Use 'del' and 'rmdir' on Windows

gitman/shell.py

@@ -80,12 +80,13 @@ def ln(source, target):
 
 
 def rm(path):
-    show('rm', '-rf', path)
-    if os.path.exists(path):
-        if os.path.isdir(path):
-            shutil.rmtree(path)
-        else:
-            os.remove(path)
+    if os.name == 'nt':
+        if os.path.isfile(path):
+            call('del', '/Q', '/F', path, _shell=True)
+        elif os.path.isdir(path):
+            call('rmdir', '/Q', '/S', path, _shell=True)
+    else:
+        call('rm', '-rf', path)
 
 
 def show(name, *args, stdout=True):

gitman/tests/test_shell.py

@@ -66,19 +66,20 @@ def test_ln_missing_parent(self, mock_call):
         shell.ln('mock/target', 'mock/source')
         assert_calls(mock_call, ["ln -s mock/target mock/source"])
 
-    @patch('os.remove')
-    @patch('os.path.exists', Mock(return_value=True))
-    def test_rm_file(self, mock_remove, mock_call):
+    @patch('os.path.isfile', Mock(return_value=True))
+    def test_rm_file(self, mock_call):
         """Verify the commands to delete files."""
         shell.rm('mock/path')
-        mock_remove.assert_called_once_with('mock/path')
-        assert_calls(mock_call, [])
+        if os.name == 'nt':
+            assert_calls(mock_call, ["del /Q /F mock/path"])
+        else:
+            assert_calls(mock_call, ["rm -rf mock/path"])
 
-    @patch('shutil.rmtree')
-    @patch('os.path.exists', Mock(return_value=True))
     @patch('os.path.isdir', Mock(return_value=True))
-    def test_rm_directory(self, mock_rmtree, mock_call):
+    def test_rm_directory(self, mock_call):
         """Verify the commands to delete directories."""
         shell.rm('mock/dirpath')
-        mock_rmtree.assert_called_once_with('mock/dirpath')
-        assert_calls(mock_call, [])
+        if os.name == 'nt':
+            assert_calls(mock_call, ["rmdir /Q /S mock/dirpath"])
+        else:
+            assert_calls(mock_call, ["rm -rf mock/dirpath"])