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root.go
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root.go
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/*
Copyright 漏 2021 Yankee Maharjan
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 (
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/yankeexe/air-quality-cli/pkg/utils"
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "air-quality-cli",
Short: "Get Air Quality Index from your city or country.",
Long: `Get Air Quality Index from your city or country.`,
}
// 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() {
cobra.CheckErr(rootCmd.Execute())
}
func init() {
cobra.OnInitialize(initConfig)
}
// initConfig reads in config file and ENV variables if set.
// setting this initially, viper will be able to read config in any commands during runtime.
func initConfig() {
viper.AddConfigPath(utils.ConfigDirPath)
viper.SetConfigName("aqi")
viper.SetConfigType("yaml")
if err := viper.ReadInConfig(); err != nil {
fmt.Fprintln(os.Stderr, viper.ConfigFileUsed())
}
}