Added a flag to specify a configuration file and wrote a proper readme

1 files changed, 12 insertions, 1 deletions

diff --git a/cmd/trains-webui/main.go b/cmd/trains-webui/main.go
index 76f34ea..0ea3b57 100644
--- a/cmd/trains-webui/main.go
+++ b/cmd/trains-webui/main.go
@@ -1,14 +1,25 @@
 package main
 
 import (
+	"flag"
 	"log"
+	"os"
 
 	"git.adyxax.org/adyxax/trains/internal/webui"
 	"git.adyxax.org/adyxax/trains/pkg/config"
 )
 
 func main() {
-	c, err := config.LoadFile("/home/julien/.config/adyxax-trains/config.yaml")
+	path := flag.String("c", os.Getenv("HOME")+"/.config/trains/config.yaml", "configuration file path")
+	help := flag.Bool("h", false, "display this help message")
+	flag.Parse()
+
+	if *help {
+		flag.Usage()
+		os.Exit(0)
+	}
+
+	c, err := config.LoadFile(*path)
 	if err != nil {
 		log.Fatal(err)
 	}