From 3d650ee50298100f0974fb4ba4d2426cc41bfbeb Mon Sep 17 00:00:00 2001
From: Yasuhiro Matsumoto <mattn.jp@gmail.com>
Date: Mon, 30 Mar 2026 13:43:29 +0900
Subject: [PATCH] fix: use strings.Cut instead of strings.Split to avoid
 potential panic

strings.Split(url, "://")[1] panics if the URL has no "://" separator.
strings.Cut handles this safely by returning an empty string.
---
 event.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/event.go b/event.go
index fc4e037..38235d5 100644
--- a/event.go
+++ b/event.go
@@ -340,7 +340,8 @@ func publishFlow(ctx context.Context, c *cli.Command, kr nostr.Signer, evt nostr
 		if c.Bool("confirm") {
 			relaysStr := make([]string, len(relays))
 			for i, r := range relays {
-				relaysStr[i] = strings.ToLower(strings.Split(r.URL, "://")[1])
+				_, after, _ := strings.Cut(r.URL, "://")
+				relaysStr[i] = strings.ToLower(after)
 			}
 			time.Sleep(time.Millisecond * 10)
 			if !askConfirmation("publish to [ " + strings.Join(relaysStr, " ") + " ]? ") {