From aa1d238b4efbf5134adc99da22e755e3aed2221d Mon Sep 17 00:00:00 2001
From: Muyao CHEN <muyao.chen@intersec.com>
Date: Tue, 1 Oct 2024 21:58:57 +0200
Subject: [PATCH] feat: watch config reloading

---
 internal/howmuch/howmuch.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/internal/howmuch/howmuch.go b/internal/howmuch/howmuch.go
index 203aea6..f6829cf 100644
--- a/internal/howmuch/howmuch.go
+++ b/internal/howmuch/howmuch.go
@@ -27,6 +27,7 @@ import (
 	"fmt"
 	"net/http"
 
+	"github.com/fsnotify/fsnotify"
 	"github.com/gin-gonic/gin"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -79,6 +80,12 @@ func run() error {
 
 	settings, _ := json.MarshalIndent(viper.AllSettings(), "", "  ")
 
+	// watching reloading conf
+	viper.OnConfigChange(func(e fsnotify.Event) {
+		fmt.Println("Config file changed:", e.Name)
+	})
+	viper.WatchConfig()
+
 	fmt.Println(string(settings))
 	fmt.Println(viper.GetString("db.username"))