From 2ac01f41bbb232ca0b9d2194ba8a79f03ccb6ec1 Mon Sep 17 00:00:00 2001
From: Tugdual Saunier <tugdual.saunier@gmail.com>
Date: Thu, 20 Feb 2025 11:44:04 +0100
Subject: [PATCH] Fix Shell guess for completion when `SHELL` is empty

---
 completion_installer.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/completion_installer.go b/completion_installer.go
index f94de50..0795cb2 100644
--- a/completion_installer.go
+++ b/completion_installer.go
@@ -137,5 +137,9 @@ Add this to the end of your shell configuration file (e.g. <info>"{{ call .RcFil
 }
 
 func GuessShell() string {
-	return path.Base(os.Getenv("SHELL"))
+	if shell := os.Getenv("SHELL"); shell != "" {
+		return path.Base(shell)
+	}
+
+	return ""
 }