From 3609a68aaf61c4a3b8c59d4a869c2d55f5582f64 Mon Sep 17 00:00:00 2001
From: xtex <xtexchooser@duck.com>
Date: Wed, 7 Feb 2024 12:16:42 +0800
Subject: [PATCH] envkernel: only export alias when defined (MR 2249)

MR !2229 make pmbootstrap optional and break fish compat
---
 helpers/envkernel.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helpers/envkernel.sh b/helpers/envkernel.sh
index e71fb860..5f4a268e 100644
--- a/helpers/envkernel.sh
+++ b/helpers/envkernel.sh
@@ -439,7 +439,7 @@ main() {
 fish_compat() {
 	[ "$1" = "--fish" ] || return 0
 	for name in make kernelroot pmbootstrap pmbroot; do
-		echo "alias $(alias $name | sed 's/=/ /')"
+		alias "$name" >/dev/null 2>&1 && echo "alias $(alias "$name" | sed 's/=/ /')"
 	done
 }