feat: added version command

cmd/root.go

@@ -31,6 +31,7 @@ func init() {
 	RootCmd.AddCommand(RunCmd)
 	RootCmd.AddCommand(StatusCmd)
 	RootCmd.AddCommand(MergeCmd)
+	RootCmd.AddCommand(VersionCmd)
 
 	rand.Seed(time.Now().UTC().UnixNano())
 }

cmd/version.go

@@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// VersionCmd prints the version of multi-gitter
+var VersionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Get the version of multi-gitter.",
+	Long:  "Get the version of multi-gitter.",
+	Args:  cobra.NoArgs,
+	Run:   version,
+}
+
+// Version is the current version of multigitter (set by main.go)
+var Version string
+
+func version(cmd *cobra.Command, args []string) {
+	fmt.Println(Version)
+}

main.go

@@ -7,7 +7,10 @@ import (
 	"github.com/lindell/multi-gitter/cmd"
 )
 
+var version = "development"
+
 func main() {
+	cmd.Version = version
 	if err := cmd.RootCmd.Execute(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)