cmd/root.go

package cmd

import (
	"context"
	"errors"
	"fmt"
	"github.com/spf13/cobra"
	"os"
	"os/exec"
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "",
	Short: "A brief description of your application",
	Long: `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:

Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
	FParseErrWhitelist: cobra.FParseErrWhitelist{
		UnknownFlags: true,
	},
	SilenceErrors: false,
	SilenceUsage:  true,
}

// 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(ctx context.Context) {
	err := rootCmd.ExecuteContext(ctx)
	if err != nil {
		var pe *exec.ExitError
		if errors.As(err, &pe) {
			os.Exit(pe.ExitCode())
		}
		os.Exit(1)
	}
}

func init() {
	pwd, err := os.Getwd()
	if err != nil {
		panic(fmt.Sprintf("error on getting working dir:%s", err.Error()))
	}
	rootCmd.PersistentFlags().StringVar(&cf.tfDir, "tf-dir", pwd, "Terraform directory")
	rootCmd.PersistentFlags().StringSliceVar(&cf.mptfDirs, "mptf-dir", nil, "MPTF directory")

	rootCmd.PersistentFlags().StringSlice("mptf-var", cf.mptfVars, "Set a value for one of the input variables in the root module of the configuration. Use this option more than once to set more than one variable.")
	rootCmd.PersistentFlags().StringSlice("mptf-var-file", cf.mptfVarFiles, "Load variable values from the given file, in addition to the default files mptf.mptfvars and *.auto.mptfvars. Use this option more than once to include more than one variables file.")
}