feat: add --raw image creation support

refactor: use Option func pattern
fix: build respect the --force flag
fix: compute correct in-docker input and outpout mount paths

Signed-off-by: Adphi <philippe.adrien.nousse@gmail.com>

convert_options.go

@@ -0,0 +1,62 @@
+// Copyright 2022 Linka Cloud  All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package d2vm
+
+type ConvertOption func(o *convertOptions)
+
+type convertOptions struct {
+	size           int64
+	password       string
+	output         string
+	cmdLineExtra   string
+	networkManager NetworkManager
+	raw            bool
+}
+
+func WithSize(size int64) ConvertOption {
+	return func(o *convertOptions) {
+		o.size = size
+	}
+}
+
+func WithPassword(password string) ConvertOption {
+	return func(o *convertOptions) {
+		o.password = password
+	}
+}
+
+func WithOutput(output string) ConvertOption {
+	return func(o *convertOptions) {
+		o.output = output
+	}
+}
+
+func WithCmdLineExtra(cmdLineExtra string) ConvertOption {
+	return func(o *convertOptions) {
+		o.cmdLineExtra = cmdLineExtra
+	}
+}
+
+func WithNetworkManager(networkManager NetworkManager) ConvertOption {
+	return func(o *convertOptions) {
+		o.networkManager = networkManager
+	}
+}
+
+func WithRaw(raw bool) ConvertOption {
+	return func(o *convertOptions) {
+		o.raw = raw
+	}
+}