From c1bcf21ad463baa6ceb78e4f18880cadfd434722 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 14 Feb 2025 16:49:26 +0100
Subject: [PATCH] webdav: fix ConditionalMatch.MatchETag when resource doesn't
 exist

Fixes "If-None-Match: *".
---
 webdav.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/webdav.go b/webdav.go
index eb5c742..2634636 100644
--- a/webdav.go
+++ b/webdav.go
@@ -55,6 +55,9 @@ func (val ConditionalMatch) ETag() (string, error) {
 }
 
 func (val ConditionalMatch) MatchETag(etag string) (bool, error) {
+	if etag == "" {
+		return false, nil
+	}
 	if val.IsWildcard() {
 		return true, nil
 	}