Bug 1195748 - Make mach clobber never auto-log. r=gps

This never was a problem since auto-logging was broken on Windows, but
having mach clobber auto-log is a problem on Windows since it tries to
remove the log file while itself has it open, which fails.

--HG--
extra : rebase_source : 6da9f3e6148c201eade01d4598ce9c4becd051a0

python/mozbuild/mozbuild/mach_commands.py

@@ -573,41 +573,6 @@ class Build(MachCommandBase):
         print('Hit CTRL+c to stop server.')
         server.run()
 
-    CLOBBER_CHOICES = ['objdir', 'python']
-    @Command('clobber', category='build',
-        description='Clobber the tree (delete the object directory).')
-    @CommandArgument('what', default=['objdir'], nargs='*',
-        help='Target to clobber, must be one of {{{}}} (default objdir).'.format(
-             ', '.join(CLOBBER_CHOICES)))
-    def clobber(self, what):
-        invalid = set(what) - set(self.CLOBBER_CHOICES)
-        if invalid:
-            print('Unknown clobber target(s): {}'.format(', '.join(invalid)))
-            return 1
-
-        ret = 0
-        if 'objdir' in what:
-            try:
-                self.remove_objdir()
-            except OSError as e:
-                if sys.platform.startswith('win'):
-                    if isinstance(e, WindowsError) and e.winerror in (5,32):
-                        self.log(logging.ERROR, 'file_access_error', {'error': e},
-                            "Could not clobber because a file was in use. If the "
-                            "application is running, try closing it. {error}")
-                        return 1
-                raise
-
-        if 'python' in what:
-            if os.path.isdir(mozpath.join(self.topsrcdir, '.hg')):
-                cmd = ['hg', 'purge', '--all', '-I', 'glob:**.py[co]']
-            elif os.path.isdir(mozpath.join(self.topsrcdir, '.git')):
-                cmd = ['git', 'clean', '-f', '-x', '*.py[co]']
-            else:
-                cmd = ['find', '.', '-type', 'f', '-name', '*.py[co]', '-delete']
-            ret = subprocess.call(cmd, cwd=self.topsrcdir)
-        return ret
-
     @Command('build-backend', category='build',
         description='Generate a backend used to build the tree.')
     @CommandArgument('-d', '--diff', action='store_true',
@@ -657,6 +622,44 @@ class Doctor(MachCommandBase):
         doctor = Doctor(self.topsrcdir, self.topobjdir, fix)
         return doctor.check_all()
 
+@CommandProvider
+class Clobber(MachCommandBase):
+    NO_AUTO_LOG = True
+    CLOBBER_CHOICES = ['objdir', 'python']
+    @Command('clobber', category='build',
+        description='Clobber the tree (delete the object directory).')
+    @CommandArgument('what', default=['objdir'], nargs='*',
+        help='Target to clobber, must be one of {{{}}} (default objdir).'.format(
+             ', '.join(CLOBBER_CHOICES)))
+    def clobber(self, what):
+        invalid = set(what) - set(self.CLOBBER_CHOICES)
+        if invalid:
+            print('Unknown clobber target(s): {}'.format(', '.join(invalid)))
+            return 1
+
+        ret = 0
+        if 'objdir' in what:
+            try:
+                self.remove_objdir()
+            except OSError as e:
+                if sys.platform.startswith('win'):
+                    if isinstance(e, WindowsError) and e.winerror in (5,32):
+                        self.log(logging.ERROR, 'file_access_error', {'error': e},
+                            "Could not clobber because a file was in use. If the "
+                            "application is running, try closing it. {error}")
+                        return 1
+                raise
+
+        if 'python' in what:
+            if os.path.isdir(mozpath.join(self.topsrcdir, '.hg')):
+                cmd = ['hg', 'purge', '--all', '-I', 'glob:**.py[co]']
+            elif os.path.isdir(mozpath.join(self.topsrcdir, '.git')):
+                cmd = ['git', 'clean', '-f', '-x', '*.py[co]']
+            else:
+                cmd = ['find', '.', '-type', 'f', '-name', '*.py[co]', '-delete']
+            ret = subprocess.call(cmd, cwd=self.topsrcdir)
+        return ret
+
 @CommandProvider
 class Logs(MachCommandBase):
     """Provide commands to read mach logs."""