Add application version support

Makefile

@@ -4,8 +4,6 @@ TEST_REPORT = tests.xml
 GOARCH = amd64
 
 VERSION?=?
-COMMIT=\$(shell git rev-parse HEAD)
-BRANCH=\$(shell git rev-parse --abbrev-ref HEAD)
 
 # Symlink into GOPATH
 GITHUB_USERNAME=praveenprem
@@ -15,7 +13,7 @@ CURRENT_DIR=\$(shell pwd)
 BUILD_DIR_LINK=\$(shell readlink ${BUILD_DIR})
 
 # Setup the -ldflags option for go build here, interpolate the variable values
-LDFLAGS = -ldflags "-X main.VERSION=${VERSION} -X main.COMMIT=${COMMIT} -X main.BRANCH=${BRANCH}"
+LDFLAGS = -ldflags "-X main.VERSION=${VERSION}"
 
 # Build the project
 all: link clean test vet linux darwin windows

argparse.go

@@ -35,6 +35,7 @@ func (app *App) Parser() {
 		" -history and -d are also available")
 	flag.BoolVar(&app.History, "history", false, "HELP: Print the timesheet of the day")
 	flag.BoolVar(&app.PrintWeek, "week", false, "HELP: Print timesheet of the current week")
+	flag.BoolVar(&app.Version, "v", false, "Print application version")
 	flag.Parse()
 	app.validate()
 }
@@ -60,6 +61,11 @@ func (app *App) validate() {
 		app.usage()
 	}
 
+	if app.Version {
+		fmt.Println(VERSION)
+		os.Exit(0)
+	}
+
 	if app.TimeRemaining || app.PrintWeek {
 		return
 	}

main.go

@@ -36,6 +36,7 @@ type App struct {
 	TimeRemaining bool
 	History       bool
 	PrintWeek     bool
+	Version       bool
 	Configuration struct {
 		Auth   string
 		Domain string
@@ -49,6 +50,8 @@ type Application interface {
 	GetWeekTimesheet(domain string, auth string)
 }
 
+var VERSION string
+
 func main() {
 	var app App