remove dangerous global variables

routes/git/git.go

@@ -1,24 +1,16 @@
 package git
 
 import (
-	"errors"
 	"net/http"
 
 	"github.com/hacdias/caddy-hugo/config"
 )
 
-var (
-	conf *config.Config
-)
-
 // ServeHTTP is used to serve the content of GIT API.
 func ServeHTTP(w http.ResponseWriter, r *http.Request, c *config.Config) (int, error) {
-	conf = c
-
-	switch r.Method {
-	case "POST":
-		return POST(w, r)
-	default:
-		return http.StatusMethodNotAllowed, errors.New("Invalid method.")
+	if r.Method != http.MethodPost {
+		return http.StatusNotImplemented, nil
 	}
+
+	return POST(w, r, c)
 }