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package cmd
import (
"fmt"
)
func SetupVersionCmd(program *Program) *VersionCmd {
cmd := VersionCmd{
program: program,
}
if _, err := program.Parser.AddCommand(
"version", "Show the program version", "", &cmd,
); err != nil {
program.Logger.Fatal().Msg(err.Error())
}
return &cmd
}
type VersionCmd struct {
program *Program
Verbose bool `short:"v" long:"verbose" description:"display the source hash and build number if available"`
}
func (cmd *VersionCmd) Execute([]string) error {
versionLine := cmd.program.Version.Version
if cmd.Verbose {
if cmd.program.Version.Hash != "" {
versionLine += "\nHash:" + cmd.program.Version.Hash
}
if cmd.program.Version.Build != "" {
versionLine += "\nBuild:" + cmd.program.Version.Build
}
}
if _, err := fmt.Println(versionLine); err != nil {
return err
}
return nil
}