From b74306f0964fcca044db8c2ec2c6fbc61535955f Mon Sep 17 00:00:00 2001
From: Michael Eischer <michael.eischer@fau.de>
Date: Sun, 10 May 2026 00:01:57 +0200
Subject: [PATCH] don't panic if saveConfig fails to open file

---
 repo/repo.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/repo/repo.go b/repo/repo.go
index 0fb09d2..52806aa 100644
--- a/repo/repo.go
+++ b/repo/repo.go
@@ -305,11 +305,15 @@ func (h *Handler) saveConfig(w http.ResponseWriter, r *http.Request) {
 	cfg := h.getSubPath("config")
 
 	f, err := os.OpenFile(cfg, os.O_CREATE|os.O_WRONLY|os.O_EXCL, h.opt.fileMode)
-	if err != nil && os.IsExist(err) {
+	if err != nil {
 		if h.opt.Debug {
 			log.Print(err)
 		}
-		httpDefaultError(w, http.StatusForbidden)
+		if os.IsExist(err) {
+			httpDefaultError(w, http.StatusForbidden)
+		} else {
+			h.internalServerError(w, err)
+		}
 		return
 	}