48 lines
1.1 KiB
Go
48 lines
1.1 KiB
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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// version holds app version string
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var version = "v0.0.12"
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// used to determine whether to print short or long version string
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var shortVersion = false
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var cmdVersion = &cobra.Command{
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Use: "version",
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Short: "Print version information and exit",
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Long: `All software has versions. This is ` + appName + `'s`,
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RunE: func(cmd *cobra.Command, args []string) error {
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fmt.Println(getVersion())
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return nil
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},
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PersistentPostRun: func(cmd *cobra.Command, args []string) {
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// exit with code 0 after showing the version
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os.Exit(0)
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},
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}
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// get (short if -s/--short flag is supplied) version
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func getVersion() string {
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if !shortVersion {
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return appName + " - " + version
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}
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return GetShortVersion()
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}
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// GetShortVersion returns a bare version string
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func GetShortVersion() string {
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return version
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}
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// the init func registers the commands and flags with cobra
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func init() {
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cmdVersion.Flags().BoolVarP(&shortVersion, "short", "s", false, "print just the version string and nothing else")
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Root.AddCommand(cmdVersion)
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}
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