From e793ca3afb91996e449351951e41f001187a5673 Mon Sep 17 00:00:00 2001
From: Adam JOLY <adjoly@student.42angouleme.fr>
Date: Thu, 9 Jan 2025 10:07:36 +0100
Subject: [PATCH] =?UTF-8?q?=E3=80=8C=F0=9F=94=A8=E3=80=8D=20fix(Mariadb):?=
 =?UTF-8?q?=20entrypoint=20checking=20old=20db=20correctly?=
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---
 cmd/mariadb/entrypoint/entrypoint.go | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/cmd/mariadb/entrypoint/entrypoint.go b/cmd/mariadb/entrypoint/entrypoint.go
index 066d8d5..3784c1c 100644
--- a/cmd/mariadb/entrypoint/entrypoint.go
+++ b/cmd/mariadb/entrypoint/entrypoint.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"errors"
 	"fmt"
 	"log"
 	"os"
@@ -67,14 +66,29 @@ func createDBDir(dataDir string) {
 	if err != nil {
 		log.Fatal(err)
 	}
-	err = os.Mkdir(dataDir+"/.already", 750)
+}
+
+func anyFileExists(folderPath string) (bool, error) {
+	// Open the folder
+	dir, err := os.Open(folderPath)
 	if err != nil {
-		log.Fatal(err)
+		return false, err
 	}
+	defer dir.Close()
+
+	// Read directory contents
+	files, err := dir.Readdir(1) // Read at most 1 file
+	if err != nil {
+		return false, err
+	}
+
+	// If we read at least one file, it exists
+	return len(files) > 0, nil
 }
 
 func checkOlderDB(dataDir string) bool {
-	if _, err := os.Stat(dataDir+"/.already"); errors.Is(err, os.ErrNotExist) {
+	exist, err := anyFileExists(dataDir)
+	if err != nil || exist == false {
 		return false
 	}
 	return true