add dev githook command

cmd/commands/dev/githook.go

@@ -0,0 +1,47 @@
+// Copyright 2020
+//
+// 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 dev
+
+import (
+	"os"
+
+	beeLogger "github.com/beego/bee/logger"
+)
+
+var preCommit = `
+goimports -w -format-only ./ \
+ineffassign . \
+staticcheck -show-ignored -checks "-ST1017,-U1000,-ST1005,-S1034,-S1012,-SA4006,-SA6005,-SA1019,-SA1024" ./ \
+`
+
+// for now, we simply override pre-commit file
+func initGitHook() {
+	// pcf => pre-commit file
+	pcfPath := "./.git/hooks/pre-commit"
+	pcf, err := os.OpenFile(pcfPath, os.O_RDWR|os.O_CREATE, 0777)
+	if err != nil {
+		beeLogger.Log.Errorf("try to create or open file failed: %s, cause: %s", pcfPath, err.Error())
+		return
+	}
+
+	defer pcf.Close()
+	_, err = pcf.Write(([]byte)(preCommit))
+
+	if err != nil {
+		beeLogger.Log.Errorf("could not init githooks: %s", err.Error())
+	} else {
+		beeLogger.Log.Successf("The githooks has been added, the content is:\n %s ", preCommit)
+	}
+}