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root.go
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root.go
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package cmd
import (
"fmt"
"os"
"github.com/benmatselby/knope/client"
"github.com/benmatselby/knope/version"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
// NewRootCommand will return the application
func NewRootCommand(client client.API) *cobra.Command {
var cmd = &cobra.Command{
Use: "knope",
Short: "CLI tool for retrieving data from AWS CodeBuild",
Version: version.GITCOMMIT,
}
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
cmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.benmatselby/knope.yaml)")
cmd.AddCommand(
NewListBuildsForProjectCommand(client),
NewListProjectsCommand(client),
NewOverviewCommand(client),
)
return cmd
}
// 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() {
initConfig()
client := client.NewClient()
cmd := NewRootCommand(&client)
if err := cmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
// 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)
}
viper.AddConfigPath(home + ".benmatselby/")
viper.SetConfigName("knope")
}
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())
}
}