or self.configbool("ui",
+                "report_untrusted", True)
             self.tracebackflag = self.configbool('ui', 'traceback', False)
 
         if section in (None, 'trusted'):

tests/test-trusted.py

@@ -11,7 +11,8 b' basehgrc = f.read()'
 f.close()
 
 def testui(user='foo', group='bar', tusers=(), tgroups=(),
-           cuser='foo', cgroup='bar', debug=False, silent=False):
+           cuser='foo', cgroup='bar', debug=False, silent=False,
+           report=True):
     # user, group => owners of the file
     # tusers, tgroups => trusted users/groups
     # cuser, cgroup => user/group of the current process
@@ -61,6 +62,7 b" def testui(user='foo', group='bar', tuse"
 
     u = ui.ui()
     u.setconfig('ui', 'debug', str(bool(debug)))
+    u.setconfig('ui', 'report_untrusted', str(bool(report)))
     u.readconfig('.hg/hgrc')
     if silent:
         return u
@@ -131,6 +133,12 b" testui(user='abc', group='def', cuser=No"
 print "# prints debug warnings"
 u = testui(user='abc', group='def', cuser='foo', debug=True)
 
+print "# report_untrusted enabled without debug hides warnings"
+u = testui(user='abc', group='def', cuser='foo', report=False)
+
+print "# report_untrusted enabled with debug shows warnings"
+u = testui(user='abc', group='def', cuser='foo', debug=True, report=False)
+
 print "# ui.readconfig sections"
 filename = 'foobar'
 f = open(filename, 'w')

tests/test-trusted.py.out

@@ -136,6 +136,25 b' untrusted'
 .ignoring untrusted configuration option paths.local = /another/path
 . local = /another/path
 
+# report_untrusted enabled without debug hides warnings
+# different user, different group
+trusted
+    global = /some/path
+untrusted
+. . global = /some/path
+. . local = /another/path
+
+# report_untrusted enabled with debug shows warnings
+# different user, different group
+Not trusting file .hg/hgrc from untrusted user abc, group def
+trusted
+ignoring untrusted configuration option paths.local = /another/path
+    global = /some/path
+untrusted
+. . global = /some/path
+.ignoring untrusted configuration option paths.local = /another/path
+. local = /another/path
+
 # ui.readconfig sections
 quux