main.go

/*
   hls-get

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package main

//go:generate sh ./gen_version.sh version.go

import (
	"fmt"
	"os"

	"github.com/Sirupsen/logrus"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var cfgFile string

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "hls-get",
	Short: "A magic program running as a service.",
	Long:  `For more information, please contact author.`,
	// Uncomment the following line if your bare application
	// has an action associated with it:
	//	Run: func(cmd *cobra.Command, args []string) { },
	Run: downloadFunc,
}

// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}

func init() {
	cobra.OnInitialize(initConfig)
	// Here you will define your flags and configuration settings.
	// Cobra supports persistent flags, which, if defined here,
	// will be global for your application.
	rootCmd.PersistentFlags().StringVar(&cfgFile, "config",
		"/etc/hls-get.yaml", "config file (default is /etc/hls-get.yaml)")

	// Cobra also supports local flags, which will only run
	// when this action is called directly.
	//rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
	rootCmd.AddCommand(downloadCmd, serveCmd, checkCmd, schemaCmd, versionCmd)
	rootCmd.Flags().AddFlagSet(&flagSet)
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		// Find home directory.
		// home, err := homedir.Dir()
		// if err != nil {
		// 	fmt.Println(err)
		// 	os.Exit(1)
		// }

		// Search config in home directory with name ".hls-get" (without extension).
		viper.AddConfigPath(".")
		viper.SetConfigName(".hls-get")
	}

	viper.AutomaticEnv() // read in environment variables that match

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		fmt.Println("Using config file:", viper.ConfigFileUsed())
	}
}

func main() {
	logrus.SetOutput(os.Stdout)
	logrus.SetLevel(logrus.DebugLevel)
	logrus.SetFormatter(&logrus.TextFormatter{})
	Execute()
}