[PATCH] eend: Output QA notice when called without argument

PMS says about eend: "Takes one fixed argument, which is a numeric
return code, and an optional message in all subsequent arguments."

Bug: https://bugs.gentoo.org/703520
Signed-off-by: Ulrich Müller <[email protected]>
---
 bin/isolated-functions.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bin/isolated-functions.sh b/bin/isolated-functions.sh
index b495ae6c7..5b1f372d2 100644
--- a/bin/isolated-functions.sh
+++ b/bin/isolated-functions.sh
@@ -364,6 +364,7 @@ __eend() {
 }
 
 eend() {
+	[[ -n $1 ]] || eqawarn "QA Notice: eend called without return code"
 	local retval=${1:-0}
 	shift
 
-- 
2.33.0