59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
package version
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/spf13/cobra"
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"sigs.k8s.io/yaml"
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)
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const (
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flagLong = "long"
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flagOutput = "output"
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)
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// NewVersionCommand returns a CLI command to interactively print the application binary version information.
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func NewVersionCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "version",
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Short: "Print the application binary version information",
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, _ []string) error {
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verInfo := NewInfo()
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if long, _ := cmd.Flags().GetBool(flagLong); !long {
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fmt.Fprintln(cmd.OutOrStdout(), verInfo.Version)
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return nil
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}
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var (
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bz []byte
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err error
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)
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output, _ := cmd.Flags().GetString(flagOutput)
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switch strings.ToLower(output) {
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case "json":
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bz, err = json.Marshal(verInfo)
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default:
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bz, err = yaml.Marshal(&verInfo)
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}
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if err != nil {
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return err
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}
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fmt.Fprintln(cmd.OutOrStdout(), string(bz))
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return nil
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},
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}
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cmd.Flags().Bool(flagLong, false, "Print long version information")
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cmd.Flags().StringP(flagOutput, "o", "text", "Output format (text|json)")
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return cmd
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}
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