fix token sync

client.go

@@ -1,7 +1,7 @@
 package matrixbotlib
 
 import (
-	"io"
+	"log"
 	"os"
 	"strings"
 
@@ -49,19 +49,25 @@ func NewMatrixClient(config *MatrixClientConfig, store mautrix.Storer) (*mautrix
 }
 
 func SyncToken(config *MatrixClientConfig) error {
+	log.Println("syncing token")
+
+	t := make(map[string]interface{})
+	data, err := os.ReadFile(config.filename)
+	if err != nil {
+		return err
+	}
+	err = yaml.Unmarshal([]byte(data), &t)
+	if err != nil {
+		return err
+	}
+	log.Println(t)
+	t["token"] = config.Token
 	file, err := os.OpenFile(config.filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o600)
 	if err != nil {
 		return err
 	}
 	defer file.Close()
 
-	t := make(map[string]interface{})
-	data, err := io.ReadAll(file)
-	if err != nil {
-		return err
-	}
-	yaml.Unmarshal([]byte(data), &t)
-	t["token"] = config.Token
 	enc := yaml.NewEncoder(file)
 
 	err = enc.Encode(t)