Add Git commit short hash to -v

Makefile

@@ -1,7 +1,7 @@
 
-BUILD=go build -o dumber
-MV=mv dumber ~/go/bin/dumber
-VERSION=`grep -Po '\d*\.\d*\.\d*' main.go`
+COMMIT_SHORT_SHA := $(shell git rev-parse --short HEAD)
+BUILD=go build -o dumber -ldflags "-X 'main.commitShortHash=$(COMMIT_SHORT_SHA)'"
+MV=sudo mv dumber ~/go/bin/dumber
 
 help:
 	@echo "Usage:"

go.mod

@@ -1,3 +1,3 @@
 module github.com/MichelBoucey/dumber
 
-go 1.22.0
+go 1.22.4

main.go

@@ -37,6 +37,10 @@ import (
 	"strings"
 )
 
+var (
+	commitShortHash = ""
+)
+
 func main() {
 
 	version := "2.1.0"
@@ -69,7 +73,7 @@ func main() {
 	flag.Parse()
 
 	if *versionFlag == true {
-		fmt.Println("dumber v" + version + newLine + "Copyright © 2021-2023 Michel Boucey" + newLine + "Released under 3-Clause BSD License")
+		fmt.Println("dumber v" + version + " (" + commitShortHash + ")" + newLine + "Copyright © 2021-2024 Michel Boucey" + newLine + "Released under 3-Clause BSD License")
 		os.Exit(-1)
 	}