Add a build script, go mod file and update the readmev1.0

1 files changed, 12 insertions, 1 deletions

diff --git a/main.go b/main.go
index 8524518..b6bdd50 100644
--- a/main.go
+++ b/main.go
@@ -11,6 +11,10 @@ import (
 	"text/template"
 )
 
+var (
+	versionString string
+)
+
 type Hook struct {
 	Url    string
 	Schema map[string]string
@@ -38,7 +42,7 @@ func readConf(fn string, cfg map[string]*Hook) error {
 
 func help() {
 	n := os.Args[0]
-	fmt.Fprintf(os.Stderr, `Usage: %s [-c CONFIG] -n HOOK_NAME [-v VarName VarVal]...
+	fmt.Fprintf(os.Stderr, `Usage: %s [-V -version] [-c CONFIG] -n HOOK_NAME [-v VarName VarVal]...
 
 For example:
 
@@ -110,6 +114,11 @@ func (h *Hook) Post() (*http.Response, error) {
 	return resp, err
 }
 
+func version() {
+	fmt.Println(versionString)
+	os.Exit(0)
+}
+
 func main() {
 	cfgFN := ""
 	hookName := ""
@@ -126,6 +135,8 @@ func main() {
 		case "-v", "-var", "--var":
 			vars[os.Args[i+1]] = os.Args[i+2]
 			i += 2
+		case "-V", "-version", "--version":
+			version()
 		default:
 			help()
 		}