podman/cmd/podmanV2/root.go

package main

import (
	"fmt"
	"os"
	"path"

	"github.com/containers/libpod/cmd/podmanV2/registry"
	"github.com/containers/libpod/libpod/define"
	"github.com/containers/libpod/version"
	"github.com/spf13/cobra"
)

var rootCmd = &cobra.Command{
	Use:              path.Base(os.Args[0]),
	Long:             "Manage pods, containers and images",
	SilenceUsage:     true,
	SilenceErrors:    true,
	TraverseChildren: true,
	RunE:             registry.SubCommandExists,
	Version:          version.Version,
}

func init() {
	// Override default --help information of `--version` global flag}
	var dummyVersion bool
	// TODO had to disable shorthand -v for version due to -v rm with volume
	rootCmd.PersistentFlags().BoolVar(&dummyVersion, "version", false, "Version of Podman")
	rootCmd.PersistentFlags().StringVarP(&registry.EngineOpts.Uri, "remote", "r", "", "URL to access Podman service")
	rootCmd.PersistentFlags().StringSliceVar(&registry.EngineOpts.Identities, "identity", []string{}, "path to SSH identity file")
}

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Fprintln(os.Stderr, "Error:", err.Error())
	} else if registry.GetExitCode() == define.ExecErrorCodeGeneric {
		// The exitCode modified from define.ExecErrorCodeGeneric,
		// indicates an application
		// running inside of a container failed, as opposed to the
		// podman command failed.  Must exit with that exit code
		// otherwise command exited correctly.
		registry.SetExitCode(0)
	}
	os.Exit(registry.GetExitCode())
}