cmd/root.go

/*
Copyright © 2020 Hoshea Jiang <hoshea@apache.org>

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 cmd

import (
	"github.com/sirupsen/logrus"
	"github.com/spf13/cobra"
	headercommand "license-checker/commands/header"
	"license-checker/internal/logger"
)

var (
	verbosity string
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:           "license-checker command [flags]",
	Long:          "license-checker walks the specified path recursively and checks if the specified files have the license header in the config file.",
	SilenceUsage:  true,
	SilenceErrors: true,
	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
		if level, err := logrus.ParseLevel(verbosity); err != nil {
			return err
		} else {
			logger.Log.SetLevel(level)
		}
		return nil
	},
}

// Execute sets flags to the root command appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() error {
	rootCmd.PersistentFlags().StringVarP(&verbosity, "verbosity", "v", logrus.InfoLevel.String(), "Log level (debug, info, warn, error, fatal, panic")

	rootCmd.AddCommand(headercommand.Header)

	return rootCmd.Execute()
}