Andrew Woodlee
a4214b2b3f
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40 lines
814 B
Go
40 lines
814 B
Go
package cmd
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import (
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"fmt"
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"os"
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"github.com/spf13/cobra"
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)
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const versionStr = "0.4.0"
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var (
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versionCmd = &cobra.Command{
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Use: "version [flags]",
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Short: "Prints the version and exits",
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Long: "Prints the version and exits. No arguments just prints the version number only.",
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Run: version,
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}
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numOnly bool
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vPre bool
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)
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func init() {
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versionCmd.PersistentFlags().BoolVarP(&numOnly, "num", "n", false, "Output the version number only.")
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versionCmd.PersistentFlags().BoolVarP(&vPre, "vpre", "V", false, "Output the version with v prefixed.")
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}
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func version(cmd *cobra.Command, args []string) {
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if numOnly && !vPre {
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fmt.Printf("%s\n", versionStr)
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} else if vPre && !numOnly {
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fmt.Printf("v%s\n", versionStr)
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} else {
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fmt.Printf("Backy version: %s\n", versionStr)
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}
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os.Exit(0)
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}
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