also inject the gitcommit hash and the build time for more detailed v…

…ersion information

Makefile

@@ -1,11 +1,13 @@
 OUT := hamdeck
-VERSION?=$(shell echo `git rev-parse --abbrev-ref HEAD`-`git rev-parse --verify --short HEAD`)
+VERSION?=$(shell echo development@`git rev-parse --abbrev-ref HEAD`-`git rev-parse --verify --short HEAD`)
+GITCOMMIT=$(shell git rev-parse --verify --short HEAD)
+BUILDTIME=$(shell date -u +"%Y-%m-%dT%H:%M:%SZ")
 
 all: test build
 .PHONY: all
 
 build:
-	go build -v -o $(OUT) -ldflags "-X github.com/ftl/hamdeck/cmd.version=$(VERSION)" .
+	go build -v -o $(OUT) -ldflags "-X github.com/ftl/hamdeck/cmd.version=$(VERSION) -X github.com/ftl/hamdeck/cmd.gitCommit=$(GITCOMMIT) -X github.com/ftl/hamdeck/cmd.buildTime=$(BUILDTIME)" .
 .PHONY: build
 
 test:

cmd/root.go

@@ -20,7 +20,11 @@ import (
 	"github.com/ftl/hamdeck/pkg/tci"
 )
 
-var version string = "develop"
+var (
+	version   string = "development"
+	gitCommit string = "unknown"
+	buildTime string = "unknown"
+)
 
 var rootFlags = struct {
 	syslog        bool
@@ -52,7 +56,7 @@ func init() {
 	rootCmd.PersistentFlags().StringVar(&rootFlags.serial, "serial", "", "the serial number of the Stream Deck device that should be used")
 	rootCmd.PersistentFlags().IntVar(&rootFlags.brightness, "brightness", 100, "the initial brightness of the Stream Deck device")
 	rootCmd.PersistentFlags().StringVar(&rootFlags.configFile, "config", "", "the configuration file that should be used (default: .config/hamradio/hamdeck.json)")
-	rootCmd.PersistentFlags().StringVar(&rootFlags.hamlibAddress, "hamlib", "", "the address of the rigctld server (if empty, hamlib buttons are not available")
+	rootCmd.PersistentFlags().StringVar(&rootFlags.hamlibAddress, "hamlib", "", "the address of the rigctld server (if empty, hamlib buttons are not available)")
 	rootCmd.PersistentFlags().StringVar(&rootFlags.tciAddress, "tci", "", "the address of the TCI server (if empty, tci buttons are not available)")
 	rootCmd.PersistentFlags().StringVar(&rootFlags.mqttAddress, "mqtt", "", "the address of the MQTT server (if empty, atu100 buttons are not available)")
 	rootCmd.PersistentFlags().StringVar(&rootFlags.mqttUsername, "mqttusername", "", "the username for MQTT")

cmd/version.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Show version information",
+	Run:   runVersion,
+}
+
+func init() {
+	rootCmd.AddCommand(versionCmd)
+}
+
+func runVersion(cmd *cobra.Command, args []string) {
+	fmt.Printf("Hamdeck Version %s %s %s\n", version, gitCommit, buildTime)
+}