Add version command to the CLI

Author: rubiojr

cmd/hs/main.go

@@ -24,6 +24,7 @@ func main() {
 		commandAdmin(),
 		commandServe(),
 		commandServeWeb(),
+		commandVersion(),
 	)
 
 	err := app.Run(os.Args)

cmd/hs/version.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"runtime/debug"
+
+	"github.com/urfave/cli/v2"
+)
+
+func commandVersion() *cli.Command {
+	return &cli.Command{
+		Name:  "version",
+		Usage: "HashUp version",
+		Flags: []cli.Flag{},
+		Action: func(c *cli.Context) error {
+			if bi, ok := debug.ReadBuildInfo(); ok {
+				fmt.Println(bi.Main.Version)
+			}
+			return nil
+		},
+	}
+}

main.go

@@ -4,6 +4,7 @@ import (
 	"embed"
 	"fmt"
 	"os"
+	"runtime/debug"
 
 	"github.com/urfave/cli/v2"
 )
@@ -168,6 +169,17 @@ func main() {
 					return setupConfig(c.Bool("force"))
 				},
 			},
+			{
+				Name:  "version",
+				Usage: "HashUp version",
+				Flags: []cli.Flag{},
+				Action: func(c *cli.Context) error {
+					if bi, ok := debug.ReadBuildInfo(); ok {
+						fmt.Println(bi.Main.Version)
+					}
+					return nil
+				},
+			},
 		},
 	}